Found 567 datasets matching filters.
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The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American...
Search relevance: 1.00 | Views last month: 161 | Catalog Last Checked: May 05, 2026 at 10:20 PM -
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American...
Search relevance: 1.00 | Views last month: 67 | Catalog Last Checked: May 05, 2026 at 08:58 PM -
This GIS dataset contains data on wastewater treatment plants, based on EPA's Facility Registry Service (FRS) and NPDES, along with Clean Watersheds Needs Survey (CWNS) and other data sources.
Search relevance: 1.00 | Views last month: 65 | Catalog Last Checked: May 06, 2026 at 12:30 AM -
This digital data set defines the boundary of the hydrogeologic framework model (HFM) developed by IT Corporation (1996) for the U.S. Department of Energy Underground Test Area Phase I project....
Search relevance: 1.00 | Views last month: 42 | Catalog Last Checked: May 05, 2026 at 07:27 PM -
This digital data set represents the constant head-boundary used to simulate ground-water inflow or outflow at the lateral boundary of the Death Valley regional ground-water flow system (DVRFS)...
Search relevance: 1.00 | Views last month: 39 | Catalog Last Checked: May 05, 2026 at 09:05 PM -
This digital geospatial data set is a compilation of reference points representing springs in California that were used for the regional ground-water potential map by Bedinger and Harrill (2004)....
Search relevance: 1.00 | Views last month: 38 | Catalog Last Checked: May 05, 2026 at 08:32 PM -
The false-color composite image of the Death Valley regional ground-water flow system (DVRFS), an approximately 100,000 square-kilometer region of southern Nevada and California, was derived...
Search relevance: 1.00 | Views last month: 36 | Catalog Last Checked: May 05, 2026 at 07:41 PM -
This digital data set defines the boundaries of the deserts of the southwestern United States. Those deserts include the Great Basin, Mojave, Colorado, and Sonoran Deserts as defined by Benson...
Search relevance: 1.00 | Views last month: 36 | Catalog Last Checked: May 05, 2026 at 09:01 PM -
The contours in this digital data set represent the regional potentiometric surface developed by Bedinger and Harrill (2004) to assess potential interbasin flow in the Death Valley regional...
Search relevance: 1.00 | Views last month: 30 | Catalog Last Checked: May 05, 2026 at 07:38 PM -
This digital geospatial data set is a compilation of reference points representing wells deeper than 300 meters in Nevada that were used for the regional ground-water potential map by Bedinger...
Search relevance: 1.00 | Views last month: 30 | Catalog Last Checked: May 05, 2026 at 08:04 PM -
This digital geospatial data set is a compilation of reference points representing springs in Nevada that were used for the regional ground-water potential map by Bedinger and Harrill (2004). ...
Search relevance: 1.00 | Views last month: 30 | Catalog Last Checked: May 05, 2026 at 07:56 PM -
This digital data set is a compilation of reference points representing surface-water features, ground-water levels, and topographic settings in California that were used for the regional...
Search relevance: 1.00 | Views last month: 30 | Catalog Last Checked: May 05, 2026 at 08:44 PM -
This digital data set defines the flow-system boundary encompassing the regional ground-water flow model by D'Agnese and others (1997). The boundary encompasses an approximately 50,000...
Search relevance: 1.00 | Views last month: 25 | Catalog Last Checked: May 05, 2026 at 09:17 PM -
These contours represent the simulated potentiometric surface at the end of simulation (1998) in model layer 1 of the Death Valley regional ground-water flow system (DVRFS), an approximately...
Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: May 05, 2026 at 07:27 PM -
This digital data set is a compilation of reference points representing surface-water features, ground-water levels, and topographic settings in Nevada that were used for the regional...
Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: May 05, 2026 at 07:31 PM -
This digital data set represents discharge areas in the Death Valley regional ground-water flow system (DVRFS) transient model. Natural ground-water discharge occurs by way of evapotranspiration...
Search relevance: 1.00 | Views last month: 22 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This EnviroAtlas dataset describes the percentage of a 15-m...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 06, 2026 at 12:20 AM -
This digital data set is a historical definition of the extent (approximately 42,600 square-kilometers) and lateral boundary of the Death Valley regional ground-water flow system (modified from...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 05, 2026 at 09:16 PM -
This data layer provides access to Superfund National Priority List Sites as part of the CIMC web service. Superfund is a program administered by the EPA to locate, investigate, and clean up worst...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 06, 2026 at 12:37 AM -
This dataset summarizes impairment status for HUC12 watersheds at the CONUS scale using the EPA publicly available Assessment, Total Maximum Daily Load (TMDL) Tracking and Implementation System...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 08:17 PM
