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.
This is a Legacy Assessment. Prior to 2004, assessments were developed under a methodology that pre-dated the Integrated Report guidelines.
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 |