Oneida County, Wisconsin
UW40
1018600
134.79
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Snowden Lake was sampled for various PFAS compound and in 2026 was found to have high levels of PFOS in fish tissue and PFOA in the water column. This water was placed on the impaired waters list. Pollutant
PFOS
Listed For
Fish Consumption
Impairments
PFOS Contaminated Fish Tissue
Current Use
Specific Restricted Fish Consumption
Listing Status
Proposed for List
Attainable Use
General Fish Consumption Advice
Priority
Low
Designated Use
General Fish Consumption Advice
303(d) ID
2026-70
Listing Date
4/1/2026
Pollutant
PFOA
Listed For
Public Health and Welfare
Impairments
Human Health Risks - Toxics
Current Use
Human Health Risks Exist
Listing Status
Proposed for List
Attainable Use
Not used as a public drinking water supply
Priority
Low
Designated Use
Not used as a public drinking water supply
303(d) ID
2026-69
Listing Date
4/1/2026