Impaired Water - Myrtle Lake (Myrtle Lake)
Vilas County, Wisconsin
UW45
1626000
28.37
Condition has improved over time; water is not impaired.
Notes
Myrtle Lake was evaluated for phosphorus and algae every two years between 2012 and 2024. Phosphorus levels were found to be too high.
Listing Details
Pollutant
Total Phosphorus
Listed For
Impairments
Impairment Unknown
Current Use
Listing Status
Water Delisted
Attainable Use
Priority
Delisted 2024
Designated Use
303(d) ID
2012-3012
Listing Date
4/1/2012
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new chlorophyll sample data were clearly below 2018 WisCALM listing thresholds for the Recreation use and the Fish and Aquatic Life use. Total Phosphorus sample data were not clearly below listing thresholds.
Date
7/13/2017

Impaired Water Notes
This water was assessed during the 2020 listing cycle; total phosphorus sample data exceeded 2020 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use, however chlorophyll data did not exceed REC or FAL thresholds. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
6/19/2019