Washington County, Wisconsin
MI04
24400
0.00 - 2.12
2.12
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Lehner Creek was put on the impaired waters list in 1998 for elevated water temperature and degraded habitat caused by total suspended solids. This segment of Lehner Creek was evaluated in 2020, 2022, and 2024; temperature, phosphorus, and bug data showed no impairment. The temperature impairment was removed. The TMDL for suspended solids was approved in 2018 (Milwaukee River Basin TMDL).Pollutant
Sediment/Total Suspended Solids
Listed For
Fish and Aquatic Life
Impairments
Degraded Habitat
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Approved
Attainable Use
Coldwater - aquatic life, spawning
Priority
Not Applicable
Designated Use
Coldwater - aquatic life, spawning
303(d) ID
233
Listing Date
4/1/1998
Impaired Water Notes
The Milwaukee River Watershed TMDL was approved by the EPA on March 9, 2018 and covers waters in the basin impaired for Total Phosphorus, Sediment/Total Suspended Solids, and bacteria (E. coli and Fecal Coliform).
Date
3/9/2018
Impaired Water Notes
This water was assessed during the 2020 listing cycle; new temperature sample data were clearly below 2020 WisCALM listing thresholds for the Aquatic Life use. This impairment is proposed for deletion in the 2020 cycle.
Date
8/9/2019