Iowa DNR
ADBNet

Water Quality Assessments

Impaired Waters List

2008 Assessment Summary - WINOFI - Waters In Need Of Further Investigation

The state list of waters in need of further investigation is required by Iowa's Credible Data Law and is comprised of waters in category 3b of Iowa's Integrated Report. WINOFI waters are those where limited information suggests, but does not conclusively demonstrate, a water quality impairment.

The Support column indicates the support level of the designated use for the segment. Where a "Not Supported" or "Partially Supported" is displayed, the use is impaired for one or more other causes.

For purposes of Integrated Reporting to USEPA, Iowa DNR's subcatories 2b, 2b-c, 2b-u, 3b, 3b-c, and 3b-u are considered part of overall IR Category 3: "Not Assessed" due to insufficient information for determining whether any use is met.

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.
2b
At least one use is met with at least one other use potentially impaired based on an "evaluated" assessment.
2b-c
Calibrated
2b-u
Uncalibrated
3a
Insufficient data to determine whether any uses are met: no uses assessed ("evaluated" or "monitored").
3b
Insufficient data to determine whether any designated uses are met but at least one use is potentially impaired based on an "evaluated" assessment.
3b-c
Calibrated
3b-u
Uncalibrated
Waterbody ADB Code Type Segment Overall Category Aquatic Life (Class B) Recreation
Primary Contact (Class A1)		 Recreation
Secondary Contact (Class A2)		 Fish Consumption (Class HH) Drinking Water (Class C)