NRCS conservationists working with a landowner in eastern South Dakota.

Environmental Protection Agency.

"Provides the general public, regulators, medical and water professionals, academia, and media, with information about drinking water and ground water programs authorized under the Safe Drinking Water Act. The Hotline responds to factual questions in the following program areas:

  • Local drinking water quality
  • Drinking water standards
  • Public drinking water systems
  • Source water protection
  • Large capacity residential septic systems
  • Commercial, and industrial septic systems
  • Injection wells
  • Drainage wells

There is a list of frequently asked questions you can review. You can submit your question via the Web site, by telephone, or mail.

Virginia Polytechnic Institute and State University. Virginia Water Resources Research Center.

Provides access to Virginia Tech's database of experts, as well as a listing of water hotlines and other information sources.

EPA. Region 5.

Experts from the environmental agency's Region 5, including Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin and 35 Tribes, answer questions within their region.

DOI. United States Geological Survey.

Answers questions about groundwater, lakes, rivers as well as volcanoes, earthquakes, mountains, rocks, and maps. See the site for terms of use.

University of Hawaii. Department of Geology and Geophysics.

Will answer questions on hydrology and the environment (and other topics). Check the site for terms of use. There's also a list of previously asked questions and answers.

Pennsylvania State University. Institutes of the Environment.

Finds experts in water resources and other environmental fields.

University of Minnesota. Water Resources Center.

A listing of Water Resources Science faculty, by area of emphasis, at the University of Minnesota.

University of Arizona Water Resources Research Center.

A database of experts in various water fields from Arizona State University, Northern Arizona University, and the University of Arizona.

IUCN. Species Survival Commission

Contact information for animal and plant conservation experts browsable through extensive, taxa-based directory; includes fisheries experts.