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Water Quality Data

National Water Information System (NWIS)

• NWIS provides current and historical water-quality data.

Today's Water Conditions

• Water-Quality Watch provides continuous real-time water-quality measurements.

Water-Quality Web Services

• Web services automate sharing of USGS and USEPA water-quality monitoring data.

For More Data

• Additional water-quality data resources are available.

Contact the USGS Office of Water Quality

The U.S. Geological Survey provides scientific and technical expertise, leadership, and coordination in addressing issues concerning the quality of the Nation's water resources. Our scientists:

• Collect, analyze, and interpret water-quality data;
• Engage in field and laboratory research and methods development; and
• Work with local, State, and federal agencies and the citizenry to identify and understand environmental issues and concerns.

Phone: (703) 648-6862

Online: Contact us using our online form for feedback and questions.

Mail:
USGS Office of Water Quality
412-National Center
12201 Sunrise Valley Drive
Reston, VA 20192

While we make every effort to reply to your inquiries as soon as possible, please allow up to seven days for a response.

Contact Information for Other USGS Resources

For general USGS questions, contact Ask USGS online or call 1-888-ASK-USGS (1-888-275-8747).

For other national USGS water information, you can contact:

• USGS Water Resources Discipline
• USGS Office of Ground Water
• USGS Office of Surface Water

For local USGS water information, contact the USGS Water Science Center in your state:

To locate a specific USGS employee, use the Electronic Phone Book.

For media inquiries, the USGS Office of Communications staff is available to the media around-the-clock.

The USGS does not regulate water quality or enforce water-quality standards.

• Report spills or environmental violations to the U.S. Environmental Protection Agency.
• Contact the U.S. Environmental Protection Agency Office of Water for information on water-quality regulations.