Polk County, Wisconsin
SC10
2642000
42.23
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Coon Lake was evaluated for phosphorus and algae in 2018. Phosphorus levels were found to be too high, which was reflected in algal blooms. This lake is covered by a restoration plan: Implementation Plan for the Lake St. Croix Nutrient Total Maximum Daily Load (expires 2025).Pollutant
Total Phosphorus
Listed For
Recreation
Impairments
Impairment Unknown
Current Use
Restricted Recreation
Listing Status
303d Listed
Attainable Use
Recreation
Priority
Low
Designated Use
Recreation
303(d) ID
2018-279
Listing Date
4/1/2018
Impaired Water Notes
This water was assessed during the 2018 listing cycle; total phosphorus sample data clearly exceeded 2018 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use.
Date
8/4/2017
Impaired Water Notes
This lake is covered by the following restoration plan and was classified as Category 5W as a result: Implementation Plan for the Lake St. Croix Nutrient Total Maximum Daily Load (expires 2025).
Date
7/29/2019