Impaired Water - Unnamed (Un. Creek (Brown Deer Creek)(T08n R22e Sw Nw 07))
Milwaukee County, Wisconsin
MI02
19700
0.00 - 2.30
2.30
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Brown Deer Creek was identified as impaired in 2018 for chloride causing aquatic toxicity for organisms in the stream. This stream was also identified as impaired in 2020 for high phosphorus levels, which was confirmed during the 2022 cycle. This stream is on the Impaired Waters List.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
Supported Aquatic Life
Listing Status
303d Listed
Attainable Use
WWFF - Warmwater Forage Fishery
Priority
Low
Designated Use
WWFF - Warmwater Forage Fishery
303(d) ID
2020-078
Listing Date
4/1/2020
Impaired Water Notes
This water was assessed during the 2022 listing cycle; new total phosphorus sample data exceed 2022 WisCALM listing criteria for the Fish and Aquatic Life use, however, no biological data were available to assess biological impairment.
Date
4/14/2021

Impaired Water Notes
This water was assessed during the 2020 listing cycle; new total phosphorus sample data exceed 2020 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
7/2/2019

 
Pollutant
Chloride
Listed For
Fish and Aquatic Life
Impairments
Acute Aquatic Toxicity, Chronic Aquatic Toxicity
Current Use
Supported Aquatic Life
Listing Status
303d Listed
Attainable Use
WWFF - Warmwater Forage Fishery
Priority
Low
Designated Use
WWFF - Warmwater Forage Fishery
303(d) ID
2018-016
Listing Date
4/1/2018
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new chloride sample data exceed 2018 WisCALM listing criteria for the Fish and Aquatic Life use.
Date
6/30/2017