Found 750 datasets matching filters.
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
Search relevance: 1.00 | Views last month: 14 | Published on: 2026-03-03 -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 9 | Published on: 2026-03-04 -
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD),...
Search relevance: 1.00 | Views last month: 8 | Published on: 2026-03-03 -
<p>This data release contains a 17-year record (2005-2022) of discrete chlorophyll data from inland waters, collected from across the nation and territories. These data are from discrete samples...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-03 -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-04 -
This data displays the access locations of rivers and streams for fishing in New York State, as determined by fisheries biologists working for the New York State Department of Environmental...
Search relevance: 1.00 | Views last month: 6 | Published on: 2025-07-29 -
The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-01-27 -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-03-04 -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-03-04 -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-04 -
The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-02-28 -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-04 -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-04 -
This map shows the USGS (United States Geologic Survey), NWIS (National Water Inventory System) Hydrologic Data Sites for Uintah County, Utah. The scope and purpose of NWIS is defined on the...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-07 -
This map shows the USGS (United States Geologic Survey), NWIS (National Water Inventory System) Hydrologic Data Sites for Salt Lake County, Utah. The scope and purpose of NWIS is defined on the...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-07 -
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that geospatially depict the surface water...
Search relevance: 1.00 | Views last month: 4 | Published on: 2025-08-02 -
Digital flood-inundation maps were created for a 7.1-mile reach of the North Fork Kentucky River at Hazard, Kentucky. The flood-inundation maps, which can be accessed through the U.S. Geological...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
Water chemistry data from 60 sites in a partially mined eastern Kentucky watershed. Sites are spatially located from headwater tributaries to mouth for analysis of cumulative downstream impacts....
Search relevance: 1.00 | Views last month: 4 | Published on: 2025-08-02 -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-04 -
Inventory of stream fish in North Cascades and Mount Rainier National Parks tabular data, 2001-2003. In 2001-2003, Stream Fish Inventory surveys in North Cascades National Park Service Complex...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-04
