Impaired Water - Lake Montanis (Lake Montanis)
Barron County, Wisconsin
LC10
2103200
211.68
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Lake Montanis was evaluated for phosphorus and algae in 2018, 2022, and 2024. Phosphorus levels were found to be too high, which was reflected in algal blooms. This lake is covered by a restoration plan: A Water Quality Strategy for the Land and Waters of the Red Cedar River Basin (expires 2026).
Listing Details
Pollutant
Total Phosphorus
Listed For
Recreation
Impairments
Excess Algal Growth, Eutrophication
Current Use
Restricted Recreation
Listing Status
303d Listed
Attainable Use
Recreation
Priority
Low
Designated Use
Recreation
303(d) ID
2018-268
Listing Date
4/1/2018
Impaired Water Notes
This water was assessed during the 2018 listing cycle; total phosphorus and chlorophyll sample data exceeded 2018 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use.
Date
3/2/2017

Impaired Water Notes
This water was assessed during the 2020 listing cycle; total phosphorus and chlorophyll sample data exceeded 2020 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use. This lake is covered by the following restoration plan and was classified as Category 5W as a result: A Water Quality Strategy for the Land and Waters of the Red Cedar River Basin (2026).
Date
7/23/2019

Impaired Water Notes
This water was assessed during the 2022 listing cycle; chlorophyll sample data exceeded 2022 WisCALM listing thresholds for the Recreation use.
Date
6/1/2021