Lincoln County, Wisconsin
UW34
1506800
1,219.96
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Spirit River Flowage was placed on the 303(d) list in 1998 due to mercury in fish tissue.
Spirit River Flowage was evaluated for phosphorus and algae every two years between 2012 and 2024. Phosphorus levels were found to be too high, which was reflected in algal blooms.Pollutant
Total Phosphorus
Listed For
Recreation
Impairments
High Phosphorus Levels, Excess Algal Growth
Current Use
Restricted Recreation
Listing Status
TMDL Development
Attainable Use
Recreation
Priority
High
Designated Use
Recreation
303(d) ID
2012-2009
Listing Date
4/1/2012
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus sample data exceeded 2018 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use; chlorophyll data only exceeded REC thresholds, not FAL.
Date
7/14/2017
Impaired Water Notes
This lake was assessed during the 2012 listing cycle, and total phosphorus sample data exceed criteria for the recreational use.
Date
3/1/2013
Impaired Water Notes
This water was assessed during the 2014 listing cycle; total phosphorus sample data exceed 2014 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
3/24/2014
Impaired Water Notes
This water was assessed during the 2016 listing cycle; total phosphorus sample data exceeded 2016 WisCALM listing thresholds for the Recreation, however, chlorophyll data do not exceed REC thresholds. Total phosphorus and chlorophyll data clearly met thresholds for Fish and Aquatic Life use.
Date
10/19/2015
Impaired Water Notes
This water was assessed during the 2020 listing cycle; new total phosphorus sample data overwhelmingly exceeded 2020 WisCALM listing thresholds for the Recreation use and Aquatic Life use; new chlorophyll-a data also exceeded REC use.
Date
8/8/2019
Impaired Water Notes
This water was assessed during the 2022 listing cycle; new total phosphorus sample data overwhelmingly exceeded 2022 WisCALM listing thresholds for the Recreation use and Aquatic Life use; new chlorophyll-a data also exceeded REC use.
Date
5/25/2021
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
451
Listing Date
4/1/1998