Columbia County, Wisconsin
LW21, UF10
179500
13.68
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This water was assessed during the 2016 listing cycle; new fish tissue data indicates that this waterbody should be on the impaired waters list because of specific consumption advice for PCBs. Sediment data indicate additional impairments by Mercury and Lead. Pollutant
Mercury
Listed For
Fish and Aquatic Life
Impairments
Mercury Contaminated Sediments
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Default - Fish and Aquatic Life
Priority
Low
Designated Use
Default - Fish and Aquatic Life
303(d) ID
2016-037
Listing Date
4/1/2016
Impaired Water Notes
Sediment samples taken in 2013 from Portage Canal had Mercury concentrations above the sediment guidelines.
Date
9/21/2015
Pollutant
PCBs
Listed For
Fish Consumption
Impairments
PCBs Contaminated Fish Tissue, PCB Contaminated Sediments
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
2016-043
Listing Date
4/1/2016
Impaired Water Notes
This water was assessed during the 2016 listing cycle; new fish tissue data indicates that this waterbody should be on the impaired waters list because of specific consumption advice for PCBs.
Date
8/29/2015
Pollutant
Lead
Listed For
Fish and Aquatic Life
Impairments
Lead Contaminated Sediments
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Default - Fish and Aquatic Life
Priority
Low
Designated Use
Default - Fish and Aquatic Life
303(d) ID
2016-069
Listing Date
4/1/2016
Impaired Water Notes
Sediment samples taken in 2013 from Portage Canal had Lead concentrations above the sediment guidelines.
Date
9/21/2015