Impaired Water - Manitowoc River (Manitowoc River)
Calumet, Manitowoc County, Wisconsin
MA02, MA05
71000
20.74 - 35.81
15.07
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This stretch of the river, from Clarks Mills dam to the confluence of the North and South branches hosts a smallmouth bass fishery, but also has a known infestation of rusty crayfish. The river in this stretch is listed as an impaired water for PCBs in river bottom sediment.

Assessments of new data during the 2020 listing cycle showed temperature levels appropriate for healthy aquatic communities like plants, fish, and bugs. Available fish and bug sample data were in good condition.
Listing Details
Pollutant
PCBs
Listed For
Fish and Aquatic Life
Impairments
PCB Contaminated Sediments, PCBs Contaminated Fish Tissue
Current Use
WWSF - Warmwater Sport Fishery
Listing Status
303d Listed
Attainable Use
WWSF - Warmwater Sport Fishery
Priority
Low
Designated Use
WWSF - Warmwater Sport Fishery
303(d) ID
262
Listing Date
4/1/1998