Water Resources

Data and Tools

The USGS Water Resources Mission Area provides water information that is fundamental to national and local economic well-being, protection of life and property, and effective management of the Nation’s water resources. Below, find data and tools relevant to a wide range of water resources and conditions including streamflow, groundwater, water quality, and water use and availability.

USGS Water Data for the Nation

USGS Water Data for the Nation

Access to water data collected at approximately 1.9 million sites

Get data

Water Quality Portal

Water Quality Portal

Water quality data from state, federal, tribal, and local agencies

Get data
Filter Total Items: 749
Date published: January 1, 2017

Conterminous U.S. mapping of household income at the block group scale adjusted for cost-of-living for the period 2013-2014

Household income is a potential predictor for a number of environmental influences, for example, application of urban pesticides. This product is a U.S. conterminous mapping of block group income derived from the 2010-2014 Census American Community Survey (ACS), adjusted by a 2013 county-level Cost-of-Living index obtained from the Council for Community and Economic Research. The resul

Date published: January 1, 2017

Combined remote sensing and water-balance evapotranspiration estimates (SSEBop-WB) for the conterminous United States

This dataset includes 1km resolution monthly timescale estimates of evapotranspiration (ET) for the 2000-2015 timespan. These new SSEBop-WB estimates were developed by combining a previously published long-term annual average evapotranspiration map based on water balance constraints with the SSEBop remote sensing ET product (see Associated Items). The combination aims to leverage the adva

Attribution: Water Resources
Date published: January 1, 2017

MODFLOW-LGR data sets for the Great Basin carbonate and alluvial aquifer system model version 3.0: Revisions in southwestern Utah and east central Nevada

A new version of previously published steady-state numerical groundwater flow models of the Great Basin
carbonate and alluvial aquifer system (GBCAAS), and was developed in conjunction with U.S. Geological
Survey (USGS) studies in Parowan, Pine, and Wah Wah Valleys, Utah. This version of the model is
considered to be GBCAAS v. 3.0 and supersedes previous versions. This mo

Attribution: Water Resources
Date published: January 1, 2017

Water-quality and streamflow datasets used in Seasonal Kendall trend tests for the Nation’s rivers and streams, 1972-2012 (input)

In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA) project of the National Water-Quality Program. One of the major goals of the NAWQA project is to determine how water-quality conditions change over time. To support that goal, long-term consistent and comparable monitoring has...

Date published: January 1, 2017

GSFLOW model simulations used to evaluate the impact of irrigated agriculture on surface water - groundwater interaction

Watershed-scale coupled surface water (SW) – groundwater (GW) flow modeling was
used to examine changes in streamflow and SW – GW interaction resulting from
irrigation and associated SW diversions and GW pumping. The U.S. Geological Survey
(USGS) model GSFLOW, an integration of the USGS Precipitation-Runoff Modeling
System (PRMS) and the Modular Groun

Attribution: Water Resources
Date published: January 1, 2017

Reductive dechlorination rate data for 4,4'-DDE in sediments of the Palos Verdes Shelf, CA (1981-2010)

Wastes from the world’s largest manufacturer of DDT were released into the Los Angeles County municipal sewer system from 1947 to 1971. Following primary treatment, the effluent was discharged from a submarine outfall system whereupon a portion of the DDT and associated degradation products were deposited in sediments of the Palos Verdes Shelf (PVS). Parent DDT is present only in

Attribution: Water Resources
Date published: January 1, 2017

National Water-Quality Assessment Project replicate surface water and groundwater pesticide data analyzed by the USGS National Water Quality Laboratory schedule 2437, Water Years 2013-15.

Replicate water-quality samples are collected and prepared in the field and analyzed in the laboratory in identical ways so that they are considered to be the same in composition and analysis (Mueller and others, 2015). This data set includes one table of duplicate National Water-Quality Assessment Project (NAWQA) surface water and groundwater samples collected between October 1, 2012

Date published: January 1, 2017

U.S. Geological Survey GAGES-II time series data from consistent sources of land use, water use, agriculture, timber activities, dam removals, and other historical anthropogenic influences

This product is a series of ten datasets containing tabular data from historical time series sources for the 9,067 conterminous United States sites in the U.S. Geological Survey (USGS) Geospatial Attributes of Gages for Evaluating Streamflow II (GAGES-II) dataset. The tables contain time-series data derived from consistent sources of agricultural commodities such as crop types, irriga

Date published: January 1, 2017

Phytoplankton Species Composition, Abundance and Cell Size in San Francisco Bay: Microscopic Analyses of USGS Samples Collected 1992-2014

This Data Release makes available measurements of phytoplankton species composition, abundance and cell size made on samples collected in San Francisco Bay (CA) from April 1992 through March 2014. Phytoplankton samples were collected at 31 stations along a 145-km transect where the variability of salinity, temperature, turbidity and nutrient concentrations reflected a broad range of env

Attribution: Water Resources
Date published: January 1, 2017

Model data for pore network modeling of the electrical signature of solute transport in dual-domain media, U.S. Geological Survey data release: U.S. Geological Survey data release

Pore network simulations were performed to investigate the electrical geophysical
signature of solute-transport in dual-domain media. This data release includes model
results, source code, and laboratory data used in the accompanying paper, as
explained in the upper-level "readme" file.

Attribution: Water Resources
Date published: January 1, 2017

Weathering of Oil in a Surficial Aquifer, Bemidji, MN

The dataset consists of 30-year percentage depletion calculations, hydrocarbon group compositions, organic carbon mass fractions and hydrocarbon concentrations for 16 locations sampled at the Bemidji (MN) oil spill study site. Also included in the dataset are concentrations for 33 individual volatile hydrocarbons from the aforementioned sampling locations.

Attribution: Water Resources
Date published: January 1, 2017

Old vs. new urban: U.S. national mapping of the year of “first development” for urban areas, from 1940-2010.

This product is a 100-meter resolution raster which classifies urban lands in the conterminous United States by the year in which they were “first developed.” The classification is based on housing density by era for 1940-2010 developed by the University of Wisconsin-Madison SILVIS lab. The classification was applied by identifying a housing unit density threshold which...