Bayfield County, Wisconsin
SC22
2732600
2,723.56
Condition has remained stable; water is not impaired.
Notes
Namekagon Lake was identified as having excess algal growth from the 2014 to 2018 cycles. Evaluation every two-year cycle from 2018 to 2024 of phosphorus, algae, and aquatic plant data indicated a healthy system. This lake is on the Waters Attaining Standards List.Pollutant
Total Phosphorus
Listed For
Impairments
NA
Current Use
Listing Status
Water Delisted
Attainable Use
Priority
Delisted 2018
Designated Use
303(d) ID
2014-302
Listing Date
4/1/2014
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus and chlorophyll sample data were clearly below 2018 WisCALM listing thresholds for the Recreation use and the Fish and Aquatic Life use. Total Phosphorus criteria for this lake were changed because this lake is no longer considered a Two-Story Fishery Lake. With this change there is no longer a total phosphorus impairment.
Date
7/14/2017
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 2016 listing cycle; total phosphorus sample data exceed 2016 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use, however chlorophyll data do not exceed REC or FAL thresholds.
Date
10/16/2015