| Date | Title | Provider |
| 2025 |
This data set portrays the approximate location of Abandoned Mine Land Problem Areas containing public health, safety, and public welfare problems created by past coal mining. It is a subset of data contained in the Office of Surface Mining (OSM) Abandoned Mine Land Inventory. This layer identifies AML Points representing specific locations within an AML Inventory Site, examples include AML discharge.
This data set provides information needed to implement Title IV Abandoned Mine Reclamation, of the Surface Mining Control and Reclamation Act (SMCRA) of 1977. One of the major uses of this data set is for the reporting of annual Abandoned Mine Land Program accomplishments to Congress. In addition, the data is used in the National Atlas of the United States for geographic display and analysis at the national level, and for large regional areas.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
This data set portrays the approximate location of Abandoned Mine Land Problem Areas containing public health, safety, and public welfare problems created by past coal mining. It is a subset of data contained in the Office of Surface Mining (OSM) Abandoned Mine Land Inventory. This layer identifies AML Polygons representing specific areas to large to be represented by points within the entire, AML Inventory Site, examples include AML dangerous highwalls.
This data set provides information needed to implement Title IV Abandoned Mine Reclamation, of the Surface Mining Control and Reclamation Act (SMCRA) of 1977. One of the major uses of this data set is for the reporting of annual Abandoned Mine Land Program accomplishments to Congress. In addition, the data is used in the National Atlas of the United States for geographic display and analysis at the national level, and for large regional areas.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
The AML (Abandoned Mine Land) Inventory is a collection of areas where surface features of abandoned mines are present. Presently the data is shown using three layers. AML Inventory Sites is used to show the entire boundary of a problem area. AML Points and AML Polygons are used to show specific problems within a designated inventory site. The inventory Does Not Include complete and comprehensive coverage of abandoned underground mines, surface or underground mines that were permitted and closed after 1982, or active surface or underground mines. For further information concerning mining in your area, please contact the local DEP office.
This data set portrays the approximate location of Abandoned Mine Land Problem Areas containing public health, safety, and public welfare problems created by past coal mining. It is a subset of data contained in the Office of Surface Mining (OSM) Abandoned Mine Land Inventory. This layer represents the AML Inventory Sites, which are the boundary of an entire problem area. All related AML point/polygon features must fit within the boundary of the designated problem area.
This data set provides information needed to implement Title IV Abandoned Mine Reclamation, of the Surface Mining Control and Reclamation Act (SMCRA) of 1977. One of the major uses of this data set is for the reporting of annual Abandoned Mine Land Program accomplishments to Congress. In addition, the data is used in the National Atlas of the United States for geographic display and analysis at the national level, and for large regional areas.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Pennsylvania state law requires those who wish to conduct mining activities within the Commonwealth submit and get approval by the Pennsylvania Department of Environmental Protection (DEP) for permits related to those activities. These permits are written to cover various aspects of the mining operations, such as: reclamation, water quality protection, air quality protection, waste disposal and mine subsidence control. The DEP California District Office reviews permits related to Bituminous coal underground mining. Module 6.1 of the Application for Bituminous Underground Mine requires a Location Map be submitted with the permit. The Location Map should be a 7.5 Minute USGS map covering the area within one (1) mile of the underground permit area boundaries. This dataset contains the digitized underground permit area boundaries of the active underground bituminous mines in Pennsylvania based from the Location Maps submitted with the permit applications and permit renewal applications.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Represents the Primary Facility type Air Emission Plant (AEP) point features. Air Emissions Plant is a DEP primary facility type related to the Air Quality Program. The sub-facility types related to the Air Emissions Plant that are included are: Air Pollution Control Device, Combustion Unit, Fuel Material Location, General Administrative Location, Incinerator, Point of Air Emission, and Process.
Air Pollution Control Device:
Facility that removes one or more pollutants from an exhaust stream. Examples include a baghouse or wet scrubber.
Combustion Unit:
Facility that burns coal, oil, or natural gas. Combustion units are used to produce either electricity, steam, hot gases, or some combination of these. Examples include a utility boiler or gas turbine.
Fuel Material Location:
Facility for storage of fuels shared by multiple combustion units, incinerators, or processes. Examples include oil storage tanks and larger natural gas supply lines.
General Administrative Location:
An administrative location is created automatically for every new air emission plant primary facility. It is used for locational data to represent the entire primary facility, instead of assigning lat/longs to each sub-facility. The General Administrative Location sub-facility may be obsolete in the future, once eFACTS allows locations at the primary level.
Incinerator:
Facility that destroys solid waste products using a variety of fuels. Examples include municipal waste incinerators and hospital infectious waste incinerators.
Point of Air Emission:
Exact location or structure from which all other air emission plant sub-facilities exhaust their emissions. Examples may include a steel or masonry smokestack; however, a point of air emission may also represent fugitive emissions that escaped from other points of a facility.
Process:
Facility that produces or modifies a product, and creates an air emission from either the materials used or a fuel consumed. Examples include coating lines or cement kilns.
Continuous Emission Monitoring Point:
Devices attached to smokestacks that monitor specific pollutants, i.e. sulfur dioxide, nitrogen oxides, etc.
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| Pennsylvania Department of Environmental Protection |
| 1999 |
This coverage represents the point locations and data for 1,106 groundwater
quality monitoring points sampled under the PA DEP Fixed Station
Network (FSN) and Ambient Survey groundwater monitoring program.
Sample data were collected from August 1985 to December 1998. Monitoring
points were typically homeowner wells, springs, public water supplies, or industrial
wells. Locations were chosen to represent regional background conditions
within a groundwater basin. Samples were collected by prioritized
groundwater basins. Monitoring points represent some of the top 100
priority basins of the 478 groundwater basins. Monitoring points were
analyzed for 27 different analytes including pH, alkalinity, total dissolved
solids, ammonia nitrogen, nitrite nitrogen, nitrate nitrogen, phosphorus,
total organic carbon, total hardness, calcium, magnesium, sodium,
potassium, chloride, sulfate, silica, arsenic, barium, cadmium, chromium,
copper, iron, lead, manganese, zinc, mercury, and turbidity. Data for
alkalinity through silica are in mg/L, whereas values listed for arsenic
through mercury are in ug/L. Turbidity is in NTUs. PH is a laboratory pH value.
Analyte values listed with the coverage are means. Monitoring points have been
sampled up to 34 times. Trend analysis results are included for 474 monitoring
points by parameter. The Kendall Tau rank correlation test was used to test for trends
in ground water quality over time. This test is a nonparametric procedure that is
similar to the standard correlation coefficient to assess the presence of a relationship
between variables. The Kendall Tau value represents a probability that there is a
relationship between two variables. A significance level of .05 was used with the
calculated Kendall Tau correlation coefficients. Trend analysis was performed on
monitoring points using SAS statistical software.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A layer containing the permit boundaries of Anthracite Coal Surface Mines. Data was converted over from the physical "Mylar Review" system for surface mine permit location look-ups. The physical topographic maps and mylar overlays have been scanned, georeferenced, and vectorized to create the permit boundary polygon layers with an index number attribute. The corresponding index cards have been data entered in a spreadsheet. The polygon layers' attribute tables were joined with the spreadsheet. More recent surface mine permit boundaries and attributes were digitized directly as shapefiles. This layer represents a combination of various surface mine permit tracking systems. All future surface mine permit boundaries will be updated here, as the mylar system is phased out.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Beneficial Land Use is a DEP primary facility type related to the Water Pollution Control Program. The sub-facility type related to Beneficial Land Use is the Parcel. A parcel refers to the land application site that is proposed to received biosolids or residential septage. Land application for biosolids and septage means beneficial use, meaning it is applied to land as a soil amendment/fertilizer.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A layer containing the permit boundaries of Bituminous Coal Surface Mines. Data was converted over from the physical "Mylar Review" system for surface mine permit location look-ups. The physical topographic maps and mylar overlays have been scanned, georeferenced, and vectorized to create the permit boundary polygon layers with an index number attribute. The corresponding index cards have been data entered in a spreadsheet. The polygon layers' attribute tables were joined with the spreadsheet. More recent surface mine permit boundaries and attributes were digitized directly as shapefiles. This layer represents a combination of various surface mine permit tracking systems. All future surface mine permit boundaries will be updated here, as the mylar system is phased out.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A Captive Hazardous Waste Operation is a DEP primary facility type related to the Waste Management Hazardous Waste Program. The sub-facility types related to Captive Hazardous Waste Operations that are included in eMapPA are: Boiler/Industrial Furnace, Disposal Facility, Hazardous Generator, Incinerator, Recycling Facility, Storage Facility, and Treatment Facility. Captive Hazardous Waste Operation Sub-Facility Types
Boiler or Industrial Furnace:
Facility permitted by DEP to burn or process hazardous waste generated onsite, to recover thermal energy, or to accomplish recovery of materials in association with a manufacturing process.
Disposal Facility:
Facility permitted by DEP to dispose of hazardous waste generated onsite by incineration, or by intentionally placing the waste in or on land or water in specially designed and constructed containment units where the waste will remain after closure of the facility.
Hazardous Generator:
A site where hazardous waste is first produced. The hazardous waste may be accumulated onsite at this facility for a prescribed limited amount of time (usually between 90 and 270 days) without first obtaining a storage permit from the Department, as long as it is done in accordance with prescribed standards.
Incinerator:
Facility permitted by DEP to burn or thermally combust hazardous waste generated onsite in an enclosed device using controlled flame. Devices meeting the criteria for classification as a boiler, industrial furnace, carbon regeneration unit, or sludge dryer are not incinerators.
Recycling Facility:
Facility permitted by DEP to treat hazardous waste generated onsite, making it suitable for upcoming recovery of a usable product or material.
Storage Facility:
Facility permitted by DEP to hold hazardous waste generated onsite for a temporary period (not to exceed one year). At the end of that period the hazardous waste is treated, disposed of, or stored elsewhere. Facilities accumulating hazardous wastes generated onsite in accordance with prescribed generator accumulation standards for a prescribed limited amount of time (usually between 90 and 270 days) are NOT storage facilities.
Treatment Facility:
Facility permitted by DEP to change the physical, chemical or biological character or composition of hazardous waste that is generated onsite. The purpose is to neutralize the waste or to render the waste non-hazardous, safer for transport, suitable for recovery, suitable for storage, or reduced in volume.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Represents the Primary Facility type Coal Mining Operation (CMO) point features. A Coal Mining Operation is a DEP primary facility type related to the Mining Program. The sub-facility types related to Coal Mining Operations that are included are: Deep Mine Underground mining of coal. Includes, but is not limited to, portal, tunnel, slope, and drift mines.
Discharge Point Discharge of water from an area as a result of coal mining activities.
Mineral Preparation Plant Facility at which coal is cleaned and processed.
Post Mining Treatment Post-mining discharges are groundwater seeps and flows that occur after a mine has been completed and reclaimed. Many of these discharges have become contaminated by contacting acid producing rock in the mine environment. Untreated discharges that enter clean streams cause acidification, which immediately kills much of the aquatic life. Coal mines that are predicted to have discharges are not permitted; however, coal mining operators are required to treat post-mining discharges in cases where the predictions do not come true. Through advances in predictive science, less than 2 percent of the permits issued today result in a post-mining discharge. New technologies, including alkaline addition and special handling of acid producing material, are being studied in order to help address the remaining 2 percent.
Refuse Disposal Facility An area used for disposal or storage of waste coal, rock, shale, slate, clay, and other coal mining related materials.
Refuse Reprocessing Facility at which coal is extracted from waste coal, rock, shale, slate, clay, and other coal mining related material, i.e., coal refuse.
Surface Mine Surface mining of coal by removing material which lies above the coal seam. Includes, but is not limited to, strip, auger, quarry, dredging, and leaching mines. A Coal Mining Operation is a DEP primary facility type related to the Mining Program. The sub-facility types related to Coal Mining Operations that are included in eMapPA are: Coal-Aboveground Storage Tank - aboveground tanks greater than 250 gallons used to store a regulated substance, motor oil or fuel on a coalmine permit. These tanks are regulated under the coal mining regulations since they are specifically exempted from the storage tank regulations. Discharge Point - Discharge of water from an area as a result of coal mining activities. Mineral Preparation Plant - Facility at which coal is cleaned and processed. Mining Stormwater GP - General permit for Stormwater discharges associated with coal mining activities in which the main pollutant is sediment. Discharge is not into a High Quality or Exceptional Value designated stream. NPDES Discharge Point - An effluent discharge at a coal mine operation permitted under the National Pollutant Discharge Elimination System. Post Mining Treatment - Post-mining discharges are groundwater seeps and flows that occur after a mine has been completed and reclaimed. Many of these discharges have become contaminated by contacting acid producing rock in the mine environment. Untreated discharges that enter clean streams cause acidification, which immediately kills much of the aquatic life. Coal mines that are predicted to have discharges are not permitted; however, coal mining operators are required to treat post-mining discharges in cases where the predictions do not come true. Through advances in predictive science, less than 2 percent of the permits issued today result in a post-mining discharge. New technologies, including alkaline addition and special handling of acid producing material, are being studied in order to help address the remaining 2 percent. Refuse Disposal Facility - An area used for disposal or storage of waste coal, rock, shale, slate, clay, and other coal mining related materials. Refuse Reprocessing - Facility at which coal is extracted from waste coal, rock, shale, slate, clay, and other coal mining related material, i.e., coal refuse. Surface Mine - Surface mining of coal by removing material which lies above the coal seam. Includes, but is not limited to, strip, auger, quarry, dredging and leaching mines. Underground Mine - Deep mining of coal. Includes, but is not limited to, portal, tunnel, slope and drift mines.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Coal Pillar Locations are pillars of coal that must remain in place to provide support for a coal mine.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Coal Pillar Locations are pillars of coal that must remain in place to provide support for an oil and gas well on the surface.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A Commercial Hazardous Waste Operation is a DEP primary facility type related to the Waste Management Hazardous Waste Program. The sub-facility types related to Commercial Hazardous Waste Operations that are included are: Disposal Facility, Hazardous Generator, Recycling Facility, Storage Facility, and Treatment Facility._____Disposal Facility:
Facility permitted by DEP to accept hazardous waste generated off-site, and dispose of the waste by incineration, or by intentionally placing the waste in or on land or water in specially designed and constructed containment units where it will remain after closure of the facility.
Hazardous Generator:
A site where hazardous waste is first produced. The hazardous waste may be accumulated on-site at this facility for a prescribed limited amount of time (usually between 90 and 270 days) without first obtaining a storage permit from the Department, as long as it is done in accordance with prescribed standards.
Recycling Facility:
Facility permitted by DEP to accept hazardous waste generated off-site, and treat the waste to make it suitable for upcoming recovery of a usable product or material.
Storage Facility:
Facility permitted by DEP to accept hazardous waste generated off-site, and hold the waste for a temporary period (not to exceed one year). At the end of that period the hazardous waste is treated or disposed of at the same facility, or treated, disposed, or stored elsewhere. Additional permitting is necessary if the waste is treated or disposed at the storage facility itself.
Treatment Facility:
Facility permitted by DEP to change the physical, chemical or biological character or composition of hazardous waste that is generated off-site. The purpose is to neutralize the waste, or to render the waste non-hazardous, safer for transport, suitable for recovery, suitable for storage, or reduced in volume.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
The conservation well layer identifies the permitted surface location of oil and gas conservation wells that have not been plugged. These include active, regulatory inactive, orphaned, and abandoned wells. A conservation well is any well which penetrates the Onondaga horizon, or in those areas in which the Onondaga horizon is nearer to the surface than thirty-eight hundred feet, any well which exceeds a depth of thirty-eight hundred feet beneath the surface.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
The plugged conservation well layer identifies the permitted surface location of oil and gas conservation wells that have been plugged. A conservation well is any well which penetrates the Onondaga horizon, or in those areas in which the Onondaga horizon is nearer to the surface than thirty-eight hundred feet, any well which exceeds a depth of thirty-eight hundred feet beneath the surface.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
The purpose of this dataset is to provide DEP staff and other environmental professionals with a spatially referenced dataset of the permit area boundaries of active permitted coal refuse disposal areas (CRDAs) in Pennsylvania.
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| Pennsylvania Department of Environmental Protection |
| 2024 |
DEP office locations
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| Pennsylvania Department of Environmental Protection |
| 2024 |
Spatially displays the six regions of Pennsylvania Department of Environmental Protection
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Coal mining has occurred in Pennsylvania for over a century. This dataset tries to identify the areas of the various coal seams in Pennsylvania that have been extracted by various underground mining techniques. This information can be used for many environmental related issues, including mine land reclamation and determination of needs for Mine Subsidence Insurance. The information in this dataset was gathered from digitizing the area of extracted coal identified on historic and modern underground mine maps. The maps to these coal mines are stored at many various public and private locations (if they still exist at all) throughout the commonwealth, they have been scanned to create a digital archive, and georeferenced to their approximate location for use in a geographic information system (GIS). The dataset is continuously updated as new maps are processed and is not considered “completed”, i.e. just because an area in Pennsylvania is not identified in this dataset as mined, does not mean the area was not mined.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
An Encroachment Location is a DEP primary facility type related to the Water Resources Management Water Obstructions Program. There are many sub-facility types relating to Encroachment Locations, ranging from Boat Launch Ramps to Dredging to Wetland Impact, that are included in eMapPA. Furthermore, these sub-facilities may pertain to more than one primary facility kind as listed: Abandoned Mine Reclamation, Mineral Resources, Oil and Gas, Soils and Waterways, Waterways Engineering, and Water Quality.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
An Encroachment Location for Oil & Gas is a DEP primary facility type related to the Oil and Gas Program. The sub-facilities that fall under Oil and Gas Encroachment also exist under Encroachment Locations. The difference is in the DEP program that regulates the facilities. Sub Facility types include:___Bridge--- A bridge across a stream required to provide access primarily to an oil and gas location Culvert--- A culvert installed to provide access primarily to an oil and gas location. Stream Bank Protection definition - Oil and Gas Stream Bank Protection facilities are physical barriers or practices put in place to minimize stream bank disturbance from Oil and Gas related activities. Intake structure - means the total physical structure and any associated constructed waterways used to withdraw water from waters of the Commonwealth. The intake structure extends from the point at which water is withdrawn from the surface water source up to, and including, the intake pumps.
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| Pennsylvania Department of Environmental Protection |
| 2010 |
This layer identifies 2010 Pennsylvania Census Tracts which meet the PADEP definition for Environmental Justice Areas by having a poverty rate of 20% or greater or a non-white population of 30% or greated. Percentages were rounded up based on a decimal value of .5 or greater for purposes of creating this layer. Census tracts are small, relatively permanent statistical subdivisions of a county delineated by local participants as part of the U.S. Census Bureau's Participant Statistical Areas Program. The U.S. Census Bureau delineated census tracts in situations where no local participant existed or where local or tribal governments declined to participate. The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of decennial census data.
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| Pennsylvania Department of Environmental Protection |
| 2015 |
This layer identifies 2015 Pennsylvania Census Tracts which meet the PADEP definition for Environmental Justice Areas by having a poverty rate of 20% or greater or a non-white population of 30% or greated. Percentages were rounded up based on a decimal value of .5 or greater for purposes of creating this layer. Census tracts are small, relatively permanent statistical subdivisions of a county delineated by local participants as part of the U.S. Census Bureau's Participant Statistical Areas Program. The U.S. Census Bureau delineated census tracts in situations where no local participant existed or where local or tribal governments declined to participate. The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of decennial census data.
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| Pennsylvania Department of Environmental Protection |
| 2023 |
Census tracts are small, relatively permanent statistical subdivisions of a county delineated by local participants as part of the U.S. Census Bureau's Participant Statistical Areas Program. The U.S. Census Bureau delineated census tracts in situations where no local participant existed or where local or tribal governments declined to participate. The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of decennial census data. This is the first decennial census for which the entire United States is covered by census tracts. For the 1990 census, some counties had census tracts and others had block numbering areas (BNAs). In preparation for Census 2000, all BNAs were replaced by census tracts, which may or may not cover the same areas. Census tracts generally have between 1,500 and 8,000 people, with an optimum size of 4,000 people. (Counties with fewer people have a single census tract.) When first delineated, census tracts are designed to be homogeneous with respect to population characteristics, economic status, and living conditions. The spatial size of census tracts varies widely depending on the density of settlement. Census tract boundaries are delineated with the intention of being maintained over many decades so that statistical comparisons can be made from decennial census to decennial census. However, physical changes in street patterns caused by highway construction, new developments, and so forth, may require occasional boundary revisions. In addition, census tracts occasionally are split due to population growth or combined as a result of substantial population decline. Census tracts are identified by a four-digit basic number and may have a two-digit numeric suffix; for example, 6059.02. The decimal point separating the four-digit basic tract number from the two-digit suffix is shown in the printed reports and on census maps. In computer-readable files, the decimal point is implied. Many census tracts do not have a suffix; in such cases, the suffix field is either left blank or is zero-filled. Leading zeros in a census tract number (for example, 002502) are shown only in computer-readable files. Census tract suffixes may range from .01 to .98. For the 1990 census, the .99 suffix was reserved for census tracts/block numbering areas (BNAs) that contained only crews-of-vessels population; for Census 2000, the crews-of-vessels population is part of the related census tract. Census tract numbers range from 1 to 9999 and are unique within a county or statistically equivalent entity. The U.S. Census Bureau reserves the basic census tract numbers 9400 to 9499 for census tracts delineated within or to encompass American Indian reservations and off-reservation trust lands that exist in multiple states or counties. The number 0000 in computer-readable files identifies a census tract delineated to provide complete coverage of water area in territorial seas and the Great Lakes.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
An Erosion and Sediment Control Facility is a DEP primary facility type related to the Water Pollution Control program. The following is a list of sub-facility types related to Erosion and Sediment Control Facilities that are included in eMapPA: Agricultural Activities, Commercial or Industrial Development, Government Facilities, Oil and Gas Development, Private Road or Residence, Public Road Construction, Recreational Activities, Remediation/Restoration, Residential Subdivision, Sewerage or Water Systems, Silviculture, or Utility Facility and/or Transmission Line. Any of the above development activities that may discharge stormwater during construction fall under the erosion and sediment control permit category.
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| Pennsylvania Department of Environmental Protection |
| 2013 |
These well locations were derived from historical mine maps known as the WPA, Ksheet, and Hsheet collections. These locations are provided for informational purposes only and should not be sole means of decision making and are in no way a substitute for actual on the ground observation. In 1859, the United States’ first commercial oil well was drilled in Venango County, Pennsylvania. In the 150 years subsequent to this, an unknown number of oil and gas wells have been drilled in the state. A current estimate by the Independent Petroleum Association of America places that number at approximately 325,000. Of those 325,000 wells, over 200,000 are still unaccounted for. As these wells are found and verified, they are cataloged in the Department of Environmental Protection’s (DEP) Abandoned and Orphan Well database to facilitate plugging. There are currently over 8,200 wells listed in this database (2013). With so many unknown oil and gas wells scattered across Pennsylvania and the environmental threats that they pose, identification remains a vital component of DEP’s Oil and Gas Program. Currently, the DEP, Office of Active and Abandoned Mine Operations is involved in many projects dealing with historic and active mine map restoration and geo-referencing. These maps, which vary in age, not only contain information on historic mine locations, but also oil and gas locations. Through collaboration between the Bureau of Mining Programs and the Bureau of Oil and Gas Planning and Program Management, potential oil and gas well locations were assembled using three mine map collections. These collections include the WPA mine map collection, Ksheets collection, and the Hsheets collection. From these sources, over 30,000 potential historic oil and gas well locations were derived. The Bureau of Oil and Gas Planning and Program Management is constantly looking for historic sources to help locate oil and gas wells in the state that remain unaccounted for. This particular dataset was created using georeferenced mine maps of various/unknown accuracy and various/unknown coordinate systems to various base maps, including but not limited to USGS topographic maps and PAMAP aerial photography. The locations were then digitized using the georeferenced mine maps. These locations are provided for informational purposes only and should not be sole means of decision making and are in no way a substitute for actual field observations.
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| Pennsylvania Department of Environmental Protection |
| 2004 |
This is the Department's legacy master stream coverage. The last updates to this layer occurred in late 2004. This layer has been replaced by the High Resolution National Hydrography Dataset (NHD) and as such should only be used to aid in identifying legacy stream codes.
This layer was digitized at a scale of 1/24,000. All streams are connected and have flow direction. Each stream is identified by a unique 5-digit stream code found in the WRDS (Water Resource Data System) field. The streams are further divided into segments. The first stream segment flows from the headwaters to the first tributary. Subsequent segments are tributary to tributary. The final segment flows from the last tributary to the mouth which for purposes of this data layer is defined as the point at which the stream crosses the Pennsylvania boundary. The unique segment identifier is constructed from three concatenated fields. The stream code, downstream river mile, and finally the upstream river mile of the segment boundaries (12345_8.000_ 12.000). The river miles are measured from the mouth, at the Pennsylvania boundary, upstream to the headwaters.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Locations at which surface water sampling has been done in order to determine if surface waters are attaining or non-attaining designated uses. Station records are created by the DEP Biologists when they do surface water sampling.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
An Industrial Mineral Mining Operation is a DEP primary facility type related to the Industrial Mineral Mining Program. The sub-facility types included in eMapPA are: Deep Mine - Underground mining of industrial minerals, i.e., noncoal mining. Includes, but is not limited to, industrial minerals extracted from beneath the surface by means of shafts, tunnels, adits or other mining openings. Discharge Point - Discharge of water from an area as a result of industrial mining activities, i.e. noncoal mining. Mineral Preparation Plant - Facility at which industrial minerals (i.e. noncoal minerals) are cleaned and processed. Mining Stormwater GP - General permit for Stormwater discharges associated with industrial mineral mining activities in which the main pollutant is sediment. Discharge is not into a High Quality or Exceptional Value designated stream. NPDES Discharge Point - National Pollutant Discharge Elimination System effluent discharge point for Industrial Mineral (Noncoal) Mine Sites. Post Mining Treatment - Inactive Industrial Mine with a permitted treatment facility. Surface Mine - Surface mining of industrial minerals (i.e. noncoal minerals) by removing material which lies about the industrial minerals. Includes, but is not limited to, strip, augur, quarry, dredging and leaching mines.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A layer containing the permit boundaries of Industrial Mineral Surface Mines. Data was converted over from the physical "Mylar Review" system for surface mine permit location look-ups. The physical topographic maps and mylar overlays have been scanned, georeferenced, and vectorized to create the permit boundary polygon layers with an index number attribute. The corresponding index cards have been data entered in a spreadsheet. The polygon layers' attribute tables were joined with the spreadsheet. More recent surface mine permit boundaries and attributes were digitized directly as shapefiles. This layer represents a combination of various surface mine permit tracking systems. All future surface mine permit boundaries will be updated here, as the mylar system is phased out.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
This layer shows only attaining segments of the Integrated List. The Streams Integrated List represents stream assessments in an integrated format for the Clean Water Act Section 305(b) reporting and Section 303(d) listing. Streams are bodies of flowing surface water that collectively form a network that drains a catchment or basin. PA DEP protects 4 stream water uses: aquatic life, fish consumption, potable water supply, and recreation. The 305(b) layers represents stream segments that have been evaluated for attainment of those uses. If a stream segment is not attaining any one of its 4 uses, it is considered impaired.
· Aquatic Life use attainment - The integrity reflected in any component of the biological community. (i.e. fish or fish food organisms)
· Fish Consumption use attainment - The risk posed to people by the consumption of aquatic organisms (ex. fish, shellfish, frogs, turtles, crayfish, etc.)
· Recreational use attainment - The risk associated with human recreation activities in or on a water body. (i.e. exposure to bacteria and other disease causing organisms through water contact recreation like swimming or water skiing)
· Potable Water Supply use attainment - The risk posed to people by the ingestion of drinking water
Segments that have appeared on an approved Category 5 Integrated Listing are the entries labeled as approved. Integrated Lists are submitted for approval every other year. Segments entered subsequent to the latest approved Category 5 listing are labeled tentative. After appearing on an approved listing, the tentative entries move to approved. The Stream Integrated List is provided as two separate layers determined if the stream is attaining or not attaining its designated uses.
DEP Streams Integrated List layer is maintained by the PADEP Office of Water Management, Bureau of Water Supply & Wastewater Management, Water Quality Assessment and Standards Division. The layer is based on the High Resolution National Hydrography Dataset (NHD). Additional update information is provided by Bureau of Watershed Management, Water Use Planning Division.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
This layer shows only attaining lakes of the Integrated List. The Lakes Integrated List represents lake assessments in an integrated format for the Clean Water Act Section 305(b) reporting and Section 303(d) listing. PA DEP protects 4 lake water uses: aquatic life, fish consumption, potable water supply, and recreation. The 305(b) layers represent lakes that have been evaluated for attainment of those uses. If a lake is not attaining any one of its 4 uses, it is considered impaired. Aquatic Life use attainment - The integrity reflected in any component of the biological community (i.e. fish or fish food organisms). Fish Consumption use attainment - The risk posed to people by the consumption of aquatic organisms (ex. fish, shellfish, frogs, turtles, crayfish, etc.). Recreational use attainment - The risk associated with human recreation activities in or on a water body (i.e. exposure to bacteria and other disease causing organisms through water contact recreation like swimming or water skiing). Potable Water Supply use attainment - The risk posed to people by the ingestion of drinking water. Lakes that have appeared on an approved Category 5 Integrated Listing are the entries labeled as approved. Integrated Lists are submitted for approval every other year. Lakes entered subsequent to the latest approved Category 5 listing are labeled tentative. After appearing on an approved listing, the tentative entries move to approved. The Lake Integrated List is provided as two separate layers determined if the lake is attaining or not attaining its designated uses. DEP Lakes Integrated List layers are maintained by the PADEP Office of Water Management, Bureau of Water Supply & Wastewater Management, Water Quality Assessment and Standards Division. The layer is based on the High Resolution National Hydrography Dataset (NHD). Additional update information is provided by Bureau of Watershed Management, Water Use Planning Division.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
This layer shows only non-attaining segments of the Integrated List. The Streams Integrated List represents stream assessments in an integrated format for the Clean Water Act Section 305(b) reporting and Section 303(d) listing. Streams are bodies of flowing surface water that collectively form a network that drains a catchment or basin. PA DEP protects 4 stream water uses: aquatic life, fish consumption, potable water supply, and recreation. The 305(b) layers represents stream segments that have been evaluated for attainment of those uses. If a stream segment is not attaining any one of its 4 uses, it is considered impaired.
· Aquatic Life use attainment - The integrity reflected in any component of the biological community. (i.e. fish or fish food organisms)
· Fish Consumption use attainment - The risk posed to people by the consumption of aquatic organisms (ex. fish, shellfish, frogs, turtles, crayfish, etc.)
· Recreational use attainment - The risk associated with human recreation activities in or on a water body. (i.e. exposure to bacteria and other disease causing organisms through water contact recreation like swimming or water skiing)
· Potable Water Supply use attainment - The risk posed to people by the ingestion of drinking water
Segments that have appeared on an approved Category 5 Integrated Listing are the entries labeled as approved. Integrated Lists are submitted for approval every other year. Segments entered subsequent to the latest approved Category 5 listing are labeled tentative. After appearing on an approved listing, the tentative entries move to approved. The Stream Integrated List is provided as two separate layers determined if the stream is attaining or not attaining its designated uses.
DEP Streams Integrated List layer is maintained by the PADEP Office of Water Management, Bureau of Water Supply & Wastewater Management, Water Quality Assessment and Standards Division. The layer is based on the High Resolution National Hydrography Dataset (NHD). Additional update information is provided by Bureau of Watershed Management, Water Use Planning Division.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
This layer shows only non attaining lakes of the Integrated List. The Lakes Integrated List represents lake assessments in an integrated format for the Clean Water Act Section 305(b) reporting and Section 303(d) listing. PA DEP protects 4 lake water uses: aquatic life, fish consumption, potable water supply, and recreation. The 305(b) layers represent lakes that have been evaluated for attainment of those uses. If a lake is not attaining any one of its 4 uses, it is considered impaired. Aquatic Life use attainment - The integrity reflected in any component of the biological community (i.e. fish or fish food organisms). Fish Consumption use attainment - The risk posed to people by the consumption of aquatic organisms (ex. fish, shellfish, frogs, turtles, crayfish, etc.). Recreational use attainment - The risk associated with human recreation activities in or on a water body (i.e. exposure to bacteria and other disease causing organisms through water contact recreation like swimming or water skiing). Potable Water Supply use attainment - The risk posed to people by the ingestion of drinking water. Lakes that have appeared on an approved Category 5 Integrated Listing are the entries labeled as approved. Integrated Lists are submitted for approval every other year. Lakes entered subsequent to the latest approved Category 5 listing are labeled tentative. After appearing on an approved listing, the tentative entries move to approved. The Lake Integrated List is provided as two separate layers determined if the lake is attaining or not attaining its designated uses. DEP Lakes Integrated List layers are maintained by the PADEP Office of Water Management, Bureau of Water Supply & Wastewater Management, Water Quality Assessment and Standards Division. The layer is based on the High Resolution National Hydrography Dataset (NHD). Additional update information is provided by Bureau of Watershed Management, Water Use Planning Division.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Land Recycling Cleanup Locations (LRCL) are divided into one or more sub-facilities categorized as media: Air, Contained Release or Abandoned Container, Groundwater, Sediment, Soil, Surface Water, and Waste. Media is the environmental resource that is associated with the cleanup effort. The following primary facility kinds describe the Acts from which cleanup locations are derived:
Act2 Land Recycling and Environmental Remediation Standards
The first declaration of Section 102 of the policy provides a brief description of the purpose of Act2:
The elimination of public health and environmental hazards on existing commercial and industrial land across this Commonwealth is vital to their use and reuse as sources of employment, housing, recreation, and open-space areas. The reuse of industrial land is an important component of a sound land use policy that will help prevent the needless development of prime farmland, open-space areas and natural areas and reduce public costs for installing new water, sewer, and highway infrastructure.
CERCLA Comprehensive Environmental Response, Compensation, and Liability Act, also known as the Superfund
This act was passed by Congress as a federal law in December of 1980, creating a tax on chemical and petroleum industries to:
Identify and respond to sites from which releases of hazardous substances into the environment have occurred or could potentially occur
Ensure they are cleaned up by responsible parties or through government funding
Evaluate damages to natural resources
HSCA Hazardous Sites Cleanup Act
[This Act] provides the Department of Environmental Protection (DEP) with the funding and the authority to conduct cleanup actions at sites where hazardous substances have been released. HSCA also provides DEP with enforcement authorities to force the persons who are responsible for releases of hazardous substances to conduct cleanup actions or to repay public funds spent on a DEP funded cleanup action. HSCA funds are also used to pay the state share of costs of cleanup actions at Pennsylvania sites in the Federal Superfund program. Under the provisions of HSCA, most HSCA sites involve bankrupt facility owners, abandoned facilities, and inappropriate disposal of hazardous substances. As a general rule, HSCA sites do not include active facilities with financially viable owners.
Other
The Other primary facility kind includes a mixture of various different cleanup sites, no further action sites, and potential sites. This is optional data that the regional offices are not required to maintain.
STSP Storage Tank Spill and Prevention Act
Releases and/or ruptures from improperly installed or faulty storage tanks contaminate the Commonwealth's land and water resources. This act was passed to prevent such contamination through "improved safeguards on the installation and construction of storage tanks."
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Coal mining has occurred in Pennsylvania for over a century. A method of coal mining known as Longwall Mining has become more prevalent in recent decades.
Longwall mining involves full extraction of the coal seam in the longwall panel. The longwall mining machinery cuts or shears the coal off the face of a long wall panel of coal in a single pass. The machinery will then advance forward and perform another pass along the coal face. The broken off coal is hauled to the surface using conveyor belts. As the machinery advances forward into the coal panel, the mine roof is allowed to collapse behind it. This dataset identifies the footprint of these longwall panels relative to the surface.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Mine Drainage Treatment/Land Reclamation Locations are clean-up projects that are working to eliminate some form of abandoned mine. The following sub-facility types are included: Abandoned Coal Refuse Pile Reclamation, Abandoned Deep Mine Reclamation, Abandoned Mine Drainage Treatment, Abandoned Oil & Gas Well Reclamation, Abandoned Surface Mine Reclamation, Internal Monitoring Point.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A Municipal Waste Operation is a DEP primary facility type related to the Waste Management Municipal Waste Program. The sub-facility types related to Municipal Waste Operations that are included are: Composting:
Includes facilities that use land for processing municipal waste by composting. Composting is a process that biologically decomposes organic waste under controlled anaerobic or aerobic conditions to yield a humus-like product.
Land Application:
Includes facilities that uses agricultural utilization or land reclamation of waste. Sewage sludge is land-applied for its nutrient value or as a soil conditioner.
Landfill - Abandoned:
The Abandoned Landfill Inventory Project collects geospatial and descriptive data for closed and abandoned landfills throughout the state of Pennsylvania. Locations for sites were determined from historic records such as microfiche, index card, topographic map, and staff personal files, and then compiled into site lists. Each of the six DEP regions is staffed with summer interns who physically locate the sites and collect the data for the project.
The purpose of the Abandoned Landfill Inventory Project is to determine the location of abandoned and closed landfills in order to catalog potential environmental hazards. The data is intended for internal government and public consumption, in order to keep property sales, clean-up efforts, and land development well informed.
For metadata on the ALI Project, see Abandoned Landfill Metadata.
Landfill:
A landfill is a facility that uses land for the disposal of municipal waste.
Processing Facility:
A processing facility is a transfer station, composting facility, resource recovery facility, or a facility that reduces the volume or bulk of municipal waste for offsite reuse.
Resource Recovery:
A resource recovery is a facility that provides for the extraction and utilization of materials or energy from municipal waste. The facility can be a mechanical extraction facility or a combustion facility.
Transfer Station:
A transfer station is a facility that receives and processes or temporarily stores municipal waste at a location other than the generation site. This sub-facility facilitates the transportation or transfer of municipal waste to a processing or disposal facility.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Points digitized from the historic Mylar tracking system, attributed with fields from BMP spreadsheet of Mylar index cards.A layer containing points of portal entries and coal seam elevations of coal mines. Data was converted over from the physical "Mylar Review" system for surface mine permit location look-ups. The physical topographic maps and mylar overlays have been scanned, georeferenced, and vectorized to create the point layers with an index number attribute. The corresponding index cards have been data entered in a spreadsheet. The point layers' attribute tables were joined with the spreadsheet. More recent coal feature points and attributes were digitized directly as shapefiles. This layer represents a combination of various coal mine tracking systems.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
An Oil and Gas Location is a DEP primary facility type related to the Oil & Gas Program. The sub-facility types related to Oil and Gas that are included in this layer are:_____ Land Application -- An area where drilling cuttings or waste are disposed by land application
Well-- A well associated with oil and/or gas production
Pit -- An approved pit that is used for storage of oil and gas well fluids . Some sub facility types are not included in this layer due to security policies.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
An Oil and Gas Water Pollution Control Facility is a DEP primary facility type related to the Oil & Gas Program. The following are the sub-facility types related to Water Pollution Control that are included in eMapPA: Discharge point - The outfall from a wastewater treatment facility for oil and gas fluids. Internal Monitoring Point - A monitoring point within the wastewater treatment system where samples are collected. Treatment Plant - A facility for treating oil and gas wastewater to achieve permit effluent limits.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
The following data set contains all the Oil & Gas Wells in Pennsylvania that the Dept of Enviromental Protection has locational information on. The wells are broken into two formation types of conventional and unconventional wells.
A conventional well is a bore hole drilled or being drilled for the purpose of or to be used for the production of oil or natureal gas from only conventional formation(s). A conventional formation is any formation that does not meet the statutory definition of an unconventional formation.
An unconventional gas well is a bore hole drilled or being drilled for the purpose of or to be used for the production of natural gas from an unconventional formation. Unconventional formation is a geological shale formation existing below the base of the Elk Sandstone or its geologic equivalent stratigraphic interval where natural gas generally cannot be produced at economic flow rates or in economic volumes except by vertical or horizontal well bores stimulated by hydraulic fracture treatments or by using multilateral well bores or other techniques to expose more of the formation to the well bore.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A layer containing the permit boundaries of historic underground coal mine permits in Pennsylvania. Data was converted over from the physical "Mylar Review" system for mine permit location look-ups. The physical topographic maps and mylar overlays have been scanned, georeferenced, and vectorized to create the permit boundary polygon layers with an index number attribute. The corresponding index cards have been data entered in a spreadsheet. The polygon layers' attribute tables were joined with the spreadsheet. There are no planned updates for this layer, see the Department's Active Underground Permit Boundaries layer for newer mine permits. This layer is for informational purposes only and is known to not be a complete listing of all historic permits.
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| Pennsylvania Department of Environmental Protection |
| 2024 |
The Active Underground Coal Mine Map Mosaic map service is an imagery composite of georeferenced underground coal mine maps of mining operations currently or recently in active status in Pennsylvania.
When viewing detailed mine workings depicted on the maps in areas where multiple mines exist adjacent to each other, parts of one map may overlap, obstructing the view of adjacent maps. Through the mosaic process, the irrelevant parts of a map are cropped, so that the maps edge-match without overlap, creating a near seamless image of underground mine workings.
Pennsylvania state law requires those who wish to conduct mining activities within the Commonwealth submit and get approval by the Pennsylvania Department of Environmental Protection (DEP) for permits related to those activities. Every six months, operators must submit an Exhibit 22.6 Six-Month Subsidence Map that shows which areas inside their approved permit boundary have been mined in the previous six-month period and where the operator plans to mine within the permit boundary in the following six-month period. “Six-month” map submittal schedules from the various mine operators are spread out through the year. Review and approval of these “six-month” maps by DEP can take varying amounts of time depending on the complexity of each individual permit. “Six-month” maps are updated and added in the mosaic only after they are approved by DEP. Therefore, the timeframe of the depicted mine workings on the mosaiced maps may vary across the individual mine permits.
There is an inherit loss of accuracy in the georeferencing process and a georeferenced map may not align correctly with base maps and/or established coordinate systems. Therefore, these georeferenced maps should ONLY be used for reference information only and NOT be used for engineering and/or human safety related issues.
Uncropped, individual georeferenced maps can be viewed on the Pennsylvania Mine Map Atlas at www.paminemaps.psu.edu . Detailed metadata on the individual maps can be found in the Pennsylvania Historic Underground Mine Map Inventory System (PHUMMIS) at www.PHUMMIS.pa.gov .
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| Pennsylvania Department of Environmental Protection |
| 2024 |
The Pennsylvania Bituminous Coal Region Mine Map Mosaic map service is an imagery composite of georeferenced historic underground coal mine maps. THIS MAP SERVICE IS CURRENTLY UNFINISHED. THE SPATIAL ACCURACY AND ALLIGNMENT OF MAP IMAGES IS CURRENTLY BEING REVIEWED. USERS SHOULD CONSIDER THIS A DRAFT VERSION AND NOT RELY ON ANY INFORMATION CURRENTLY BEING PRESENTED IN THE SERVICE.
When viewing detailed mine workings depicted on the maps in areas where multiple mines exist adjacent to each other, parts of one map may overlap, obstructing the view of adjacent maps. Through the mosaic process, the irrelevant parts of a map are cropped, so that the maps edge-match without overlap, creating a near seamless image of underground mine workings.
Coal mining has occurred in Pennsylvania for over two centuries. The maps, if they still exist at all, of these coal mines are stored at various public and private locations throughout the Commonwealth. The Pennsylvania Department of Environmental Protection (DEP) has tried to preserve the historic information contained on these maps by scanning the maps into digital images. These maps are then georeferenced to their approximate spatial location to meet a variety of end-user needs, including mine land reclamation, gas well development, mine safety planning, and determination of needs for Mine Subsidence Insurance.
There is an inherit loss of accuracy in the georeferencing process and a georeferenced map may not align correctly with base maps and/or established coordinate systems. Therefore, these georeferenced maps should ONLY be used for reference information only and NOT be used for engineering and/or human safety related issues.
Uncropped, individual georeferenced maps can be viewed on the Pennsylvania Mine Map Atlas at www.paminemaps.psu.edu . Detailed metadata on the individual maps can be found in the Pennsylvania Historic Underground Mine Map Inventory System (PHUMMIS) at www.PHUMMIS.pa.gov .
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| Pennsylvania Department of Environmental Protection |
| 2004 |
The Coastal Zone Boundary delineates Pennsylvania's two coastal zones: the Delaware Estuary Coastal Zone located in southeastern Pennsylvania, and the Lake Erie Coastal Zone located in the northwestern part of the state. The federal Coastal Zone Management Act (Act) defines the coastal zone as coastal waters and the adjacent shorelands, strongly influenced by each other. The zone extends inland from the shoreline only to extend necessary to control shorelands, the uses of which have a direct and significant impact on the coastal waters. The boundary is used as a starting point by persons or agencies to determine if their proposed activities will affect the coastal zones, and are subject to review by the Pennsylvania Coastal Zone Management Program. Further, local municipalities, authorities, state agencies and certain non-profit organizations within these boundaries are eligible for Coastal Zone grants to support the goals and objectives of the Act at the local and state level.
Federal actions (eg. federal development activities, federal permits and licenses, federal assistance, and Outer Continental Shelf activities) occurring within the coastal boundary, or outside the boundary but impacting upon it, are subject to the federal consistency review requirements of the Act. In addition, applications for state Department of Environmental Protection permits for activities located in the coastal zones are subject to review and approval by Pennsylvania's CZM Program.
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| Pennsylvania Department of Environmental Protection |
| 2012 |
Coal mining has occurred in Pennsylvania for over a century. The maps of these coal mines are stored at various public and private locations (if they still exist at all) throughout the commonwealth. The Pennsylvania Department of Environmental Protection (DEP), Office of Active and Abandoned Mine Operations is involved in many projects dealing with historic and active mine map restoration and digitization. The DEP has tried to preserve the historic information contained on these maps by scanning the maps into a digital image. The preferred format for archiving these maps is an uncompressed Tagged Image File Format (.TIF) at 400 DPI resolution and 24-bit RGB color depth. Some archival images are stored at a lower DPI due to scanner limitations and/or extremely large size of the original hardcopy. Various scanners were used at different locations at different times. Detailed metadata on the individual map sheets can be found in the Pennsylvania Historic Underground Mine Map Inventory System (PHUMMIS). Many of the mine map images have been georeferenced after an archive image is made. These maps have been georeferenced to provide the approximate spatial location so that they can be used for many environmental related issues, including mine land reclamation and determination of needs for Mine Subsidence Insurance. It is understood that there is an inherit loss of accuracy in the georeferencing process and the georeferenced map may not align correctly with base maps and/or established coordinate systems. Therefore these georeferenced maps should ONLY be used for reference information only and NOT be used for an engineering and/or human safety related issues.
Before a map is georeferenced, it is compressed into a MrSID file format using LizardTech’s GeoExpress software. The compressed image is georeferenced in ESRI’s ArcGIS software. An attempt is made to match a minimum of four control points between the source map image and target basemaps/coordinates. The points used to link the mine map to a base map include, but are not limited to: road crossings, monuments, property boundaries, water crossings, structures, coordinates, railroads, etc. When four control points cannot be obtained with this process, additional points may have been used from other previously georeferenced mine maps. Some maps were previously georeferenced in other file formats, if the georeferencing was deemed sufficient, a MrSID image of the same map may have been georeferenced to the previous image using the four corners of the map image. The extents of the georeferenced images are then recorded in a feature class to create a spatial Underground Mine Map Index.
It should be noted that the “Mine Map Index” overlay displayed on the PA Mine Map Atlas web map application may not contain features for all available georeferenced maps due to duplication of maps and/or visual presentation of the Atlas web map, but the index shapefile available for FTP download from PASDA will contain features for all available quality-controlled georeferenced underground mine maps as of its publish date.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Coal mining has occurred in Pennsylvania for over a century. The maps of these coal mines are stored at various public and private locations (if they still exist at all) throughout the commonwealth. The Pennsylvania Department of Environmental Protection (DEP), Office of Active and Abandoned Mine Operations is involved in many projects dealing with historic and active mine map restoration and digitization. The DEP has tried to preserve the historic information contained on these maps by scanning the maps into a digital image. The preferred format for archiving these maps is an uncompressed Tagged Image File Format (.TIF) at 400 DPI resolution and 24-bit RGB color depth. Some archival images are stored at a lower DPI due to scanner limitations and/or extremely large size of the original hardcopy. Various scanners were used at different locations at different times. Detailed metadata on the individual map sheets can be found in the Pennsylvania Historic Underground Mine Map Inventory System (PHUMMIS). Many of the mine map images have been georeferenced after an archive image is made. These maps have been georeferenced to provide the approximate spatial location so that they can be used for many environmental related issues, including mine land reclamation and determination of needs for Mine Subsidence Insurance. It is understood that there is an inherit loss of accuracy in the georeferencing process and the georeferenced map may not align correctly with base maps and/or established coordinate systems. Therefore these georeferenced maps should ONLY be used for reference information only and NOT be used for an engineering and/or human safety related issues.
Before a map is georeferenced, it is compressed into a MrSID file format using LizardTech’s GeoExpress software. The compressed image is georeferenced in ESRI’s ArcGIS software. An attempt is made to match a minimum of four control points between the source map image and target basemaps/coordinates. The points used to link the mine map to a base map include, but are not limited to: road crossings, monuments, property boundaries, water crossings, structures, coordinates, railroads, etc. When four control points cannot be obtained with this process, additional points may have been used from other previously georeferenced mine maps. Some maps were previously georeferenced in other file formats, if the georeferencing was deemed sufficient, a MrSID image of the same map may have been georeferenced to the previous image using the four corners of the map image. The extents of the georeferenced images are then recorded in a feature class to create a spatial Underground Mine Map Index.
It should be noted that the “Mine Map Index” overlay displayed on the PA Mine Map Atlas web map application may not contain features for all available georeferenced maps due to duplication of maps and/or visual presentation of the Atlas web map, but the index shapefile available for FTP download from PASDA will contain features for all available quality-controlled georeferenced underground mine maps as of its publish date.
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| Pennsylvania Department of Environmental Protection |
| 2023 |
Pennsylvania municipalities with NPDES MS4 permits or waivers, have been identified by the Pennsylvania Department of Environmental Protection. Attribute data indicates whether the municipality holds a general or individual NPDES MS4 permit (PAG-13), or whether the municipality qualified for a waiver from the permitting requirement.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
As part of Pennsylvania's State Water Plan this data set is used to determine non-public water supply areas (self-supplied). It is also used to help determine the population served and water supply demand.
Boundaries of current public water supplier's (PWS) service areas. This data set contains the present service area boundary of the water system and does not contain locations of surface and groundwater sources, storage facilities, transmission and distribution system lines, and interconnections with other water systems. Revisions, updates and additions are done on an as needed basis. All boundaries should be considered approximate.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A Radiation Facility is a DEP primary facility type related to the Radiation Protection Program. The sub-facility types related to Radiation that are included are:___
Accelerator -- Electronic machine producing high energy radiation,
Mammography Quality Stds Act Tube -- Specialized X-ray equipment for mammography,
X-ray Machine -- A facility where X-ray machines other than accelerators are used
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A Residual Waste Operation is a DEP primary facility type related to the Waste Management Residual Waste Program. Residual waste is waste generated at an industrial, mining, or wastewater treatment facility. The sub-facility types related to Residual Waste that are included are:____ Generator:
A generator is a person, company, institution, or municipality that produces or creates residual waste. Residual waste is waste generated at an industrial, mining, or wastewater treatment facility.
Impoundment:
An impoundment is a facility designed to hold an accumulation of liquid wastes.
Incinerator:
An incinerator is an enclosed device using controlled combustion to thermally break down residual waste.
Land Application:
Land application is a facility that uses agricultural utilization or land reclamation of waste. Residual waste is land applied for its nutrient value or as a soil conditioner.
Landfill:
A landfill is a facility that uses land for the disposal of residual waste.
Processing Facility:
A processing facility is a transfer station, compost facility, resource recovery facility, or a facility that reduces the volume or bulk of residual waste for off-site reuse.
Transfer Station:
A transfer station receives and processes or temporarily stores residual waste at a location other than the generation site. This sub-facility facilitates the transportation or transfer of residual waste to a processing or disposal facility.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A Storage Tank Location is a DEP primary facility type, and the storage tanks at the facility are the sub-facilities. Active storage tanks are aboveground or underground tanks regulated under the Storage Tank and Spill Prevention Act (35 P.S. §6021) and 25 Pa. Code Chapter 245. Active storage tanks are in a status of “currently in use” or “temporarily out of use”, which means the tanks still exist in a regulated status. These tanks are currently registered to hold a regulated substance, which could be a petroleum product or a hazardous substance. Above ground storage tanks with a capacity greater than 21,000 gallons, and aboveground storage tanks that contain highly hazardous substances, are removed from this layer.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A Storage Tank Location is a DEP primary facility type, and the storage tanks at the facility are the sub-facilities. Inactive storage tanks are aboveground or underground tanks that were once regulated under the Storage Tank and Spill Prevention Act 35 P.S. 6021 and 25 Pa. Code Chapter 245. Inactive storage tanks include those tanks that have been removed, permanently closed, exempted from regulation, transferred to a different facility record, or otherwise removed from registration with DEP. These tanks previously held a regulated substance, which could have been a petroleum product or a hazardous substance.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Stormwater management involves the control of water that runs off the surface of the land from rain or melting ice or snow. The volume, or amount of runoff and its rate of runoff, substantially increase as land development occurs. Construction of impervious surfaces, such as roofs and parking lots, and the installation of storm sewer pipes which efficiently collect and discharge runoff, prevent the infiltration of rainfall into the soil. Management of stormwater is necessary to compensate for the possible impacts of development such as frequent flooding, erosion and sedimentation problems, concentration of flow on adjacent properties, damages to roads, bridges and other infrastructure as well as non-point source pollution washed off from impervious surfaces. The Pennsylvania legislature enacted the Storm Water Management Act (No.167) in 1978 to authorize a program of comprehensive watershed stormwater management which retains local implementation and enforcement of stormwater ordinances similar to local responsibility of administration of subdivision and land development regulations. Under the Act, the Department of Environmental Protection (DEP) provides grant money to counties to develop stormwater management plans for designated watersheds. This planning effort results in the incorporation of sound engineering standards and criteria into local codes and ordinances to manage runoff from new development in a coordinated, watershed-wide approach. Counties develop stormwater plans for each of their watersheds within their boundaries. DEP develops grant agreements with counties to pay for 75 percent of the cost to prepare the plans. Upon completion of a plan by a county and approval by DEP, municipalities located in the watershed adopt ordinances consistent with the plan. Developers are then required to follow the local drainage regulations that incorporate the standards of the watershed plan when preparing their land development plan. Although not all watersheds have been studied, developers in non-studied areas are still required to follow any local drainage regulations adopted under the Municipalities Planning Code. County boundaries within Pennsylvania as delineated for the PennDOT Type 10 general highway map.
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| Pennsylvania Department of Environmental Protection |
| 2006 |
The Stream ReLeaf layer represents the locations of projects that restore and maintain riparian buffers along streams, lakes and ponds of the Commonwealth. A riparian buffer is an area of vegetation that is maintained along the shore of a water body to protect water quality along with stabilizing stream channels and banks. Buffers can reduce the pollutants entering a stream, lake or pond by filtering and altering the form of sediments, nutrients and other chemicals in runoff from surrounding lands. Pennsylvania has the goal of eventually restoring buffers along all of our streams, lakes and ponds.
The project locations that fall within 150 meters of the National Hydrography Network (NHD) have been snapped to the nearest stream location on the NHDFlowline layer. All other project locations are plotted as they are entered.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
National Hydrography Dataset NHDFlowline layer with a spatial representation of designated water uses defined in Title 25 Environmental Protection, Department of Environmental Protection, Chapter 93, Water Quality Standards. The Pennsylvania Code just cited provides a list of all streams or watersheds (basins) in the state along with their associated designated water uses. This GIS layer displays these uses spatially on an interactive stream map. Public users can drill down to locations on the map to view and map the designated uses of the water bodies of interest. The layer can also be used in conjunction with other spatially referenced data for spatial analyses.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
National Hydrography Dataset NHDFlowline layer with spatial representation of existing water uses defined in Title 25 Environmental Protection, Department of Environmental Protection, Chapter 93, Water Quality Standards. The Pennsylvania Code just cited provides a definition for distinguishing between designated and existing use classification. This GIS layer displays these uses spatially on an interactive stream map. Public users can drill down to locations on the map to view and map the existing uses of the water bodies of interest. The layer can also be used in conjunction with other spatially referenced data for spatial analyses.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
The Clean Water Act Section 303(d) establishes the Total Maximum Daily Load (TMDL) program. The purpose of the TMDL program is to identify sources of pollution and allocate pollutant loads in places where water quality goals are not being achieved. This layer shows the list of waters for which technology-based or other required pollution controls are not stringent enough to meet water quality standards. The TMDLs themselves specify a pollutant budget that must be achieved to meet state water quality standards and allocates pollutant loads among pollution sources in a watershed, e.g., point and nonpoint sources.
TMDLs can be developed for several categories such as: point sources (permitted sewage and industrial discharges); nonpoint sources (agriculture and urban runoff); lakes; abandoned mine drainage (also called acid mine drainage or AMD); specific bioaccumulative chemicals (PCBs and chlordane that contaminate fish, resulting in fish advisories limiting or banning the number of fish that a person can safely consume); and complex situations (combinations of different types).
This layer is based on the High Resolution National Hydrography Dataset (NHD). The Lake TMDLs are not included in this layer.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
The Clean Water Act Section 303(d) establishes the Total Maximum Daily Load (TMDL) program. The purpose of the TMDL program is to identify sources of pollution and allocate pollutant loads in places where water quality goals are not being achieved. This layer shows the list of waters for which technology-based or other required pollution controls are not stringent enough to meet water quality standards. The TMDLs themselves specify a pollutant budget that must be achieved to meet state water quality standards and allocates pollutant loads among pollution sources in a watershed, e.g., point and nonpoint sources.
This layer represents lakes with TMDL associated with them. Lakes have characteristics that differentiate TMDLs from other waters. Lakes are not free-flowing like streams, but are contained waters that trap pollutants for long periods. Most lake impairments are from high nutrient or sediment loads. Wherever possible, lake TMDLs are developed with the information in the lake study reports that were sponsored by local watershed groups or other local interests. Target acceptable pollutant loads are set at the level of a watershed largely unaffected by human induced impacts. Load allocations are given to the pollutant sources using the same methods as nonpoint source TMDLs. Other indicators of water quality are also considered in the evaluation of a lake. One indicator is the Trophic Status Index (TSI), which refers to the degree of nutrient enrichment in the lake. Nutrient enrichment causes growths of algae that consume oxygen and interfere with the health of the aquatic organisms in the lake. The TSI is affected by factors such as lake volume, water residence time and nutrient loads to the lake. After target loads are set, the TSI is evaluated under reduced nutrient load conditions to assure that the pollutant reductions will bring the TSI into an acceptable range. Implementation of lake TMDLs is best accomplished though local participation. This layer is based on the High Resolution National Hydrography Dataset (NHD).
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| Pennsylvania Department of Environmental Protection |
| 2009 |
Unpaved roads layer for Pennsylvania created by the Bureau of Watershed Management, Conservation Districts And Nutrient Management Division.
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| Pennsylvania Department of Environmental Protection |
| 2013 |
Areas of PA that are unsuitable for mining purposes
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| Pennsylvania Department of Environmental Protection |
| 2025 |
This data set contains all approved water sources within water management plans (WMP). A WMP contains water sources utilized in the fracture stimulation of Marcellus Shale natural gas wells in Pennsylvania.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A Water Pollution Control Facility is a DEP primary facility type related to the Water Pollution Control Program. The sub-facility types related to Water Pollution Control that are included in eMapPA are: Agricultural Activities - The management and use of farming resources for the production of crops, livestock or poultry. Biosolids Treatment - Indicates that the facility treats sewage sludge to produce a material that can be beneficially used, biosolids. Compost/Processing - Indicates that the facility treats sewage sludge by composting to produce a material that can be beneficially used, biosolids. Conveyance System - Sewage system without treatment. Discharge Point - Discharge point to stream. Groundwater Monitoring Point. Internal Monitoring Point - Used to monitor internal processes - not a discharge. Land Discharge - Land application of wastewater. Manure Management - Activities related to or supporting storage, collection, handling, transport, application, planning, record keeping, generation or other manure management activities. Outfall structure - Outfall structure to stream. Pesticide Treatment Area - These SFs are created to address treatment areas that in reality are often an entire water body, such as a pond. The lat/long coordinates are supposed to be entered at the mid-point or center of the treatment area. Pipeline or Conduit - Pipes or other smaller diameter conveyances that are used to transport or supply liquids or slurries from collection, storage or supply facilities or areas to other facilities or areas for storage, modification or use. These can be for longer-term, medium-term or short-term and would include design, capacity, maintenance, safety, inspection, accident and varying use and weather considerations. Production Service Unit - Catch all sub-facility that covers a variety of industries participating in a multitude of activities such as concentrated animal feeding, pharmaceuticals, paper, steel, utilities, etc. The majority of PSUs are classified as Industrial Waste or Stormwater-Industrial (Primary Facility kind). Pump Station - Sewage pump station. Septage Land Application - Indicates that the septage hauler treats residential septage for land application, meaning that it can be applied to land as a soil amendment/fertilizer. Storage Unit - Storage of wastewater. Treatment Plant - Sewage or industrial wastewater treatment plant.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A Water Resource is a DEP primary facility type related to the Water Use Planning Program. The sub-facility types related to Water Resources that are included are:____
Discharge:
A Discharge subfacility type represents the return of water used at a Water Resources primary facility. The subfacility type may be a sewage treatment plant, instream discharge, spray irrigation field, groundwater recharge, on-lot septic or an unidentified facility type.
Ground Water Withdrawal:
A Ground Water subfacility type represents the withdrawal of water used at a Water Resources primary facility. The subfacility type may be a well, spring, quarry, infiltration gallery, deep mine, surface mine or an unidentified facility type.
Interconnection:
An Interconnection subfacility type represents the point of interconnection between Water Resources primary facilities. The subfacility type may be for an interconnection between two public water supply agencies or between a public water supply agency and a commercial or industrial water user.
Storage:
A Storage subfacility type represents the storage of water used at a Water Resources primary facility. The subfacility type represents raw or treated water storage and may be a quarry, standpipe, open off-stream reservoir, closed off-stream reservoir, instream reservoir, hydroelectric dam, natural lake, pond, silt dam, hydroelectric pumped storage or an unidentified facility type.
Surface Water Withdrawal:
A Surface Water subfacility type represents the withdrawal of water used at a Water Resources primary facility. The subfacility type may be an instream diversion, intake from a dam, natural lake, pond, river well, or an unidentified facility type.
Water Allocation:
A Water Allocation subfacility type represents a permit issued for a surface water withdrawal by a Water Resources Public Water Supply (PWS) Agency primary facility. The subfacility type (permit) may be issued for all PWS Water Resources' surface water withdrawals, ground water withdrawals except ground water wells, or interconnections used by a receiving PWS from a surface water PWS.
Primary facility kinds, 'Water Purveyor' and 'Electric Use', are removed.
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| Pennsylvania Department of Environmental Protection |
| 2012 |
WPA Mapping was drawn in the 1930’s as part of the “Works Progress Administration”. All mining shown on the WPA Maps is assumed to have taken place ‘Prior to 1935’. The WPA Maps were laid out based on the 15’ USGS Topographic Quadrangles, consisting of nine (9) 5' sections. The lower right corner of the WPA Maps includes the sheet name and coal seam covered by the sheet. The latitude and longitude of each corner of the WPA Map is shown. The adjacent WPA Map is listed at each corner and mid way along each edge. The contour lines on the WPA Maps indicate the elevation of the coal seam in feet “above sea level”. The coal seam outcrop is shown using a heavy black line. The outcrop is the point where the coal seam elevation and the surface elevation are equal. The speckled areas on the maps indicate completely mined out areas. The symbol that looks like a ladder indicates a mined out area where passage ways ("Mains") were first developed. Clear areas, which are inside the outcrop, were not mined as of 1935. Occasionally mine names and operator names appear around the mined out areas, however clear mine boundaries are not shown. Oil and gas wells are shown on the maps as star-like symbols.
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| Pennsylvania Department of Environmental Protection |
| 2012 |
TILE INDEX - WPA Mapping was drawn in the 1930’s as part of the “Works Progress Administration”. All mining shown on the WPA Maps is assumed to have taken place ‘Prior to 1935’. The WPA Maps were laid out based on the 15’ USGS Topographic Quadrangles, consisting of nine (9) 5' sections. The lower right corner of the WPA Maps includes the sheet name and coal seam covered by the sheet. The latitude and longitude of each corner of the WPA Map is shown. The adjacent WPA Map is listed at each corner and mid way along each edge. The contour lines on the WPA Maps indicate the elevation of the coal seam in feet “above sea level”. The coal seam outcrop is shown using a heavy black line. The outcrop is the point where the coal seam elevation and the surface elevation are equal. The speckled areas on the maps indicate completely mined out areas. The symbol that looks like a ladder indicates a mined out area where passage ways ("Mains") were first developed. Clear areas, which are inside the outcrop, were not mined as of 1935. Occasionally mine names and operator names appear around the mined out areas, however clear mine boundaries are not shown. Oil and gas wells are shown on the maps as star-like symbols.
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| Pennsylvania Department of Environmental Protection |