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Federal
Great Lakes Environmental Database (GLENDA)
U.S. Environmental Protection Agency —
The Great Lakes Environmental Database (GLENDA) houses environmental data collected by EPA Great Lakes National Program Office (GLNPO) programs that sample water,... -
State
2019 California Water Quality Status Report
State of California —
The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition of the report... -
State
Ground Water - Water Quality Results
State of California —
Groundwater quality data and related groundwater well information available on the page was queried from the GAMA Groundwater information system (GAMA GIS). Data... -
Federal
Seneca Lake, Cayuga Lake and the Seneca River (New York) sewage no-discharge zone, 2015, EPA HQ OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any... -
MS4 Storm Sewer Outfalls
District of Columbia —
The dataset contains locations and attributes of the MS4 outfalls created as part of the Federal MS4 Permit. GPS outfall locations were captured by DC Water, then DC... -
Federal
Mission Bay (California) sewage no-discharge zone, 1976, EPA HQ OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any... -
Federal
Estimated Annual Agricultural Pesticide Use for Counties of the Conterminous United States, 2013-17 (ver. 2.0, May 2020)
Department of the Interior —
This data release provides estimates of annual agricultural use of pesticide compounds in counties of the conterminous United States, for years 2013-17, compiled by... -
Federal
Huntington Harbor and Sunset Bay (California) sewage no-discharge zone, 1976, EPA HQ OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any... -
Federal
Richardson Bay (California) sewage no-discharge zone, 1987, EPA HQ OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any... -
Federal
Channel Islands Harbor (California) sewage no-discharge zone, 1979, EPA HQ OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any... -
State
California's Groundwater Update 2020 (Bulletin 118)
State of California —
California's Groundwater Update 2020 (CalGW) is California's foremost technical publication on groundwater in the state of California. CalGW, formally known as... -
Federal
Noble Jim Thompson Current Profile Time Series
National Oceanic and Atmospheric Administration, Department of Commerce —
Current profile data from Downward-looking ADCP #00 on MODU Noble Jim Thompson, 2.804000e+01N, 8.944000e+01W, 2005/05/10 00:07 through 2005/07/04 23:57 -
Federal
EnviroAtlas -- St. Louis, MO -- Meter-Scale Urban Land Cover Data (MULC) Data (2016)
U.S. Environmental Protection Agency —
The EnviroAtlas St. Louis, Missouri Meter-Scale Urban Land Cover (MULC) dataset comprises 4188 km2 around the city of St. Louis and surrounding land in parts of... -
Federal
Walton-Smith CTD, WS19266, WS19266_WS19266_Deck_test, 2019-09-19, 25.7313N 80.162W
National Oceanic and Atmospheric Administration, Department of Commerce —
Walton-Smith Conductivity, Temperature, Depth (CTD) - WS19266 - WS19266_WS19266_Deck_test - 2019-09-19 - 25.7313N 80.162W. Hydrographic Measurements in the Gulf of... -
Federal
State waters within Florida Keys National Marine Sanctuary, 2002, EPA HQ OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any... -
Federal
EnviroAtlas - Watershed Index Online Hydrologically Connected Zone Mask for the Conterminous United States
U.S. Environmental Protection Agency —
The Hydrologically Connected Zone (HCZ) Mask was determined using grid analysis to combine surface water features in the United States from three datasets: First, the... -
Federal
EnviroAtlas - 2012 Land Cover by 12-digit HUC for Puerto Rico and the US Virgin Islands
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage of land area that is classified as natural, forest, wetland, agricultural, natural, and developed land cover using... -
Federal
EnviroAtlas - Watershed Index Online Water Mask for the Conterminous United States
U.S. Environmental Protection Agency —
This data layer represents all surface water features in the United States. This grid was created by combining water features identified in two sources, the 2019... -
Federal
Northern Coastal Bays (Maryland) sewage no-discharge zone, 2002, EPA HQ OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any...