Water Resources

Measuring and Monitoring Water

Hydrologic Instrumentation Facility (HIF)

Hydrologic Instrumentation Facility (HIF)

The HIF provides quality hydrologic equipment and instrumentation

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Streamgaging Basics

Streamgaging Basics

The USGS has a nationwide network of over 8,500 sites that measure streamflow and water levels.

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Filter Total Items: 164
Date published: February 25, 2019
Status: Archived

Turbidity and Other Sediment Surrogates Workshop, Reno, Nevada, 2002

The Turbidity and Other Sediment Surrogates Workshop, sponsored by the Federal Interagency Subcommittee on Sedimentation, was held April 30-May 2, 2002, in Reno, Nevada. This workshop focused on the use of turbidity and other technologies to infer suspended-sediment concentrations in surface water.

Attribution: Water Resources
Date published: February 25, 2019
Status: Active

Water-Quality Quick Links

Looking for data? Maps? Use the links below to quickly access some of the most frequently visited USGS web pages on water quality.

Contacts: Barbara Mahler
Date published: February 25, 2019
Status: Active

Urban Waters Federal Partnership—Bronx and Harlem River Watersheds (New York, N.Y.)

The Harlem and Bronx Rivers provide ecological and social resources in an intensively urban area. Connecting people to rivers requires clean water—the USGS is helping to assess the efficacy of green infrastructure to improve the quality of stormwater that flows into the rivers.

Date published: February 25, 2019
Status: Active

Urban Waters Federal Partnership—Middle Rio Grande (Albuquerque, N. Mex.)

The Valle de Oro National Wildlife Refuge, just 7 miles south of downtown Albuquerque on the Rio Grande, will reconnect people, especially young people, with nature in this highly populated area. The USGS is gathering data that will help gauge the success of habitat restoration efforts.

Contacts: Rebecca Travis
Date published: February 25, 2019
Status: Active

Urban Waters Federal Partnership—Little Calumet River (Northwest Indiana)

The USGS works with a wide range of cooperators to investigate many aspects of water quality. The newly integrated USGS Ohio-Kentucky-Indiana Water Science Center is assisting in furthering urban water-quality research in Northwest Indiana.

Contacts: Paul Buszka
Date published: February 25, 2019
Status: Active

Urban Waters Federal Partnership - Suspended Sediment and Nutrient Delivery to the Gulf of Mexico

Suspended sediment and nutrients from greater San Antonio can affect instream ecological health of the San Antonio River and ultimately impact Gulf of Mexico bays and estuaries. Real-time monitoring in urban and rural parts of the river basin may provide a glimpse into the importance of urban sediment and nutrient sources. Real-time sensors provide a tool to better understand and manage water...

Date published: February 25, 2019
Status: Active

Urban Waters Federal Partnership—Patapsco Watershed (Baltimore, Md. region)

Several watersheds in the Baltimore region have elevated PCB loads in tidal waters. Local jurisdictions are responsible for reducing PCB loading from their watersheds. The USGS is embarking on a pilot study in the Patapsco watershed that will help determine sources of PCBs and will demonstrate innovative monitoring and analysis techniques for more efficient use of mitigation resouces.

Date published: February 24, 2019
Status: Active

Urban Waters Federal Partnership—Middle Blue River Basin (Kansas City, Mo.)

Reconnecting people and water is an increasingly important goal in many urban areas. Parks, urban trails, boat ramps, and urban agriculture all are ways that an urban population can interact with nature and improve quality of life.  USGS is participating in gathering the information that will make these projects possible.

Date published: February 24, 2019
Status: Active

National Water-Quality Project Sampling Methods

USGS National Water Quality Assessment (NAWQA) studies require analyses of stream and bed-sediment samples for major ions, nutrients, sediments, and organic contaminants that are consistent across time and space. Procedures have been designed specifically to produce...

Contacts: Barbara Mahler
Attribution: Water Resources
Date published: February 24, 2019
Status: Archived

Regional SPARROW Model Assessments of Streams and Rivers

Regional SPARROW Model Assessments of Streams and Rivers (archived) includes models (and supporting data) that were developed for seven large regions of the conterminous United States. Results from the models can be used to compare nutrient sources and watersheds that contribute elevated nutrient loads to...

Attribution: Water Resources
Date published: February 24, 2019
Status: Archived

Changes in Nutrient and Sediment Concentrations in Streams and Rivers of the United States, 1993-2003

This archived site contains information about the USGS study of trends and changes in total phosphorus concentrations, total nitrogen concentrations, streamflow, phosphorus and nitrogen loading from manure and fertilizer, and nitrogen loading from atmospheric deposition in streams and rivers across the nation from 1993 to 2003.

Attribution: Water Resources
Date published: February 24, 2019
Status: Active

USGS Groundwater News

The latest groundwater science and news from the U.S. Geological Survey, issued monthly since May 2017.

Attribution: Water Resources