Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Cardinal Marsh IA 01-TRK-159

Winneshiek County S7T98NR10W 4 mi NW of Ridgeway.

Assessment Cycle
1994
Result Period
1990 - 1992
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 01-TRK-02285-L_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Documentation
Assessment Comments

Basis for Assessment

Support of the Class B(LW) aquatic life uses was assessed as PS due to impacts of siltation from agricultural nonpoint sources.

Causes and Sources of Impairment
Causes Use Support Cause Magnitude Sources Source Magnitude
Siltation Aquatic Life Support Moderate
  • Agriculture
  • High