Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

2016 Impaired Waters Map

Category 5
The State's Section 303(d) list of impaired waters. The waterbody is impaired and a total maximum daily load (TMDL) is needed.
Category 4
The waterbody is impaired but a TMDL is not required or a TMDL has already been completed. The waterbody is not included on the State’s section 303(d) list of impaired waters.
Segments
Category 4 Lakes, Reservoirs, and Wetlands
Category 5 Lakes, Reservoirs, and Wetlands
Category 4 River Segments
Category 5 River Segments
20 mi
Esri, USGS | County of Story, Iowa DNR, Esri, TomTom, Garmin, FAO, NOAA, USGS, EPA, NPS, USFWS
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