Iowa DNR
ADBNet

Water Quality Assessments

Impaired Waters List

2018 Assessment Summary - Category 4 - Water is impaired or threatened and a TMDL has been completed or is not needed

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 (Category 5 of the Integrated Report).

Note: Mouse over (or click on a mobile device) the icon for descriptions of those field values. Additional information can be found in the reference codex.
NS
Not Supported
PS
Partially Supported
WINOFI
Water In Need of Further Investigation
A1
Recreation: Primary contact
A2
Recreation: Secondary contact
A3
Recreation: Children's contact
BCW1
Aquatic Life: Cold Water Type 1
BCW2
Aquatic Life: Cold Water Type 2
BLW
Aquatic Life: Lakes and wetlands
BWW1
Aquatic Life: Warm Water Type 1
BWW2
Aquatic Life: Warm Water Type 2
BWW3
Aquatic Life: Warm Water Type 3
C
Drinking Water
HH
Human Health
GenUse
General Use water
OIW
Outstanding Iowa Water
4a
Pollutant-caused impairment. TMDL has been completed.
4c
Non-pollutant caused impairment. No TMDL needed.
4d
Pollutant-caused fish kill. No TMDL needed and administrative action taken against responsible party.
Waterbody ADB Code Type Use Support Code Cause of Impairment Listing Info