Skip to main content
U.S. flag

An official website of the United States government

Trinity-San Jacinto River Basin selected as 5th Integrated Water Science Basin

Studies in this Texas basin will focus on the impacts of climate change and sea level variability in urban environments

Learn more

The new Water Cycle Diagram is now available!

Featuring improved scientific accuracy, design aesthetics, and usability in educational settings

Check out the new diagram

Water conditions change rapidly.

Are you ready?

Get notified with WaterAlert

StreamStats has a new site!

Check out our new one-stop-shop for StreamStats information

Visit

USGS partners in 15 cities to improve urban waterways

Nearly $4 million is being invested to improve water systems and help transform degraded urban riverscapes

Learn more

Looking for current water conditions?

The National Water Dashboard is an interactive, mobile-friendly tool that provides real-time water, weather, and flood information all in one place

Explore the NWD

We're One USGS Water

Together with Science Centers and Regions across the Nation

Our partners

Water Resources Mission Area

Water information is fundamental to national and local economic well-being, protection of life and property, and effective management of the Nation’s water resources. The USGS works with partners to monitor, assess, conduct targeted research, and deliver information on a wide range of water resources and conditions including streamflow, groundwater, water quality, and water use and availability.

USGS Water Data for the Nation

Current streamflow conditions map

Surface-water, groundwater, water-quality, and water-use data collected at approximately 1.9 million sites across all 50 states.

Get data

Message from the Associate Director for Water

Photo of Don Cline

Learn more about the WMA from Dr. Don Cline, the Associate Director for Water Resources.

Read

Popular Water Data and Tools

Explore our science by the topical areas that drive the research and projects conducted by our Programs.

More data and tools

News

link

Water Levels to be Measured in 1,400 Southern Idaho Wells

link

The Past, Present and Future of USGS Streamgages

link

President Proposes Nearly $1.8 Billion for USGS Science in FY 2024

View All

Publications

Assessing Escherichia coli and microbial source tracking markers in the Rio Grande in the South Valley, Albuquerque, New Mexico, 2020–21

The Rio Grande, in southern Albuquerque, New Mexico, is a Clean Water Act Section 303(d) Category 5 impaired reach for Escherichia coli (E. coli). The reach is 5 miles in length, extending from Tijeras Arroyo south to the Isleta Pueblo boundary. An evaluation of E. coli and microbial source tracking markers (human-, canine-, and waterfowl-specific sources) was conducted by the U.S. Geological Surv
By
Water Resources Mission Area, New Mexico Water Science Center

Cross-sectional associations between drinking water arsenic and urinary inorganic arsenic in the US: NHANES 2003-2014

Background: Inorganic arsenic is a potent carcinogen and toxicant associated with numerous adverse health outcomes. The contribution of drinking water from private wells and regulated community water systems (CWSs) to total inorganic arsenic exposure is not clear. Objectives: To determine the association between drinking water arsenic estimates and urinary arsenic concentrations in the 2003-2014
By
Water Resources Mission Area, New England Water Science Center

Evaluation of potential stresses and hydrologic conditions driving water-level fluctuations in well ER-5-3-2, Frenchman Flat, southern Nevada

Well ER-5-3-2 is part of a well network designed to monitor long-term water levels and radionuclide concentrations downgradient from underground nuclear tests that occurred in Frenchman Flat, an area of the U.S. Department of Energy Nevada National Security Site in southern Nevada. Interpretation of monitoring records for well ER-5-3-2 was confounded by previously unexplained water-level fluctuati
By
Water Resources Mission Area, Nevada Water Science Center
View All

Science

link
Water tower, DeKalb County, Georgia

WUDR Cooperative Funding Awards, FY22

The USGS Water-Use Data and Research (WUDR) program is pleased to announce the recipient of the FY22 cooperative award.
By
Water Resources Mission Area, Water Availability and Use Science Program
link

WUDR Cooperative Funding Awards, FY22

The USGS Water-Use Data and Research (WUDR) program is pleased to announce the recipient of the FY22 cooperative award.
Learn More
link
Image Collage of Landsat, pollinator, and volcanologist

Development of a mapper-based Long Island Sound data and research portal (Clearinghouse)

In cooperation with the Long Island Sound Study (LISS) and U.S. Environmental Protection Agency (EPA), the U.S. Geological Survey (USGS) is creating a mapper-based clearinghouse that will provide information on sources of data available throughout the Long Island Sound (LIS) watershed and allow for real-time metadata output and integration into visualization and modeling tools developed through a...
By
Water Resources Mission Area, New York Water Science Center, New York Water Science Center
link

Development of a mapper-based Long Island Sound data and research portal (Clearinghouse)

In cooperation with the Long Island Sound Study (LISS) and U.S. Environmental Protection Agency (EPA), the U.S. Geological Survey (USGS) is creating a mapper-based clearinghouse that will provide information on sources of data available throughout the Long Island Sound (LIS) watershed and allow for real-time metadata output and integration into visualization and modeling tools developed through a...
Learn More
link
Cienega Ranch 1

Cienega Ranch - Semi-desert Native Grassland Restoration

At the Cienega Ranch, near Willcox, Arizona, in the foothills of the Dos Cabeza Mountains, a rancher is working to restore and conserve high- quality native grasslands and critical wildlife habitat, while keeping the land as a working cattle ranch. Our objectives were to estimate the hydrological effect of water harvesting on grassland restoration and quantify how grassland conservation efforts...
By
Water Resources Mission Area, Western Geographic Science Center
link

Cienega Ranch - Semi-desert Native Grassland Restoration

At the Cienega Ranch, near Willcox, Arizona, in the foothills of the Dos Cabeza Mountains, a rancher is working to restore and conserve high- quality native grasslands and critical wildlife habitat, while keeping the land as a working cattle ranch. Our objectives were to estimate the hydrological effect of water harvesting on grassland restoration and quantify how grassland conservation efforts...
Learn More
View All