Impaired Water - Lower Clam Lake (Clam Lake, Lower)
Sawyer County, Wisconsin
UC23
2429300
213.74
Condition has improved over time; water is not impaired.
Notes
Lower Clam Lake was evaluated for phosphorus and algae in the 2014, 2016, 2020, 2022, and 2024 cycles. In the 2016 and 2022 cycles an algal impairment was found, but in 2020 and 2024 information showed algal levels were good. This lake is on the Waters Attaining Standards List.
Listing Details
Pollutant
Unknown Pollutant
Listed For
Impairments
NA
Current Use
Listing Status
Water Delisted
Attainable Use
Priority
Delisted 2020
Designated Use
303(d) ID
2016-260
Listing Date
4/1/2016
Impaired Water Notes
This water was assessed during the 2016 listing cycle; chlorophyll sample data exceed 2016 WisCALM listing thresholds for the Recreation use, however, total phosphorus data do not exceed REC thresholds. Total phosphorus and chlorophyll data do not exceed Fish and Aquatic Life thresholds.
Date
8/7/2015

Impaired Water Notes
This water was assessed during the 2020 listing cycle; new chlorophyll sample data were clearly below 2020 WisCALM listing thresholds for the Recreation use and the Aquatic Life use.
Date
8/12/2019