Noteworthy

Local Science Feature:

•  Indiana: Investigations & Monitoring of Mercury

National & Regional Science:

•  Quality of Water from Domestic Wells

Past listings...

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 the 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

Contact us using our online feedback form, by phone, or by mail:

Phone: (703) 648-6862

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, Ask USGS online or call 1-888-ASK-USGS (1-888-275-8747). For media inquiries, the USGS Office of Communications staff is available to the media around-the-clock.

For other national USGS water information, contact the following offices:

• 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.

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.