Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Des Moines River IA 04-UDM-1214

from upper end of Saylorville Reservior to Fraser Dam in S34 T85N R27W Boone Co.

Assessment Cycle
1994
Result Period
1990 - 1992
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 04-UDM-0030_1
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Fish Consumption
Not assessed
Documentation
Assessment Comments

Basis for Assessment

Again had relativley high frequency of violations of Hg criterion (6 of 8 samples); however, again assessed as FST due to analytical uncertainties.   Reach is heavily fished, but is threatened by siltation from ag.  NPS.

Monitoring and Methods
Assessment Key Dates
Methods
230 Fixed station physical/chemical (conventional plus toxic pollutants)
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