Iowa DNR
ADBNet

Water Quality Assessments

Impaired Waters List

Volga River IA 01-VOL-289

mouth (S36 T92N R4W Clayton Co.) to confluence with Cox Cr. in S21 T92N R5W Clayton Co.).

Assessment Cycle
1992
Result Period
1988 - 1990
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 01-VOL-0010_1
Overall Use Support
Partial
Aquatic Life Use Support
Not assessed
Fish Consumption
Not assessed
Primary Contact Recreation
Partial
Documentation
Assessment Comments

Assessment is based on results from DNR monthly monitoring station near Elkport, Clayton County.

Basis for Assessment

Class A use was assessed as PS due to 2 of 9 valid samples with FC bacteria > Class A WQC (22% violation = PS).

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