Ashland, Price County, Wisconsin
UC12
2283300
983.22
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Butternut Lake was originally listed in 1998 due to mercury contaminated fish tissue. This listing was confirmed by new fish tissue samples in 2012 and 2016.
This lake was assessed for phosphorus and algae every two-year cycle from 2012 to 2024; impairments of phosphorus and excess algal growth were first found in 2012 and confirmed in the subsequent cycles.Pollutant
Total Phosphorus
Listed For
Recreation
Impairments
Impairment Unknown, Excess Algal Growth
Current Use
Restricted Recreation
Listing Status
303d Listed
Attainable Use
Recreation
Priority
Low
Designated Use
Recreation
303(d) ID
2012-10
Listing Date
4/1/2012
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new chlorophyll sample data exceeded 2018 WisCALM listing thresholds for the Recreation use.
Date
7/12/2017
Impaired Water Notes
This water was assessed during the 2012 listing cycle, and total phosphorus and chlorophyll sample data exceed 2012 WisCALM listing thresholds for the recreation use.
Date
6/16/2011
Impaired Water Notes
This water was assessed during the 2014 listing cycle; chlorophyll sample data exceed 2014 WisCALM listing thresholds for the Recreation use, however, total phosphorus data do not exceed REC thresholds. Total phosphorus and chlorophyll data do not exceed Fish and Aquatic Life thresholds.
Date
3/24/2014
Impaired Water Notes
This water was assessed during the 2016 listing cycle; chlorophyll sample data exceed 2016 WisCALM listing thresholds for the Recreation use, however, total phosphorus were clearly below REC thresholds. Total phosphorus and chlorophyll data were clearly below Fish and Aquatic Life listing thresholds.
Date
10/19/2015
Impaired Water Notes
This water was assessed during the 2022 listing cycle; new phosphorus and chlorophyll sample data nearly exceeded 2022 WisCALM listing thresholds for the Recreation use.
Date
6/1/2021
Pollutant
Mercury
Listed For
Fish Consumption
Impairments
Mercury Contaminated Fish Tissue
Current Use
Specific Restricted Fish Consumption
Listing Status
303d Listed
Attainable Use
General Fish Consumption Advice
Priority
Low
Designated Use
General Fish Consumption Advice
303(d) ID
65
Listing Date
4/1/1998