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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... -
Federal
USGS Water Use Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in... -
Federal
USFWS National Wetlands Inventory NGDA
Department of the Interior —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
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... -
Wetland Inventory
District of Columbia —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
Federal
USGS Groundwater 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... -
Federal
Water Quality Portal
Department of Agriculture —
The Water Quality Portal (WQP) is a cooperative service sponsored by the United States Geological Survey (USGS), the Environmental Protection Agency (EPA), and the... -
Federal
Environmental Monitoring and Assessment Program (EMAP)
U.S. Environmental Protection Agency —
The Environmental Monitoring and Assessment Program (EMAP) was a national research program run by EPA’s Office of Research and Development from 1990 to 2008 to... -
Federal
USGS Surface-Water 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
Microplastic and Microparticle Data from Surface Water: San Francisco Bay and Adjacent Sanctuaries
State of California —
The San Francisco Estuary Institute and 5 Gyres completed a comprehensive regional study of microplastic pollution of a major urban estuary and adjacent ocean... -
Federal
ATTAINS Assessments
U.S. Environmental Protection Agency —
State water quality assessment decisions reported to EPA under the Integrated Report (IR), and Clean Water Act Sections 303(d) and 305(b). This service provides... -
Federal
Matagorda Bay, TX (G280) Bathymetric Digital Elevation Model (30 meter resolution) Derived From Source Hydrographic Survey Soundings Collected by NOAA
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetry for Matagorda Bay was derived from twenty-three surveys containing 250,396 soundings. Six overlapping, older, less accurate surveys were omitted, and the... -
Federal
Chesapeake Bay (M130) Bathymetric Digital Elevation Model - NOAA/NOS Estuarine Bathymetry
National Oceanic and Atmospheric Administration, Department of Commerce —
A 1/3 arc-second Mean Lower Low Water bathymetric DEM of NOS hydrographic survey data in the Chesapeake Bay Estuary. -
Federal
US estuaries
U.S. Environmental Protection Agency —
GIS Shapefile with distance to shore and window width calculated for each US estuary and subestuary. This dataset is associated with the following publication:... -
Wetland Types
District of Columbia —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
Federal
Savannah River, GA/SC (S120) Bathymetric Digital Elevation Model (30 meter resolution) Derived From Source Hydrographic Survey Soundings Collected by NOAA
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetry for the Savannah River was derived from nine surveys containing 34,353 soundings. Two older, overlapping, less accurate surveys were omitted before tinning... -
Federal
Estuarine Salinity Zones in US East Coast, Gulf of Mexico, and US West Coast from 1999-01-01 to 1999-12-31 (NCEI Accession 0127396)
National Oceanic and Atmospheric Administration, Department of Commerce —
These unprojected (geographic coordinates) 3-Zone Average Annual Salinity Digital Geographies are based on analysis of long-term salinity data for 147 estuaries of... -
Federal
CAGES_Mississippi_CPUE_Trawl_study_DATA_1977
National Oceanic and Atmospheric Administration, Department of Commerce —
Estuaries are important in supporting much of the fishery production in the Gulf of Mexico, but this support appears to vary widely among different estuarine systems.... -
Federal
Digitized images of sea floor video on the inner continental shelf off the northern Oregon and southern Washington coast from U.S. Geological Survey field activity 1998-014-FA
Department of the Interior —
Two 21-day field operations were conducted in 1997 and 1998 in the estuaries and on the inner continental shelf off the northern Oregon and southern Washington coast.... -
Federal
National Centers for Coastal Ocean Science (NCCOS) long-term monitoring: Regional Ecological Assessments and National Benthic Inventory (NCEI Accession 0202842)
National Oceanic and Atmospheric Administration, Department of Commerce —
The NCCOS Regional Ecological Assessments (REA) and NOAA National Benthic Inventory (NBI) include observations of water quality, sediment quality, fish and shellfish...