Iowa DNR
ADBNet

Water Quality Assessments

Impaired Waters List

East Nishnabotna River IA 05-NSH-1415

from confluence with Fisher Cr. (S27, T69N, R40W, Fremont Co.) to Page/Montgomery county line

Assessment Cycle
1992
Release Status
Final
Result Period
1988 - 1990
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 05-NSH-0020_2
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Fish Consumption
Fully
Documentation
Assessment Comments

Assessment is based on results from the DNR monthly water quality monitoring station at Hwy 59 near Shenandoah.

Basis for Assessment

Had 1 of 36 samples exceed WQC for TRC (=FST).  All fish contams < 1/2 FDA action levels (but barely).

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
Causes and Sources of Impairment
Causes Use Support Cause Magnitude Sources Source Magnitude