Iowa DNR
ADBNet

Water Quality Assessments

Impaired Waters List

Impairments Delisted from Iowa's 2020 impaired waters list

These waters are proposed for removal from Iowa’s previous (2020) list of impaired waters. A rationale for each proposed delisting is provided.

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.
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
Waterbody ADB Code Type Cycle
Listed
Impaired Use Cause/Stressor Data Source Rationale Current
IRCat