Impaired Water - Big Lake (Big Lake (Three Lakes Chain))
Oneida County, Wisconsin
UW44
1613000
844.78
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Big Lake has a special fish consumption advisory for mercury in fish tissue.

Big Lake was evaluated for phosphorus and algae every two years between 2014 and 2020. Phosphorus levels were found to be too high, which was reflected in algal blooms.
Listing Details
Pollutant
Total Phosphorus
Listed For
Recreation
Impairments
Eutrophication, High Phosphorus Levels
Current Use
Restricted Recreation
Listing Status
TMDL Development
Attainable Use
Full Body Contact - Swimming, Boating
Priority
High
Designated Use
Full Body Contact - Swimming, Boating
303(d) ID
2014-263
Listing Date
4/1/2014
Impaired Water Notes
This water was assessed during the 2018 listing cycle; total phosphorus sample data overwhelmingly exceeded 2018 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use and chlorophyll data only exceeded FAL thresholds.
Date
7/11/2017

Impaired Water Notes
This water was assessed during the 2014 listing cycle; total phosphorus sample data overwhelmingly 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
1/10/2014

Impaired Water Notes
This water was assessed during the 2016 listing cycle; total phosphorus sample data overwhelmingly exceed 2016 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use and chlorophyll data did not exceed REC and FAL thresholds.
Date
10/19/2015

Impaired Water Notes
This water was assessed during the 2020 listing cycle; new total phosphorus sample data overwhelmingly exceeded 2020 WisCALM listing thresholds for the Recreation use and Aquatic Life use. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
8/2/2019

 
Pollutant
Mercury
Listed For
Fish Consumption
Impairments
Mercury Contaminated Fish Tissue
Current Use
Specific Restricted Fish Consumption
Listing Status
303d Listed
Attainable Use
Unrestricted Fish Consumption
Priority
Low
Designated Use
Unrestricted Fish Consumption
303(d) ID
25
Listing Date
4/1/1998