Manitowoc County, Wisconsin
MA01
67200
37.41
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Hartlaub Lake was evaluated every two-year cycle from 2016 to 2024; phosphorus levels were too high. This lake was part of the Pine Creek Watershed 9-Key Element Plan. This water is part of the Northeast Lakeshore TMDL, approved in 2023.Pollutant
Total Phosphorus
Listed For
Recreation
Impairments
Impairment Unknown, Excess Algal Growth
Current Use
Restricted Recreation
Listing Status
TMDL Approved
Attainable Use
Recreation
Priority
Not Applicable
Designated Use
Recreation
303(d) ID
2016-195
Listing Date
4/1/2016
Impaired Water Notes
This water was assessed during the 2018 listing cycle; total phosphorus sample data exceed 2018 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use, however chlorophyll data do not exceed REC or FAL thresholds.
Date
7/11/2017
Impaired Water Notes
This water was assessed during the 2016 listing cycle; total phosphorus sample data exceed 2016 WisCALM listing thresholds for the Recreation use, however, chlorophyll data do not exceed REC thresholds. Total phosphorus and chlorophyll data do not exceed Fish and Aquatic Life thresholds.
Date
7/31/2015
Impaired Water Notes
This water was assessed during the 2022 listing cycle; total phosphorus sample data exceed 2022 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use, however chlorophyll data only exceeded REC thresholds.
Date
5/26/2021