Impaired Water - Phantom Lake (Phantom Lake)
Waukesha County, Wisconsin
FX06
766000
110.24
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This lake was assessed for phosphorus and algae every two year cycle from 2012 to 2024; elevated phosphorus was identified in 2014 and added to the Impaired Waters List. Phopshorus levels have fluctuated, but not been low enough for delisting. New water quality data reviewed in the 2024 cycle indicated no additional pollutants.
Listing Details
Pollutant
Total Phosphorus
Listed For
Recreation
Impairments
Impairment Unknown
Current Use
Restricted Recreation
Listing Status
TMDL Development
Attainable Use
Recreation
Priority
High
Designated Use
Recreation
303(d) ID
2016-211
Listing Date
4/1/2016
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 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
8/19/2015