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Federal
EPA Sole Source Aquifers
U.S. Environmental Protection Agency —
Information on sole source aquifers (SSAs) is widely used in assessments under the National Environmental Policy Act and at the state and local level. A national... -
Federal
National Hydrography Dataset Plus - NHDPlus
U.S. Environmental Protection Agency —
This high-level metadata data document will be supplemented with detailed regional metadata at a later date. The NHDPlusV2 is an integrated suite of application-ready... -
Federal
Streamflow in the United States, 1940–2022
U.S. Environmental Protection Agency —
This map shows percentage changes in the minimum annual rate of water carried by rivers and streams across the country, based on the long-term rate of change from... -
Federal
Surface Water Hg and MeHg Samples, Below Lahontan, 1997-2013, USGS
U.S. Environmental Protection Agency —
The Carson River is a vital water resource for local municipalities and migratory birds travelling the Pacific Flyway. Historic mining practices that used mercury... -
Federal
Surface Water Hg and MeHg Samples, Above Lahontan, 1997-2013, USGS
U.S. Environmental Protection Agency —
The Carson River is a vital water resource for local municipalities and migratory birds travelling the Pacific Flyway. Historic mining practices that used mercury...