CSREES National Water Program
USDA. Cooperative State Research, Education, and Extension Service.
Provides information about the national program and links to water quality information from 10 CSREES regions.

Chesapeake Bay Program
Chesapeake Bay Program.
Provides comprehensive information, including daily news, on the Chesapeake Bay.

Great Lakes National Program Office
Environmental Protection Agency.
Content includes "About the Great Lakes," "Policies and Strategies," "Ecosystems," "Monitoring," and "Toxics Reduction."

Gulf of Mexico Program
Environmental Protection Agency.
Provides a variety of information on the resource and program; see also the Water Quality Information Center's bibliography Hypoxia and Eutrophication in Estuarine Waters.

National Sea Grant
DOC. National Oceanic and Atmospheric Administration.
Information about the program as well as links to the 30 Sea Grant programs across the country.

Environmental Protection Agency
Environmental Protection Agency.
Coordinates regional offices around the nation. Each regional office is "responsible within selected states for the execution of the Agency's programs, considering regional needs and the implementation of federal environmental laws."

• EPA Region 1 Water Topics; water issues, programs, and information in Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont, and ten tribal nations.
  
  
• EPA Region 2 Water Homepage; water issues, programs, and information in New York, New Jersey, Puerto Rico, and the United States Virgin Islands.
  
  
• EPA Region 3 Water Protection Division; covers the states of Delaware, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia. Site includes information on the EPA Chesapeake Bay Program.
  
  
• EPA Region 4 Water Management Division page details water and water quality programs in Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina, and Tennessee.
  
  
• EPA Region 5 Water Homepage; information on water issues covering the states of Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin.
  
  
• EPA Region 6, Protecting Water Quality, has information on regional water quality plans, including those covering the Gulf of Mexico area. The region includes the states of Arkansas, Louisiana, New Mexico, Oklahoma, and Texas.
  
  
• EPA Region 7 Water Division deals with the states of Iowa, Kansas, Missouri, and Nebraska.
  
  
• EPA's Region 8 Water Homepage cover the states of Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming, and 27 Tribal Nations.
  
  
• EPA Region 9 Water Programs covers Arizona, California, Hawaii, Nevada, the Pacific Islands subject to U.S. law, and approximately 140 Tribal Nations. Drinking water, wastewater, and gorundwater programs in the region are highlighted.
  
  
• EPA Region 10 Water Issues includes Alaska, Idaho, Oregon, Washington, and 267 Indian Tribes.

Water-Related Information on Hurricane Katrina
USDA. NAL. Water Quality Information Center.
Covers water-related issues associated with Hurricane Katrina (2005) and other hurricanes.