Vilas County, Wisconsin
UW45
1619700
270.33
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Pickerel Lake was evaluated for phosphorus and algae every two years between 2014 and 2024. In the 2020 cycle algal levels were found to be too high, which was reflected in algal blooms; this was confirmed in the 2022 cycle. Pollutant
Unknown Pollutant
Listed For
Recreation
Impairments
Excess Algal Growth
Current Use
Restricted Recreation
Listing Status
303d Listed
Attainable Use
Recreation
Priority
Low
Designated Use
Recreation
303(d) ID
2020-132
Listing Date
4/1/2020
Impaired Water Notes
This water was assessed during the 2020 listing cycle; chlorophyll sample data exceeded 2020 WisCALM listing thresholds for the Recreation use.
Date
8/5/2019
Impaired Water Notes
This water was assessed during the 2020 listing cycle; chlorophyll sample data exceeded 2020 WisCALM listing thresholds for the Recreation use. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
6/1/2021