The United States Environmental Protection Agency (US EPA) is responsible for providing data about our nation's watersheds. Surf Your Watershed is one of their services designed to help you locate, use, and share related environmental information concerning our watersheds. Users can find information by state or refer to the EPA's environmental atlas for links to on-line collections of maps for viewing and interactive thematic mapping (water, air, land, living things).
Example Maps - St Joseph Watershed [HUC: 04050001]
The St. Joseph Watershed spans 2 states - Michigan and Indiana.
St. Joseph County, Mi.
falls entirely within the St. Joseph Watershed.
31 streams and rivers are identified within this system.
In 12 May 1999, this
watershed had
46 documented "303(d)" sites or "areas of concern" -
29 in Indiana; 17 in Michigan.
In January 2000, 45 were noted
- Indiana 12, Michigan 33.
The Index of Watershed Indicators (IWI) score is 3 - Less serious problems; low vulnerability. St. Joseph County, Mi. is currently rated as having more serious water quality problems with high vulnerability.