Bayfield, Douglas County, Wisconsin
SC18
2741600
784.38
Condition has improved over time; water is not impaired.
Notes
Lower Eau Claire Lake was evaluated for phosphorus and algae every two years between 2014 and 2024. Phosphorus levels were found to be too high. 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
Impairments
Impairment Unknown
Current Use
Listing Status
Water Delisted
Attainable Use
Priority
Delisted 2024
Designated Use
303(d) ID
2014-303
Listing Date
4/1/2014
Impaired Water Notes
This water was assessed during the 2018 listing cycle; total phosphorus sample data exceed 2018 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use, however chlorophyll data do not exceed REC or FAL thresholds.
Date
7/11/2017
Impaired Water Notes
This water was assessed during the 2014 listing cycle; total phosphorus sample data exceed 2014 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use, however chlorophyll data do not exceed REC or FAL thresholds.
Date
1/15/2014
Impaired Water Notes
This water was assessed during the 2020 listing cycle; total phosphorus sample data clearly exceeded 2020 WisCALM listing thresholds for the Recreation use and Aquatic Life use, however chlorophyll data were below REC and AL thresholds. This lake is covered by a restoration plan: Implementation Plan for the Lake St. Croix Nutrient Total Maximum Daily Load (2025).
Date
7/24/2019