The Michigan Dept. of Environmental Quality has developed an online mapping tool that supports a statewide total maximum daily load (TMDL) for E. coli in the state. The tool examines areas that may be at risk for fecal pollution from point and nonpoint sources. The mapper comes with additional educational information about E. coli. Access the E. coli mapper here.
If you’re interested in learning more about E. coli, visit the DEQ website here.