Iowa DNR
ADBNet

Water Quality Assessments

Impaired Waters List

2016 Assessment Summary - Category 4 - Water is impaired or threatened but a TMDL 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.
PS
Partially Supporting
NS
Not Supporting
A1
Recreation: Primary contact
A2
Recreation: Secondary contact
A3
Recreation: Children's contact
B(CW1)
Aquatic Life: Cold Water Type 1
B(CW2)
Aquatic Life: Cold Water Type 2
B(LW)
Aquatic Life: Lakes and wetlands
B(WW-1)
Aquatic Life: Warm Water Type 1
B(WW-2)
Aquatic Life: Warm Water Type 2
B(WW-3)
Aquatic Life: Warm Water Type 3
C
Drinking Water
HH
Human Health
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