Impaired Water - Silver Creek (Silver Creek)
Manitowoc County, Wisconsin
MA01
67300
0.00 - 8.44
8.44
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of Silver Creek was evaluated for phosphorus and biology in the 2014, 2016, 2020, and 2022 cycles. Phosphorus levels were found to be too high resulting in placement on the Impaired Waters List.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
FAL - Fish and Aquatic Life Community
Listing Status
TMDL Development
Attainable Use
WWFF - Warmwater Forage Fishery
Priority
High
Designated Use
WWFF - Warmwater Forage Fishery
303(d) ID
2014-22
Listing Date
4/1/2014
Impaired Water Notes
This water was assessed during the 2022 listing cycle; new total phosphorus sample data exceeded 2022 WisCALM listing thresholds for the Fish and Aquatic Life use. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
5/21/2021

Impaired Water Notes
This water was assessed during the 2014 listing cycle; total phosphorus sample data exceed 2014 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
1/20/2014

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
10/7/2015

Impaired Water Notes
This water was assessed during the 2020 listing cycle; new total phosphorus sample data overwhelmingly exceed 2020 WisCALM listing thresholds 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. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
7/29/2019