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Federal
USGS Water-Quality Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
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... -
State
Water Quality Data
State of California —
The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, chemical and... -
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
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... -
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... -
Federal
SWAT - Soil and Water Assessment Tool
Department of Agriculture —
The Soil and Water Assessment Tool (SWAT) is a public domain model jointly developed by USDA Agricultural Research Service (USDA-ARS) and Texas A&M AgriLife... -
Federal
Safe Drinking Water Information System (SDWIS) Federal Reports Advanced Search Tool
U.S. Environmental Protection Agency —
A database where EPA has compiled data on public drinking water systems and whether they have certain drinking water violations. This data is collected by the states... -
Federal
Beach Advisory and Closing Online Notification (BEACON) system
U.S. Environmental Protection Agency —
Beach Advisory and Closing Online Notification system (BEACON) is a colletion of state and local data reported to EPA about beach closings and advisories. BEACON is... -
State
Flowline NGDA
State of Oregon —
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... -
Federal
Office of Water Linked Data
U.S. Environmental Protection Agency —
The Office of Water Linked Data (OWLD) dataset stores EPA Water program information indexed to several National Hydrography Dataset frameworks. Indexing may be... -
State
California Water Rights LIST (Detail Summary List)
State of California —
This list includes detail information about every water rights record in the State Water Resources Control Board's "Electronic Water Rights Information Management... -
Federal
Vertical electrical sounding (VES) geophysical data collected in the Scott M. Matheson Wetlands Preserve Near Moab, Utah
Department of the Interior —
Vertical electrical soundings (VES) are used to develop depth-resolved models of aquifer resistivity by making electrical potential measurements at increasingly... -
Federal
Enforcement and Compliance Information Center - ECIC
U.S. Environmental Protection Agency —
Enforcement and Compliance Information Center - ECIC is a repository of external policy and guidance documents, links to cases and settlements, civil and criminal... -
Federal
Community Actions Tracker
U.S. Environmental Protection Agency —
A database application that tracks projects and milestones for any environmental work associated with Communities and aligned with the Agency's priorities. -
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
Federal
USGS Digital Orthophoto Quadrangles
National Aeronautics and Space Administration —
A Digital Orthophoto Quadrangle (DOQ) is a computer-generated image of an aerial photograph in which the image displacement caused by terrain relief and camera tilt... -
Federal
Ohio River Water Quality Data
U.S. Environmental Protection Agency —
Monthly raw water quality data on alkalinity, hardness, TDS, Turbidity, TOC, pH, and temperature. This dataset is associated with the following publication: Levine,... -
State
California Water Rights Water Use Reported
State of California —
This list includes detail information for WATER USE as reported annually under each water right as stored in the State Water Resources Control Board's "Electronic... -
Federal
1:100,000-scale Digital Line Graphs (DLG) from the U.S. Geological Survey
National Aeronautics and Space Administration —
Digital line graph (DLG) data are digital representations of cartographic information. DLG's of map features are converted to digital form from maps and related... -
State
Surface Water Quality Lines
State of Connecticut —
See full Data Guide here. Surface Water Quality Classifications Set: This dataset is a line and a polygon feature-based layer compiled at 1:24,000 scale that includes...