Langlade County, Wisconsin
CW22
1445600
279.17
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Summit Lake was placed on the 303(d) impaired waters list due to mercury levels in fish tissue.
This water was assessed during the 2014 listing cycle; total phosphorus and chlorophyll sample data clearly met 2014 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use.
This water was assessed during the 2016 listing cycle; total phosphorus and chlorophyll sample data were clearly below 2016 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use.
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.Pollutant
Mercury
Listed For
Fish Consumption
Impairments
Mercury Contaminated Fish Tissue
Current Use
Specific Restricted Fish Consumption
Listing Status
303d Listed
Attainable Use
General Fish Consumption Advice
Priority
Low
Designated Use
General Fish Consumption Advice
303(d) ID
477
Listing Date
4/1/1998