When our monitoring programs detect a problem in a lake, river, or stream, we often conduct a special study to diagnose the issue and determine the best way to correct it. In some cases, there is disagreement over whether a problem even exists. The special studies have included investigations into the effects of new lake-level management, unexpected lake-level fluctuations, and the causes of poor water quality.
Many special studies statewide and in Anoka County are TMDL (Total Maximum Daily Load) studies, which are required by the Clean Water Act, administered by the Minnesota Pollution Control Agency and often carried out by local government agencies like the ACD. The Clean Water Act requires that all states identify impaired water bodies (known as a 303(d) list). These impaired waters are subject to certain restrictions until a study is conducted to determine where the pollutants are coming from, how much cleanup will be needed to meet water quality standards, and the best way to accomplish the cleanup.
The data are reported on the MN DNR website.
Examples:
Typo and Martin Lake TMDL Study
- Fact Sheet
- Project Status
ACD Contact: Jamie Schurbon 763-434-2030 x 210