Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Walnut Creek IA 05-NSH-1449

mouth (S8 T69N R41W Fremont Co.) to confluence with unnamed tributary at the S30/31 line in T73N R38W Montgomery Co.

Assessment Cycle
1994
Result Period
1990 - 1992
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 05-NSH-0100_1
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Documentation
Assessment Comments

Three stream use assessments in 1991.

Basis for Assessment

Stream assessment forms indicate old channelization impacts.  Little diversity in substrate and few pool/riffle sequences in most reaches.   One reach with very good habitat NW of Red Oak.  Fish community dominated by cyprinids and catfish species.  Sucker species not observed.

Monitoring and Methods
Assessment Key Dates
1/1/1991 DNR Stream Use Assessment
Methods
330 Fish surveys
375 Visual observation-- may not quantify some parameters-- single season-- by prof.
Monitoring Levels
Biological 3
Habitat 3
Physical Chemistry 0
Toxic 0
Pathogen Indicators 0
Other Health Indicators 0
Other Aquatic Life Indicators 0
# of Bio Sites 0
BioIntegrity N/A