| Date | Title | Provider |
| 2004 |
watershed boundaries for the Delaware River Basin at the HUC 8 level
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| Delaware River Basin Commission DRBC |
| 2004 |
watershed boundaries for the Delaware River Basin at the HUC 11 level
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| Delaware River Basin Commission DRBC |
| 2004 |
Watersheds for New Jersey coded to 14 digit Hydrologic Unit Codes (HUC) clipped to the Delaware River Basin
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| Delaware River Basin Commission DRBC |
| 2016 |
In the original APCAW (v2) the Open Space Institute (OSI) sought to develop a metric to measure the relative capacity of small scale (HUC12) watersheds to produce clean surface and ground water. In 2014, two different HUC12-based metrics (i.e., “Ability to Produce Good Quality Surface Water” and “Ability to Produce Good Quality Ground Water”) were calculated and used by OSI to evaluate land protection projects. In 2015, OSI combined these two metrics into one metric that considers watershed conditions (e.g. land cover, terrain, and hydrology) and their effects on the abundance and quality of surface and ground water within a reasonably-sized watershed (i.e., HUC12 boundary). The revised index the APCAWv2 makes a number of changes to the original work, notably watershed boundaries are now based on the National Hydrography Dataset Plus version 2 Horizon Systems and EPA. The NHDplusv2 lateral drainage areas were originally defined by the USGS 1:100 k watershed boundaries. For more information on the spatial boundaries used in this analysis .
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| Open Space Institute |
| 2006 |
Polygon shapefile that includes the major watersheds of the Susquehanna River Basin (2006 boundary). This file was created by dissolving the wshed24K dataset into the major watersheds. The groupings were defined by the needs of the Susquehanna River Basin Commission (SRBC) and represent the SRBC's interpretation of major watersheds in the Susquehanna River Basin. This file was created to work in tandem with wshed24k.shp, subbasin.shp, and srb.shp. This dataset does not match the Hydrologic Unit Code (HUC) 11 digit watersheds.
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| Susquehanna River Basin Commission SRBC |
| 2006 |
Polygon shapefile that includes approximately 1:24,000 scale watersheds in the Susquehanna River Basin (2006 boundary). This file was created by merging three small watershed datasets; (1) Smallsheds from the Pennsylvania Department of Environmental Protection (PADEP); (2) Maryland Hydrologic Unit Code (HUC) 14 digit watersheds; (3) 1:24,000 scale watersheds from the United States Geologic Survey (USGS). Pennsylvania watersheds are delineated at 1:24,00 while New York and Maryland watersheds are delineated mostly at 1:24,000 but some were delineated at larger or smaller scale. Additionally, the boundary between the Upper Susq. and Chemung Subbasins was updated to match the SRBC delineated subbasin line that exists on 1:24,000 scale USGS topographic maps.
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| Susquehanna River Basin Commission SRBC |
| 2010 |
This layer shows potential land area for the production of biofuel feedstocks, such as winter barley, winter rye and switchgrass. Areas and corresponding crop production totals are aggregated by HUC6 boundaries for the Chesapeake Bay.
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| The Pennsylvania State University |
| 2025 |
This dataset is a compilation of airborne lidar derived digital elevation models for Pennsylvania, organized by HUC8 watershed boundaries and sampled at 3 m resolution. Source data was downloaded from the US Geological Survey National Map, primarily from the 2019 Pennsylvania 3D Elevation Program lidar survey, but supplemented with other available datasets where needed to ensure continuous coverage. This project was funded by the Pennsylvania Department of Environmental Protection (PADEP) through its Water Program. April 2025.
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| The Pennsylvania State University |
| 2025 |
This dataset represents the upstream flow accumulation, or contributing drainage area, in units of square meters, calculated from the dataset “Pennsylvania 3m lidar digital elevation models 2019”, organized by HUC8 watershed. Flow accumulation was calculated using the “carve” approach in TopoToolbox (Schwanghart and Scherler, 2014). Flow accumulation does not account for incoming flow from outside HUC8 regions, and so should be used with caution when interpreting large trunk streams that cross HUC 8 regions. This project was funded by the Pennsylvania Department of Environmental Protection (PADEP) through its Water Program. April 2025. Schwanghart, W., Scherler, D., 2014. TopoToolbox 2 – MATLAB-based software for topographic analysis and modeling in Earth surface sciences. Earth Surface Dynamics, 2, 1-7. https://doi.org/10.5194/esurf-2-1-2014
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| The Pennsylvania State University |
| 2025 |
This dataset represents local slope angle in units of degrees, calculated from the dataset “Pennsylvania 3m lidar digital elevation models 2019”, organized by HUC8 watershed. Slope was calculated using the Spatial Analyst Slope tool in ArcGIS Pro. This project was funded by the Pennsylvania Department of Environmental Protection (PADEP) through its Water Program. April 2025.
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| The Pennsylvania State University |
| 2018 |
Pennsylvania Land Cover by Hydrologic Unit Code (HUC) 10, Based on NLCD 2011
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| The Pennsylvania State University |
| 2018 |
Pennsylvania Land Cover by Hydrologic Unit Code (HUC) 12, Based on NLCD 2011
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| The Pennsylvania State University |
| 2018 |
Pennsylvania Land Cover by Hydrologic Unit Code (HUC) 12, Based on NLCD 2011
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| The Pennsylvania State University |
| 2025 |
This dataset contains polygon shapefiles of the stream network with contributing area larger than 1 square kilometer in Pennsylvania, organized by HUC8 watershed. Flow paths are derived from the dataset “Pennsylvania 3m lidar flow accumulation 2019”, and stream width is modeled using the hydraulic geometry scaling of width and drainage area from Hack (1957). This project was funded by the Pennsylvania Department of Environmental Protection (PADEP) through its Water Program. April 2025..
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| The Pennsylvania State University |
| 2006 |
This table contains the values of all the metrics calculated for the subwatersheds in the Eastern Brook Trout Joint Venture brook trout assessment. The Eastern Brook Trout Joint Venture (EBTJV) is a partnership between state and federal agencies, nongovernmental conservation organizations, and academia. The EBTJV is focused on an effort to protect, restore, and enhance brook trout populations throughout the historic range of the Eastern brook trout. One of the goals of the EBTJV was to produce a subwatershed dataset indicating the current distribution of brook trout populations and their perturbations. This data will aid in quantifying problems, identifying information gaps, and setting restoration priorities. The subwatershed classifications are based on a combination of quantitative information collected by state agencies and qualitative judgment calls by local experts.
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| U S Department of Agriculture |
| 2006 |
This table contains the results of the models used to classify the subwatersheds where the population status was unknown or there was only qualitative data available. The Eastern Brook Trout Joint Venture (EBTJV) is a partnership between state and federal agencies, nongovernmental conservation organizations, and academia. The EBTJV is focused on an effort to protect, restore, and enhance brook trout populations throughout the historic range of the Eastern brook trout. One of the goals of the EBTJV was to produce a subwatershed dataset indicating the current distribution of brook trout populations and their perturbations. This data will aid in quantifying problems, identifying information gaps, and setting restoration priorities. The subwatershed classifications are based on a combination of quantitative information collected by state agencies, qualitative judgment calls by local experts, and classification models based on landscape characteristics.
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| U S Department of Agriculture |
| 2006 |
This table contains the results of the models used to classify the subwatersheds where the population status was unknown or there was only qualitative data available. The Eastern Brook Trout Joint Venture (EBTJV) is a partnership between state and federal agencies, nongovernmental conservation organizations, and academia. The EBTJV is focused on an effort to protect, restore, and enhance brook trout populations throughout the historic range of the Eastern brook trout. One of the goals of the EBTJV was to produce a subwatershed dataset indicating the current distribution of brook trout populations and their perturbations. This data will aid in quantifying problems, identifying information gaps, and setting restoration priorities. The subwatershed classifications are based on a combination of quantitative information collected by state agencies and qualitative judgment calls by local experts.
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| U S Department of Agriculture |
| 2006 |
This table contains the pruned classification tree terminal node numbers for each subwatershed in the Eastern Brook Trout Joint Venture brook trout assessment. The tables also lists the classification probabilities for each node. The Eastern Brook Trout Joint Venture (EBTJV) is a partnership between state and federal agencies, nongovernmental conservation organizations, and academia. The EBTJV is focused on an effort to protect, restore, and enhance brook trout populations throughout the historic range of the Eastern brook trout. One of the goals of the EBTJV was to produce a subwatershed dataset indicating the current distribution of brook trout populations and their perturbations. This data will aid in quantifying problems, identifying information gaps, and setting restoration priorities. The subwatershed classifications are based on a combination of quantitative information collected by state agencies and qualitative judgment calls by local experts.
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| U S Department of Agriculture |
| 2006 |
This table contains the classification tree terminal node numbers for each subwatershed in the Eastern Brook Trout Joint Venture brook trout assessment. The tables also lists the classification probabilities for each node. The Eastern Brook Trout Joint Venture (EBTJV) is a partnership between state and federal agencies, nongovernmental conservation organizations, and academia. The EBTJV is focused on an effort to protect, restore, and enhance brook trout populations throughout the historic range of the Eastern brook trout. One of the goals of the EBTJV was to produce a subwatershed dataset indicating the current distribution of brook trout populations and their perturbations. This data will aid in quantifying problems, identifying information gaps, and setting restoration priorities. The subwatershed classifications are based on a combination of quantitative information collected by state agencies and qualitative judgment calls by local experts.
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| U S Department of Agriculture |
| 2006 |
The Eastern Brook Trout Joint Venture (EBTJV) is a partnership between state and federal agencies, nongovernmental conservation organizations, and academia. The EBTJV is focused on an effort to protect, restore, and enhance brook trout populations throughout the historic range of the Eastern brook trout. One of the goals of the EBTJV was to produce a subwatershed dataset indicating the current distribution of brook trout populations and their perturbations. This data will aid in quantifying problems, identifying information gaps, and setting restoration priorities. The subwatershed classifications are based on a combination of quantitative information collected by state agencies and qualitative judgment calls by local experts.
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| U S Department of Agriculture |
| 2016 |
In 2012, catchments were generated in the Delaware River Basin for 8-digit HUCs in the areas underlain by the Marcellus Shale (all of 02040101, 02040102, 02040103, 02040104; and headwater areas of 02040106 and 02040203) based on the National Hydrography Dataset (NHD) Strahler first- and second-order streams. There were areas that did not have a catchment generated so another methodology needed to be used in an attempt to fill in the 'gap areas'. A 900-cell, flow accumulation raster generated for the Pennsylvania StreamStats application was used as a surrogate stream layer with the same Strahler ordering system applied to help fill in the 'gap areas'. Points were manually placed at the downstream end of the Strahler Order 1 and 2 reaches using the surrogate streams as a guide. This manual point placement is different from the automated method used to develop the catchments generated from the NHD flowlines. The manual placement of the catchment pour points does not include a point downstream of a confluence, therefore, not as many catchments are generated in the 'gap-area' processing.
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| U S Geological Survey |
| 2016 |
In 2012, catchments were generated in the Delaware River Basin for 8-digit HUCs in areas underlain by the Marcellus Shale (all of 02040101, 02040102, 02040103, 02040104; and headwater areas of 02040106 and 02040203) based on the National Hydrography Dataset (NHD) Strahler first- and second-order streams. At that time, the remaining 8-digit HUCs were not included. The completion of HUCs 02040106 and 02040203, along with HUCs 02040105, 02040201, 02040202, 02040205, 02040206, and 02040207 were part of this current project.
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| U S Geological Survey |
| 2017 |
A breakthrough in water resources management occurred in 1961 when President Kennedy and the governors of Delaware, New Jersey, Pennsylvania, and New York for the first time signed concurrent compact legislation into law creating a regional body with the force of law to oversee a unified approach to managing a river system without regard to political boundaries. The members of this regional body - the Delaware River Basin Commission (DRBC) - include the four basin state governors and the Division Engineer, North Atlantic Division, U.S. Army Corps of Engineers, who serves as the federal representative. Commission programs include water quality protection, water supply allocation, regulatory review (permitting), water conservation initiatives, watershed planning, drought management, flood loss reduction, and recreation. Much of the new drilling interest taking place in northeastern Pennsylvania and southern New York is targeted at reaching the natural gas found in the Marcellus Shale formation, which underlies about 36 percent of the Delaware River Basin. Because the Marcellus Shale is considered a tight geologic formation, natural gas deposits were not previously thought to be practically and economically mineable using traditional techniques. New horizontal drilling and extraction methods, coupled with higher energy costs, have given energy companies reason to take a new interest in mining the natural gas deposits within the Marcellus Shale. In connection with natural gas drilling, the commission has identified three major areas of concern: 1.Gas drilling projects in the Marcellus Shale or other formations may have a substantial effect on the water resources of the basin by reducing the flow in streams and/or aquifers used to supply the significant amounts of fresh water needed in the natural gas mining process. 2.On-site drilling operations may potentially add, discharge or cause the release of pollutants into the ground water or surface water. 3.The recovered "frac water" must be treated and disposed of properly. DRBC is identifying methods, geospatial data, and other information to support decision making on how best to oversee the Marcellus Shale drilling in the Delaware River Basin (DRB).
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| U S Geological Survey |
| 2017 |
A breakthrough in water resources management occurred in 1961 when President Kennedy and the governors of Delaware, New Jersey, Pennsylvania, and New York for the first time signed concurrent compact legislation into law creating a regional body with the force of law to oversee a unified approach to managing a river system without regard to political boundaries. The members of this regional body - the Delaware River Basin Commission (DRBC) - include the four basin state governors and the Division Engineer, North Atlantic Division, U.S. Army Corps of Engineers, who serves as the federal representative. Commission programs include water quality protection, water supply allocation, regulatory review (permitting), water conservation initiatives, watershed planning, drought management, flood loss reduction, and recreation. Much of the new drilling interest taking place in northeastern Pennsylvania and southern New York is targeted at reaching the natural gas found in the Marcellus Shale formation, which underlies about 36 percent of the Delaware River Basin. Because the Marcellus Shale is considered a tight geologic formation, natural gas deposits were not previously thought to be practically and economically mineable using traditional techniques. New horizontal drilling and extraction methods, coupled with higher energy costs, have given energy companies reason to take a new interest in mining the natural gas deposits within the Marcellus Shale. In connection with natural gas drilling, the commission has identified three major areas of concern: 1.Gas drilling projects in the Marcellus Shale or other formations may have a substantial effect on the water resources of the basin by reducing the flow in streams and/or aquifers used to supply the significant amounts of fresh water needed in the natural gas mining process. 2.On-site drilling operations may potentially add, discharge or cause the release of pollutants into the ground water or surface water. 3.The recovered "frac water" must be treated and disposed of properly. DRBC is identifying methods, geospatial data, and other information to support decision making on how best to oversee the Marcellus Shale drilling in the Delaware River Basin (DRB).
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| U S Geological Survey |
| 2017 |
A breakthrough in water resources management occurred in 1961 when President Kennedy and the governors of Delaware, New Jersey, Pennsylvania, and New York for the first time signed concurrent compact legislation into law creating a regional body with the force of law to oversee a unified approach to managing a river system without regard to political boundaries. The members of this regional body - the Delaware River Basin Commission (DRBC) - include the four basin state governors and the Division Engineer, North Atlantic Division, U.S. Army Corps of Engineers, who serves as the federal representative. Commission programs include water quality protection, water supply allocation, regulatory review (permitting), water conservation initiatives, watershed planning, drought management, flood loss reduction, and recreation. Much of the new drilling interest taking place in northeastern Pennsylvania and southern New York is targeted at reaching the natural gas found in the Marcellus Shale formation, which underlies about 36 percent of the Delaware River Basin. Because the Marcellus Shale is considered a tight geologic formation, natural gas deposits were not previously thought to be practically and economically mineable using traditional techniques. New horizontal drilling and extraction methods, coupled with higher energy costs, have given energy companies reason to take a new interest in mining the natural gas deposits within the Marcellus Shale. In connection with natural gas drilling, the commission has identified three major areas of concern: 1.Gas drilling projects in the Marcellus Shale or other formations may have a substantial effect on the water resources of the basin by reducing the flow in streams and/or aquifers used to supply the significant amounts of fresh water needed in the natural gas mining process. 2.On-site drilling operations may potentially add, discharge or cause the release of pollutants into the ground water or surface water. 3.The recovered "frac water" must be treated and disposed of properly. DRBC is identifying methods, geospatial data, and other information to support decision making on how best to oversee the Marcellus Shale drilling in the Delaware River Basin (DRB).
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| U S Geological Survey |
| 2017 |
A breakthrough in water resources management occurred in 1961 when President Kennedy and the governors of Delaware, New Jersey, Pennsylvania, and New York for the first time signed concurrent compact legislation into law creating a regional body with the force of law to oversee a unified approach to managing a river system without regard to political boundaries. The members of this regional body - the Delaware River Basin Commission (DRBC) - include the four basin state governors and the Division Engineer, North Atlantic Division, U.S. Army Corps of Engineers, who serves as the federal representative. Commission programs include water quality protection, water supply allocation, regulatory review (permitting), water conservation initiatives, watershed planning, drought management, flood loss reduction, and recreation. Much of the new drilling interest taking place in northeastern Pennsylvania and southern New York is targeted at reaching the natural gas found in the Marcellus Shale formation, which underlies about 36 percent of the Delaware River Basin. Because the Marcellus Shale is considered a tight geologic formation, natural gas deposits were not previously thought to be practically and economically mineable using traditional techniques. New horizontal drilling and extraction methods, coupled with higher energy costs, have given energy companies reason to take a new interest in mining the natural gas deposits within the Marcellus Shale. In connection with natural gas drilling, the commission has identified three major areas of concern: 1.Gas drilling projects in the Marcellus Shale or other formations may have a substantial effect on the water resources of the basin by reducing the flow in streams and/or aquifers used to supply the significant amounts of fresh water needed in the natural gas mining process. 2.On-site drilling operations may potentially add, discharge or cause the release of pollutants into the ground water or surface water. 3.The recovered "frac water" must be treated and disposed of properly. DRBC is identifying methods, geospatial data, and other information to support decision making on how best to oversee the Marcellus Shale drilling in the Delaware River Basin (DRB).
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| U S Geological Survey |
| 2017 |
A breakthrough in water resources management occurred in 1961 when President Kennedy and the governors of Delaware, New Jersey, Pennsylvania, and New York for the first time signed concurrent compact legislation into law creating a regional body with the force of law to oversee a unified approach to managing a river system without regard to political boundaries. The members of this regional body - the Delaware River Basin Commission (DRBC) - include the four basin state governors and the Division Engineer, North Atlantic Division, U.S. Army Corps of Engineers, who serves as the federal representative. Commission programs include water quality protection, water supply allocation, regulatory review (permitting), water conservation initiatives, watershed planning, drought management, flood loss reduction, and recreation. Much of the new drilling interest taking place in northeastern Pennsylvania and southern New York is targeted at reaching the natural gas found in the Marcellus Shale formation, which underlies about 36 percent of the Delaware River Basin. Because the Marcellus Shale is considered a tight geologic formation, natural gas deposits were not previously thought to be practically and economically mineable using traditional techniques. New horizontal drilling and extraction methods, coupled with higher energy costs, have given energy companies reason to take a new interest in mining the natural gas deposits within the Marcellus Shale. In connection with natural gas drilling, the commission has identified three major areas of concern: 1.Gas drilling projects in the Marcellus Shale or other formations may have a substantial effect on the water resources of the basin by reducing the flow in streams and/or aquifers used to supply the significant amounts of fresh water needed in the natural gas mining process. 2.On-site drilling operations may potentially add, discharge or cause the release of pollutants into the ground water or surface water. 3.The recovered "frac water" must be treated and disposed of properly. DRBC is identifying methods, geospatial data, and other information to support decision making on how best to oversee the Marcellus Shale drilling in the Delaware River Basin (DRB).
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| U S Geological Survey |
| 2017 |
A breakthrough in water resources management occurred in 1961 when President Kennedy and the governors of Delaware, New Jersey, Pennsylvania, and New York for the first time signed concurrent compact legislation into law creating a regional body with the force of law to oversee a unified approach to managing a river system without regard to political boundaries. The members of this regional body - the Delaware River Basin Commission (DRBC) - include the four basin state governors and the Division Engineer, North Atlantic Division, U.S. Army Corps of Engineers, who serves as the federal representative. Commission programs include water quality protection, water supply allocation, regulatory review (permitting), water conservation initiatives, watershed planning, drought management, flood loss reduction, and recreation. Much of the new drilling interest taking place in northeastern Pennsylvania and southern New York is targeted at reaching the natural gas found in the Marcellus Shale formation, which underlies about 36 percent of the Delaware River Basin. Because the Marcellus Shale is considered a tight geologic formation, natural gas deposits were not previously thought to be practically and economically mineable using traditional techniques. New horizontal drilling and extraction methods, coupled with higher energy costs, have given energy companies reason to take a new interest in mining the natural gas deposits within the Marcellus Shale. In connection with natural gas drilling, the commission has identified three major areas of concern: 1.Gas drilling projects in the Marcellus Shale or other formations may have a substantial effect on the water resources of the basin by reducing the flow in streams and/or aquifers used to supply the significant amounts of fresh water needed in the natural gas mining process. 2.On-site drilling operations may potentially add, discharge or cause the release of pollutants into the ground water or surface water. 3.The recovered "frac water" must be treated and disposed of properly. DRBC is identifying methods, geospatial data, and other information to support decision making on how best to oversee the Marcellus Shale drilling in the Delaware River Basin (DRB).
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| U S Geological Survey |
| 2024 |
This dataset is Elevation-derived hydrography (EDH) for the 140G0223F0100 PA_Northeast_Susquehanna_D23_H project covering HU 02050301. The hydrography layer contains line features representing stream rivers and polygons representing waterbody. The EDH was derived from 1m light detection and ranging (lidar) Digital Elevation Models. This dataset was created to meet the requirements of the USGS Elevation-derived hydrography specification, https://www.usgs.gov/core-science-systems/ngp/ss/elevation-derived-hydrography-specifications. The line features contain Elevation class (EClass) codes useful for hydro-enforcement, including culvert identification. Feature Class (FCLASS) and Feature codes (FCodes) are hydrography codes compatible with the National Hydrography Dataset (NHD).
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| U S Geological Survey |
| 2024 |
This dataset is Elevation-derived hydrography (EDH) for the 140G0223F0100 PA_Northeast_Susquehanna_D23_H project covering HU 02050301. The hydrography layer contains line features representing stream rivers and polygons representing waterbody. The EDH was derived from 1m light detection and ranging (lidar) Digital Elevation Models. This dataset was created to meet the requirements of the USGS Elevation-derived hydrography specification, https://www.usgs.gov/core-science-systems/ngp/ss/elevation-derived-hydrography-specifications. The line features contain Elevation class (EClass) codes useful for hydro-enforcement, including culvert identification. Feature Class (FCLASS) and Feature codes (FCodes) are hydrography codes compatible with the National Hydrography Dataset (NHD).
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| U S Geological Survey |
| 2024 |
This dataset is Elevation-derived hydrography (EDH) for the 140G0223F0100 PA_Northeast_Susquehanna_D23_H project covering HU 02050301. The hydrography layer contains line features representing stream rivers and polygons representing waterbody. The EDH was derived from 1m light detection and ranging (lidar) Digital Elevation Models. This dataset was created to meet the requirements of the USGS Elevation-derived hydrography specification, https://www.usgs.gov/core-science-systems/ngp/ss/elevation-derived-hydrography-specifications. The line features contain Elevation class (EClass) codes useful for hydro-enforcement, including culvert identification. Feature Class (FCLASS) and Feature codes (FCodes) are hydrography codes compatible with the National Hydrography Dataset (NHD).
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| U S Geological Survey |
| 2023 |
This dataset is Elevation-derived hydrography (EDH) for the 140G00221F0093-PA_EDHL_Raystown_2021_D21 project covering HU 02050302 - Upper Juniata Watershed. The hydrography layer contains line features representing stream rivers and polygons representing waterbody. The EDH was derived from light detection and ranging (lidar) derived Digital Elevation Model of 1m, flown as part of 3 different projects between November 2017 and March 2020. This dataset was created to meet the requirements of the USGS Elevation-derived hydrography specification, https://www.usgs.gov/core-science-systems/ngp/ss/elevation-derived-hydrography-specifications. The line features contain Elevation class (EClass) codes useful for hydro-enforcement, including culvert identification. Feature Class (FCLASS) and Feature codes (FCodes) are hydrography codes compatible with the National Hydrography Dataset (NHD). The EDH product should be suitable for pre-conflation to the NHD.
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| U S Geological Survey |
| 2023 |
This dataset is Elevation-derived hydrography (EDH) for the 140G00221F0093-PA_EDHL_Raystown_2021_D21 project covering HU 02050303 - Raystown Watershed. The hydrography layer contains line features representing stream rivers and polygons representing waterbody. The EDH was derived from light detection and ranging (lidar) derived Digital Elevation Model of 1m, flown as part of 3 different projects between November 2017 and March 2020. This dataset was created to meet the requirements of the USGS Elevation-derived hydrography specification, https://www.usgs.gov/core-science-systems/ngp/ss/elevation-derived-hydrography-specifications. The line features contain Elevation class (EClass) codes useful for hydro-enforcement, including culvert identification. Feature Class (FCLASS) and Feature codes (FCodes) are hydrography codes compatible with the National Hydrography Dataset (NHD). The EDH product should be suitable for pre-conflation to the NHD.
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| U S Geological Survey |
| 2023 |
This dataset is Elevation-derived hydrography (EDH) for the 140G00221F0093-PA_EDHL_Raystown_2021_D21 project covering HU 02050304 - Lower Juniata Watershed. The hydrography layer contains line features representing stream rivers and polygons representing waterbody. The EDH was derived from light detection and ranging (lidar) derived Digital Elevation Model of 1m, flown as part of 3 different projects between November 2017 and March 2020. This dataset was created to meet the requirements of the USGS Elevation-derived hydrography specification, https://www.usgs.gov/core-science-systems/ngp/ss/elevation-derived-hydrography-specifications. The line features contain Elevation class (EClass) codes useful for hydro-enforcement, including culvert identification. Feature Class (FCLASS) and Feature codes (FCodes) are hydrography codes compatible with the National Hydrography Dataset (NHD). The EDH product should be suitable for pre-conflation to the NHD.
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| U S Geological Survey |
| 2023 |
This data comes directly from USGS National Watershed Boundary Dataset (see below) and is clipped to the PA State boundary and projected to PA State Plane in US Feet. A link to download the nationwide dataset is provided below.
Source acquisition date: September 2021
Data Source: USGS - Watershed Boundary Dataset (WBD) https://www.usgs.gov/core-science-systems/ngp/national-hydrography/watershed-boundary-dataset?qt-science_support_page_related_con=4#qt-science_support_page_related_con https://www.usgs.gov/core-science-systems/ngp/national-hydrography/access-national-hydrography-products https://prd-tnm.s3.amazonaws.com/index.html?prefix=StagedProducts/Hydrography/WBD/National/GDB/
Nationwide MapServer for Watershed Boundary Dataset: https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/
Download the WBD from the NRCS Geospatial Data Gateway Watershed Boundaries can also be downloaded from the Natural Resources Conservation Service. Data on the Geospatial Data Gateway are refreshed every six months (March and September).
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| WeConservePA |
| 2023 |
This data comes directly from USGS National Watershed Boundary Dataset (see below) and is clipped to the PA State boundary and projected to PA State Plane in US Feet. A link to download the nationwide dataset is provided below.
Source acquisition date: September 2021
Data Source: USGS - Watershed Boundary Dataset (WBD) https://www.usgs.gov/core-science-systems/ngp/national-hydrography/watershed-boundary-dataset?qt-science_support_page_related_con=4#qt-science_support_page_related_con https://www.usgs.gov/core-science-systems/ngp/national-hydrography/access-national-hydrography-products https://prd-tnm.s3.amazonaws.com/index.html?prefix=StagedProducts/Hydrography/WBD/National/GDB/
Nationwide MapServer for Watershed Boundary Dataset: https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/
Download the WBD from the NRCS Geospatial Data Gateway Watershed Boundaries can also be downloaded from the Natural Resources Conservation Service. Data on the Geospatial Data Gateway are refreshed every six months (March and September).
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| WeConservePA |
| 2023 |
This data comes directly from USGS National Watershed Boundary Dataset (see below) and is clipped to the PA State boundary and projected to PA State Plane in US Feet. A link to download the nationwide dataset is provided below.
Source acquisition date: September 2021
Data Source: USGS - Watershed Boundary Dataset (WBD) https://www.usgs.gov/core-science-systems/ngp/national-hydrography/watershed-boundary-dataset?qt-science_support_page_related_con=4#qt-science_support_page_related_con https://www.usgs.gov/core-science-systems/ngp/national-hydrography/access-national-hydrography-products https://prd-tnm.s3.amazonaws.com/index.html?prefix=StagedProducts/Hydrography/WBD/National/GDB/
Nationwide MapServer for Watershed Boundary Dataset: https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/
Download the WBD from the NRCS Geospatial Data Gateway Watershed Boundaries can also be downloaded from the Natural Resources Conservation Service. Data on the Geospatial Data Gateway are refreshed every six months (March and September).
Metadata
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KMZ
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| WeConservePA |
| 2023 |
This data comes directly from USGS National Watershed Boundary Dataset (see below) and is clipped to the PA State boundary and projected to PA State Plane in US Feet. A link to download the nationwide dataset is provided below.
Source acquisition date: September 2021
Data Source: USGS - Watershed Boundary Dataset (WBD) https://www.usgs.gov/core-science-systems/ngp/national-hydrography/watershed-boundary-dataset?qt-science_support_page_related_con=4#qt-science_support_page_related_con https://www.usgs.gov/core-science-systems/ngp/national-hydrography/access-national-hydrography-products https://prd-tnm.s3.amazonaws.com/index.html?prefix=StagedProducts/Hydrography/WBD/National/GDB/
Nationwide MapServer for Watershed Boundary Dataset: https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/
Download the WBD from the NRCS Geospatial Data Gateway Watershed Boundaries can also be downloaded from the Natural Resources Conservation Service. Data on the Geospatial Data Gateway are refreshed every six months (March and September).
Metadata
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KMZ
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| WeConservePA |
| 2023 |
This data comes directly from USGS National Watershed Boundary Dataset (see below) and is clipped to the PA State boundary and projected to PA State Plane in US Feet. A link to download the nationwide dataset is provided below.
Source acquisition date: September 2021
Data Source: USGS - Watershed Boundary Dataset (WBD) https://www.usgs.gov/core-science-systems/ngp/national-hydrography/watershed-boundary-dataset?qt-science_support_page_related_con=4#qt-science_support_page_related_con https://www.usgs.gov/core-science-systems/ngp/national-hydrography/access-national-hydrography-products https://prd-tnm.s3.amazonaws.com/index.html?prefix=StagedProducts/Hydrography/WBD/National/GDB/
Nationwide MapServer for Watershed Boundary Dataset: https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/
Download the WBD from the NRCS Geospatial Data Gateway Watershed Boundaries can also be downloaded from the Natural Resources Conservation Service. Data on the Geospatial Data Gateway are refreshed every six months (March and September).
Metadata
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KMZ
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| WeConservePA |
| 2023 |
This data comes directly from USGS National Watershed Boundary Dataset (see below) and is clipped to the PA State boundary and projected to PA State Plane in US Feet. A link to download the nationwide dataset is provided below.
Source acquisition date: September 2021
Data Source: USGS - Watershed Boundary Dataset (WBD) https://www.usgs.gov/core-science-systems/ngp/national-hydrography/watershed-boundary-dataset?qt-science_support_page_related_con=4#qt-science_support_page_related_con https://www.usgs.gov/core-science-systems/ngp/national-hydrography/access-national-hydrography-products https://prd-tnm.s3.amazonaws.com/index.html?prefix=StagedProducts/Hydrography/WBD/National/GDB/
Nationwide MapServer for Watershed Boundary Dataset: https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/
Download the WBD from the NRCS Geospatial Data Gateway Watershed Boundaries can also be downloaded from the Natural Resources Conservation Service. Data on the Geospatial Data Gateway are refreshed every six months (March and September).
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| WeConservePA |
| 2004 |
Aquatic Community Classification Project, prepared by the Western Pennsylvania Conservancy
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| Western Pennsylvania Conservancy |
| 2004 |
12 digit USGS hydrological unit code (HUC) watersheds within Pennsylvania. Includes percentage land-use information from the National Land Cover Dataset for each HUC 12, average slope for each HUC 12, and percent calcareous geology for each HUC 12.
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| Western Pennsylvania Conservancy |
| 2004 |
Drainage area polygons for each RF3 river reach flowing in Pennsylvania. Includes percentage land-use information from the National Land Cover Dataset for each river reach drainage area.
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| Western Pennsylvania Conservancy |