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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 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... -
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
Continuous water quality sensor data from the main channel and a backwater of the Upper Mississippi River from 2015-2018
Department of the Interior —
This dataset includes high-frequency sensor data collected during four consecutive summers from buoys deployed at main channel and backwater sites in Pool 8 of the... -
Federal
Datasets for the U.S. Geological Survey - Idaho National Laboratory groundwater and surface-water monitoring networks, v1.1
Department of the Interior —
A collection of analysis-ready datasets for the U.S. Geological Survey - Idaho National Laboratory (USGS-INL) groundwater and surface-water monitoring networks,... -
Federal
Data for monitoring trace metal and benthic community near the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay, California (ver. 3.0, July 2025)
Department of the Interior —
Trace-metal concentrations in sediment and in the clam Macoma petalum (World Register of Marine Species, 2025; formerly reported as Limecola balthica and M. petalum),... -
Federal
Depth-to-water contours for Carson Valley, Nevada
Department of the Interior —
This data set contains the depth-to-water contours derived from ground-water monitoring sites in Carson Valley, west-central Nevada. The data set is part of a spatial... -
Federal
Glyphosate and aminomethylphosphonic acid (AMPA) in National Water Quality Network Streams and Rivers in the U.S., Water Years 2015-2017
Department of the Interior —
The U.S. Geological Survey (USGS) National Water Quality Network - Rivers and Streams (NWQN) is comprised of 110 surface-water monitoring sites designed to track... -
Federal
Digital data for the Salinas Valley Geological Framework, California
Department of the Interior —
This digital dataset was created as part of a U.S. Geological Survey study, done in cooperation with the Monterey County Water Resource Agency, to conduct a... -
Federal
Field blank and field replicate datasets for inorganic and organic compounds collected for the National Water Quality Network, water years 2013-17
Department of the Interior —
The U.S. Geological Survey (USGS) National Water Quality Network - Rivers and Streams (NWQN) comprises 117 surface-water monitoring sites designed to track ambient... -
Federal
Ground-water-level contours for Carson Valley, Nevada
Department of the Interior —
This data set contains the ground-water-level contours derived from ground-water monitoring sites in Carson Valley, west-central Nevada. The data set is part of a... -
Federal
Vegetation and Water Monitoring Datasets for selected locations in the Republic of the Marshall Islands from 2017-2022
Department of the Interior —
The Republic of the Marshall Islands (RMI) is a sovereign Small Island State in the tropical central North Pacific Ocean. RMI is a nation of more than thirty atolls... -
Federal
Digital data for 3-D Geologic Framework and Textural Models for Cuyama Valley Groundwater Basin, California
Department of the Interior —
This digital dataset was created as part of a U.S. Geological Survey study in cooperation with the Santa Barbara County Water Agency to conduct a hydrologic resource... -
Federal
Ground-water monitoring sites for Carson Valley, Nevada
Department of the Interior —
This data set contains the monitoring sites where water levels were collected and used to develop a spatial ground-water data base in Carson Valley, west-central... -
Federal
SedCam Model Calibration Imagery Acquired June 2020 to September 2021 at East Branch Brandywine Creek (USGS 01480870)
Department of the Interior —
Two empirical simple linear regression models were developed from SedCam imagery and concurrent physical sediment samples over a 20-month period at the East Branch... -
Federal
Compilation of total dissolved solids concentrations and specific conductance measurements in the Upper Colorado River Basin, 1894 – 2022
Department of the Interior —
This data release contains total dissolved solids (TDS) concentrations and specific conductance (SC) measurements collected at surface-water monitoring locations and... -
Federal
List of paired groundwater and surface-water sites operated by the U.S. Geological Survey in the State of Mississippi and within the Mississippi Alluvial Plain and monitoring shallow groundwater conditions
Department of the Interior —
This file contains site identification information of streamgages and paired wells to the streamgages operated by the U.S. Geological Survey in the State of...