Oneida County, Wisconsin
UW42
1597800
92.89
Condition has improved over time; water is not impaired.
Notes
Echo Lake was impaired for mercury in fish tissue from 1998 to 2016. Aquatic plant communities of Echo Lake were evaluated in the 2022 cycle and data indicated a healthy system. This lake is on the Healthy Waters List.Pollutant
Mercury
Listed For
Impairments
NA
Current Use
Listing Status
Water Delisted
Attainable Use
Priority
Delisted 2016
Designated Use
303(d) ID
472 (in part)
Listing Date
4/1/1998
Impaired Water Notes
This water was assessed during the 2016 listing cycle; new fish tissue data confirms that the statewide advisory is sufficient because mercury concentrations fall in the range of the general advisory.
Date
8/19/2015