Impaired Water - Twin Lakes (West Twin Lake)
St. Croix County, Wisconsin
SC01
2462300
98.55
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
West Twin Lake was evaluated for phosphorus and algae in 1998. Phosphorus levels were found to be too high, which was reflected in algal blooms. This lake is covered by a restoration plan: Implementation Plan for the Lake St. Croix Nutrient Total Maximum Daily Load (expires 2025).
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Elevated pH , Eutrophication
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
LFF - Limited Forage Fishery
Priority
Low
Designated Use
LFF - Limited Forage Fishery
303(d) ID
671
Listing Date
4/1/1998
Impaired Water Notes
Monthly Monitoring 1993; pH violations: 4 out of 6 samples
Monthly Monitoring 1996; pH violations: 9.55, 10.16
Date
3/25/2002

Impaired Water Notes
This lake is covered by the following restoration plan and was classified as Category 5W as a result: Implementation Plan for the Lake St. Croix Nutrient Total Maximum Daily Load (expires 2025).
Date
7/29/2019