Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Des Moines River IA 04-UDM-1211

from Center Street Dam in Des Moines to the Interstate 80/35 bridge in S17 T79N R24W Polk Co.

Assessment Cycle
1994
Result Period
1990 - 1992
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 04-UDM-0010_2
Overall Use Support
Partial
Aquatic Life Use Support
Threatened
Fish Consumption
Not assessed
Primary Contact Recreation
Threatened
Drinking Water
Partial
Documentation
Assessment Comments

Basis for Assessment

Class B assessed as FST due to lifting of fish consumption advisory in April 1993 and lack of violations of Class B toxics (except Hg); ISU fish mon continues to show very low levels of chlordane, dieldrin, et al.   Class C assessed as PS:  although 17 of 63 samples had NO3 > 10 mg/l, the mean level was 7.3 w/ a max of 11.7 (= FS); instal NO3 remov.  system = PS.

Monitoring and Methods
Assessment Key Dates
Methods
420 Water column surveys (e.g. fecal coliform)
230 Fixed station physical/chemical (conventional plus toxic pollutants)
260 Fish tissue analysis
270 PWS chemical monitoring (ambient water)
Monitoring Levels
Biological 0
Habitat 0
Physical Chemistry 4
Toxic 0
Pathogen Indicators 0
Other Health Indicators 0
Other Aquatic Life Indicators 0
# of Bio Sites 0
BioIntegrity N/A