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Federal
Gulf Coast Network 1976-2025 Water Quality Data from Ten Park Projects as of 2026-02-10
Department of the Interior —
This data package was created 2026-02-10 10:38:31 by NPSTORET and includes selected project, location, and result data. Data contained in the Gulf Coast Network... -
Federal
Great Smoky Mountains National Park 1993-2025 Parkwide Water Quality Survey Data from the GRSM_WQ Project as of 2026-03-04
Department of the Interior —
This data package was created 2026-03-04 09:06:10 by NPSTORET and includes selected project, location, and result data. Data contained in the Great Smoky Mountains... -
Federal
San Francisco Bay Area Network Water Quality Data for Three Projects from 2003-2025 as of 2026-02-17
Department of the Interior —
This data package was created 2026-02-25 10:44:08 by NPSTORET and includes selected project, location, and result data. Data contained in the San Francisco Bay Area... -
Federal
Alaska Geochemical Database Version 4.0 (AGDB4) including best value data compilations for rock, sediment, soil, mineral, and concentrate sample media
Department of the Interior —
The Alaska Geochemical Database Version 4.0 (AGDB4) contains geochemical data compilations in which each geologic material sample has one best value determination for... -
Federal
Great Smoky Mountains National Park 1991-2025 Noland Divide Water Quality Monitoring Data from the GRSM_ND Project as of 2026-03-04
Department of the Interior —
This data package was created 2026-03-04 09:45:35 by NPSTORET and includes selected project, location, and result data. Data contained in the Great Smoky Mountains... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for slope (gwava-s_slop)
Department of the Interior —
This data set represents soil surface slope, in percent times 1000, in the conterminous United States. The data set was used as an input data layer for a national... -
Federal
Shenandoah National Park 1979-2022 Water Quality Data from Seven Projects as of 2025-03-28
Department of the Interior —
This data package was created 2025-03-28 21:29:09 by NPSTORET and includes selected project, location, and result data. Data contained in the Shenandoah National Park... -
Federal
Great Smoky Mountains National Park 1991-2023 Noland Divide Water Quality Monitoring Data from the GRSM_ND Project as of 2024-05-10
Department of the Interior —
This data package was created 2024-10-17 16:33:32 by NPSTORET and includes selected project, location, and result data. Data contained in the Great Smoky Mountains... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for orchards/vineyards (gwava-s_orvi)
Department of the Interior —
This data set represents the percent of orchards/vineyards land cover in the conterminous United States. The data set was used as an input data layer for a national... -
Federal
Probability of Elevated Nitrate Concentrations in Groundwater in the Eagle River Watershed Valley-Fill Aquifer, Eagle County, North-Central Colorado, 2006-2007
Department of the Interior —
This raster data set delineates the predicted probability of elevated nitrate concentrations in groundwater in the Eagle River watershed valley-fill aquifer, Eagle... -
Federal
Miscellaneous 1996-1999 Data for Organic Compounds and Metals in Asan and Santa Rita Springs, Guam
Department of the Interior —
This data package was created 2025-12-03 07:52:46 by NPSTORET and includes selected project, location, and result data. Data are from the Guam Waterworks Authority... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for semiconsolidated sand aquifers (gwava-dw_semc)
Department of the Interior —
This data set represents the presence or absence of semiconsolidated sand aquifers in the conterminous United States. The data set was used as an input data layer for... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for population density (gwava-s_popd)
Department of the Interior —
This data set represents 1990 block group population density, in people per square kilometer, in the conterminous United States. The data set was used as an input... -
Federal
Coastal Groundwater Chemical Data from the North and South Shores of Long Island, New York
Department of the Interior —
Groundwater data were collected in the spring and fall of 2008 from three sites representing different geological settings and biogeochemical conditions within the... -
Federal
Appalachian Highlands Network Published Water Quality Data 2009 Through WY2024 from the APHN_WQ Project as of 2/19/2025
Department of the Interior —
This data package was created 2025-02-19 15:41:53 by NPSTORET and includes selected project, location, and result data. Data contained in the Appalachian Highlands... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for Dunne overland flow (gwava-dw_dun)
Department of the Interior —
This data set represents saturation overland flow estimated by TOPMODEL, in percent of streamflow, in the conterminous United States. The data set was used as an...