Milwaukee County, Wisconsin
MI02, MI03
17700
0.00 - 3.54
3.54
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Noyes Creek was put on the Impaired Waters List in the 2018 cycle for elevated water temperature, the 2020 cycle for chloride causing acute and chronic toxicity, and the 2022 cycle for elevated phosphorus levels. The phosphorus listing is covered by the Milwaukee River TMDL, approved in 2018, and the listing was confirmed in 2024. This water is covered by the Menomonee River Watershed Nine Key Plan, approved in January 2022.Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Approved
Attainable Use
Default - Fish and Aquatic Life
Priority
Not Applicable
Designated Use
Default - Fish and Aquatic Life
303(d) ID
2022-102
Listing Date
4/1/2022
Impaired Water Notes
This water was assessed during the 2022 listing cycle; new phosphorus sample data exceeded 2022 WisCALM listing criteria for Aquatic Life use. This water is covered by the Milwaukee River TMDL, approved in 2018.
Date
6/10/2021
Pollutant
Chloride
Listed For
Fish and Aquatic Life
Impairments
Acute Aquatic Toxicity, Chronic Aquatic Toxicity
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Default - Fish and Aquatic Life
Priority
Medium
Designated Use
Default - Fish and Aquatic Life
303(d) ID
2020-102
Listing Date
4/1/2020
Impaired Water Notes
The 2020 assessments showed continued impairment by temperature and chloride; temperature and chloride sample data exceeded 2020 WisCALM listing criteria for the Aquatic Life use.
Date
7/29/2019
Impaired Water Notes
This water was assessed during the 2022 listing cycle; new chloride sample data exceeded 2022 WisCALM listing criteria for Aquatic Life use.
Date
6/10/2021
Pollutant
Unknown Pollutant
Listed For
Fish and Aquatic Life
Impairments
Elevated Water Temperature
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
2018-220
Listing Date
4/1/2018
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new temperature sample data exceed 2018 WisCALM listing criteria for the Fish and Aquatic Life use.
Date
7/31/2017