Vilas County, Wisconsin
UW43
1016800
34.90
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Shannon Lake was put on the Impaired Waters List in the 1998 cycle for mercury in fish tissue. Evaluation of aquatic plants during the 2022 and 2024 cycles showed good conditions.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
424
Listing Date
4/1/1998