Kewaunee County, Wisconsin
TK03
90700
0.37 - 2.63
2.26
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This water is covered by the Northeast Lakeshore TMDL, approved in 2023.Pollutant
Arsenic
Listed For
Public Health and Welfare
Impairments
Acute Aquatic Toxicity
Current Use
Human Health Risks Exist
Listing Status
303d Listed
Attainable Use
Not used as a public drinking water supply
Priority
Low
Designated Use
Not used as a public drinking water supply
303(d) ID
2020-003
Listing Date
4/1/2020
Impaired Water Notes
The unspecified metal has been identified as arsenic from contaminated sediment in the marsh. From page 66 of the 2018 summary report: "Sediment samples collected from the mouths of the sloughs exceed the Probable Effect Concentration of 33 mg/Kg [for arsenic]...". This impairment listing of chronic aquatic toxicity is being changed to Arsenic from Unspecified Metals. Water column Arsenic samples exceed Human Cancer Criteria as well.
Date
4/26/2019
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Approved
Attainable Use
WWFF - Warmwater Forage Fishery
Priority
Not Applicable
Designated Use
WWFF - Warmwater Forage Fishery
303(d) ID
2016-026
Listing Date
4/1/2016
Impaired Water Notes
This water was assessed during the 2016 listing cycle; total phosphorus sample data exceed 2016 WisCALM listing criteria for the Fish and Aquatic Life use, however, no biological data (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scores) were available to assess biological impairment).
Date
8/28/2015
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus sample data exceed 2018 WisCALM listing criteria for the Fish and Aquatic Life use, however, no biological data (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scores) were available to assess biological impairment.
Date
4/14/2017
Pollutant
Unspecified Metals
Listed For
Fish and Aquatic Life
Impairments
NA
Current Use
Unsupported Aquatic Life
Listing Status
Pollutant Removed
Attainable Use
WWFF - Warmwater Forage Fishery
Priority
Delisted 2020
Designated Use
WWFF - Warmwater Forage Fishery
303(d) ID
218
Listing Date
4/1/1998
Impaired Water Notes
The unspecified metal has been identified as arsenic from contaminated sediment in the marsh. From page 66 of the 2018 summary report: "Sediment samples collected from the mouths of the sloughs exceed the Probable Effect Concentration of 33 mg/Kg [for arsenic]...". This impairment listing of chronic aquatic toxicity is being changed to Arsenic from Unspecified Metals.
Date
4/26/2019
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
218
Listing Date
4/1/1998