Watershed Impaired Waters

Impaired Waters in Watershed (UR09)

Official Name (Click for Details)	Local Name (Click for Map)	Start Mile	End Mile	WBIC	Water Type	County	Pollutant	Impairment	303 Status	Priority
Pine Lake	Pine Lake			779200	Lake	Waukesha	Unknown Pollutant	NA	Water Delisted	Delisted 2008
Oconomowoc Lake	Oconomowoc Lake			849600	Lake	Waukesha	Mercury	NA	Water Delisted	Delisted 2020
Friess Lake	Friess Lake			853200	Lake	Washington	Total Phosphorus	Impairment Unknown, Excess Algal Growth	303d Listed	Low
Friess Lake	Friess Lake			853200	Lake	Washington	Unknown Pollutant	Excess Algal Growth	Pollutant Removed	Delisted 2016
Lac La Belle	Lac La Belle			848800	Lake	Waukesha	Total Phosphorus	Impairment Unknown	303d Listed	Low
Lac La Belle	Lac La Belle			848800	Lake	Waukesha	PCBs	PCBs Contaminated Fish Tissue	303d Listed	Low
Little Friess Lake	Little Friess Lake			853100	Lake	Washington	Unknown Pollutant	Excess Algal Growth	303d Listed	Low
Battle Creek	Battle Creek	1.81	4.56	848300	River	Waukesha	Sediment/Total Suspended Solids	Degraded Habitat	TMDL Approved	Not Applicable
Mason Creek	Mason Creek	0.00	4.11	851100	River	Waukesha	Total Phosphorus	Low DO	TMDL Approved	Not Applicable
Mason Creek	Mason Creek	0.00	4.11	851100	River	Waukesha	Sediment/Total Suspended Solids	Elevated Water Temperature, Degraded Habitat	TMDL Approved	Not Applicable
Mason Creek	Mason Creek	4.11	6.14	851100	River	Washington	Total Phosphorus	Low DO	TMDL Approved	Not Applicable
Mason Creek	Mason Creek	4.11	6.14	851100	River	Washington	Sediment/Total Suspended Solids	Elevated Water Temperature, Low DO	TMDL Approved	Not Applicable
Flynn Creek	Flynn Creek	0.00	5.92	852800	River	Washington	Sediment/Total Suspended Solids	Degraded Habitat	TMDL Approved	Not Applicable
Okauchee Lake	Okauchee Lake			850300	Lake	Waukesha	Total Phosphorus	Impairment Unknown	303d Listed	Low
North Lake	North Lake			850800	Lake	Waukesha	Total Phosphorus	Impairment Unknown	303d Listed	Low