Impaired Water - Black Earth Creek (Black Earth Creek)
Dane County, Wisconsin
LW17
1248600
11.08 - 16.83
5.75
Condition has improved over time; water is not impaired.
Notes
This segment of Black Earth Creek was evaluated every two-year cycle from 2014 to 2022; phosphorus, temperature, chloride, bug, and fish data were in good condition.
Listing Details
Pollutant
Unknown Pollutant
Listed For
Impairments
NA
Current Use
Listing Status
Water Delisted
Attainable Use
Priority
Delisted 2018
Designated Use
303(d) ID
2016-130
Listing Date
4/1/2016
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus, biological (macroinvertebrate and fish Index of Biotic Integrity (IBI) scores), temperature, and chloride sample data were clearly below 2018 WisCALM listing thresholds for the Fish and Aquatic Life use.
Date
7/28/2017

Impaired Water Notes
This water was assessed during the 2016 listing cycle; biological impairment was observed (i.e. at least one macroinvertebrate or fish Index of Biotic Integrity (IBI) average scored in the poor condition category). Temperature data exceeded 2016 WisCALM listing criteria for the Fish and Aquatic Life use.
Date
8/30/2015