Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Upper Iowa River IA 01-UIA-236

mouth (Allamakee Co.) to Lane's Bridge at river mile 6 (NW 1/4 S31 T100N R4W Allamakee Co.).

Assessment Cycle
1994
Result Period
1990 - 1992
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 01-UIA-0090_0
Overall Use Support
Fully
Aquatic Life Use Support
Fully
Fish Consumption
Fully
Primary Contact Recreation
Fully
Documentation
Assessment Comments

Assessment is based on DNR monthly fixed monitoring station near Dorchester.

Basis for Assessment

Assessed as PS for 1994 report due to 3 of 6 valid samples exceeding Class A criterion.

Monitoring and Methods
Assessment Key Dates
Methods
230 Fixed station physical/chemical (conventional plus toxic pollutants)
420 Water column surveys (e.g. fecal coliform)
Monitoring Levels
Biological 0
Habitat 0
Physical Chemistry 3
Toxic 0
Pathogen Indicators 0
Other Health Indicators 0
Other Aquatic Life Indicators 0
# of Bio Sites 0
BioIntegrity N/A