Impaired Water - Little Bearskin Lake (Little Bearskin Lake)
Oneida County, Wisconsin
UW37
1523500
184.08
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Little Bearskin Lake was evaluated for phosphorus and algae every two years from 2014 to 2022. Phosphorus levels were found to be too high for healthy plant, bug, and fish communities. This lake was listed for phosphorus in 2016. Phosphorus is proposed for removal based on the 2024 assessment results.
Listing Details
Pollutant
Unknown Pollutant
Listed For
Fish and Aquatic Life
Impairments
Degraded Aquatic Vegetation
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Default - Fish and Aquatic Life
Priority
Low
Designated Use
Default - Fish and Aquatic Life
303(d) ID
2024-29
Listing Date
4/1/2024
 
Pollutant
Total Phosphorus
Listed For
Impairments
NA
Current Use
Listing Status
Pollutant Removed
Attainable Use
Priority
Delisted 2024
Designated Use
303(d) ID
2016-228
Listing Date
4/1/2016
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new chlorophyll sample data were clearly below 2018 WisCALM listing thresholds for the Recreation use and the Fish and Aquatic Life use. Total Phosphorus sample data were not clearly below listing thresholds.
Date
7/13/2017

Impaired Water Notes
This water was assessed during the 2016 listing cycle; total phosphorus sample data exceed 2016 WisCALM listing thresholds for the Recreation use, however, chlorophyll data do not exceed REC thresholds. Total phosphorus and chlorophyll data do not exceed Fish and Aquatic Life thresholds.
Date
8/3/2015

Impaired Water Notes
Phosphorus levels were clearly below criteria, but one more year of data collection is recommended before delisting.
Date
6/25/2021