Water Resources

Aquatic Biology and Ecosystems

Regional Stream Quality Assessment (RSQA)

Regional Stream Quality Assessment (RSQA)

Studying water-quality factors that stress aquatic life

Learn more

Surface Water and Ecology

Surface Water and Ecology

Research on water quality of rivers and streams

Learn more

National Water Census: Environmental Flows

National Water Census: Environmental Flows

What flows are needed to sustain ecosystems?

Learn more
Filter Total Items: 61
Date published: March 3, 2019
Status: Active

Hydroacoustics

Since the early 1980s the USGS has worked cooperatively with manufacturers to develop and enhance the use of acoustic Doppler instruments for streamflow and other hydraulic measurements. This site provides information on hydroacoustic technology, instruments, and their use.

Attribution: Water Resources
Date published: March 3, 2019
Status: Active

Nutrients and Eutrophication

Like people, plants need nutrients, but too much of a good thing can be a problem. Nutrients, such as nitrogen and phosphorus, occur naturally, but most of the nutrients in our waterways come from human activities and sources—fertilizers, wastewater, automobile exhaust, animal waste. The USGS investigates the source, transport, and fate of nutrients and their impacts on the world around us....

Attribution: Water Resources
Date published: March 3, 2019
Status: Active

Urban Land Use and Water Quality

Wherever you live, there’s a creek or stream near you. The eighty percent of Americans who live in metropolitan areas are often unaware of the network of urban creeks—many teeming with life—that weaves through our cities and town. Nowhere are the environmental changes associated with urban development more evident than in urban streams.

Contacts: Barbara Mahler
Date published: March 3, 2019
Status: Active

Integration of sUAS into Hydrogeophysical Studies: Technology Demonstration and Evaluation

The USGS is evaluating the integration of small unoccupied aircraft systems – sUAS or "drones" –  into USGS hydrogeophysical studies. The following projects are part of a Water Resources Mission Area demonstration and evaluation effort in collaboration with USGS Water Science Centers (WSCs) starting in June 2018.

Contacts: Cian Dawson
Date published: March 3, 2019
Status: Active

Office of the Delaware River Master

In 1954, the U.S. Supreme Court issued a Decree in State of New Jersey v. State of New York and City of New York in which the Court established the position of the Delaware River Master.  The Court directed that the River Master perform multiple duties and functions including administering the provisions of the Decree relating to yields, diversions, and releases; conserving the waters of the...

Attribution: Water Resources
Date published: March 3, 2019
Status: Active

Sediment Acoustics

The U.S. Geological Survey recognizes the need to provide sediment acoustic training and to develop standardized techniques and practices.

Attribution: Water Resources
Date published: March 2, 2019
Status: Active

National Atmospheric Deposition Program (NADP)

Since 1981, the USGS has been the lead Federal agency for the monitoring of wet atmospheric deposition (chemical constituents deposited from the atmosphere via rain, sleet, and snow) for the interagency National Atmospheric Deposition Program. NADP monitoring networks provide long-term, high-quality atmospheric deposition data used to support research and decision-making.

Attribution: Water Resources
Date published: March 2, 2019
Status: Active

National Water Census: Environmental Flows

Environmental water studies refer to understanding the quantity, timing, and quality of water flows, as well as the water levels and storage required to sustain freshwater and estuarine ecosystems and the human livelihoods that depend on these ecosystems. The concept of ‘environmental flows’ in stream ecology are the basis of these studies, but they go beyond the understanding of surface flows...

Attribution: Water Resources
Date published: March 2, 2019
Status: Active

Agriculture and the Quality of the Nation's Waters

Intensive studies by the USGS National Water-Quality Assessment (NAWQA) Project in agricultural areas provide insight into how agricultural activities have altered the natural flow of water and the way that agricultural chemicals enter streams and aquifers, and in particular how nutrients affect algal and invertebrate communities in agricultural streams.

Attribution: Water Resources
Date published: March 2, 2019
Status: Active

Agricultural Contaminants

About 40 percent of the land in the United States is used for agriculture, and agriculture supplies a major part of the our food, feed, and fiber needs. Agricultural chemicals move into and through every component of the hydrologic system, including air, soil, soil water, streams, wetlands, and groundwater.

Attribution: Water Resources
Date published: March 2, 2019
Status: Active

Large Oil Spills

Oil spills, such as the 2010 Deepwater Horizon Oil Spill, are impactful environmental disasters that have long lasting effects to the landscape, native species, and inhabitants who depend on the area. The USGS explores the adverse effect that large-scale oil spills have on the environment and helps responders prepare for environmental recovery and rehabilitation.

Attribution: Water Resources
Date published: March 1, 2019
Status: Active

Coal-Tar-Based Pavement Sealcoat, PAHs, and Environmental Health

Sealcoat is the black, viscous liquid applied to many asphalt parking lots, driveways, and playgrounds in North America to protect and enhance the appearance of the underlying asphalt. Coal-tar-based pavement sealcoat is a potent source of polycyclic aromatic hydrocarbon (PAH) contamination in urban and suburban areas and a potential concern for human health and aquatic life.

Contacts: Barbara Mahler
Attribution: Water Resources