Columbia, Sauk County, Wisconsin
LW19, LW21
1179900
90.60 - 115.81
25.21
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of the Wisconsin River has been listed on the state's 303(d) impaired waters list since 1998 for Mercury and PCBs. Evaluation of bug communities in the 2022 cycle found them in good condition. New water quality data reviewed in the 2024 cycle indicated no additional pollutants.Pollutant
PCBs
Listed For
Fish Consumption
Impairments
PCBs 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
530
Listing Date
4/1/2008
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
530
Listing Date
4/1/1998