Impaired Water - Oconto River (Oconto River)
Oconto County, Wisconsin
GB03
440200
0.00 - 9.94
9.94
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of the Oconto River was put on the impaired waters list in 1998 for mercury in fish tissue. Over assessment cycles 2014, 2018, 2020, 2022, and 2024 the system was evaluated for phosphorus, chloride, and biology; levels were appropriate for healthy aquatic communities, reflected in excellent bug health scores. This river segment is attaining recreation use.
Listing Details
Pollutant
PFOS
Listed For
Fish Consumption
Impairments
PFOS 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
2024-36
Listing Date
4/1/2024
 
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
173
Listing Date
4/1/1998