Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Asher Creek IA 02-IOW-736

mouth (S27 T84N R18W Marshall Co.) to confluence with Chicken Cr. in NW 1/4 NE 1/4 S16 T84N R18W Marshall Co.

Assessment Cycle
1994
Result Period
1990 - 1992
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 02-IOW-0247_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Documentation
Assessment Comments

Stream use assessment in Marshall County.

Basis for Assessment

Stream assessment form indicates below average habitat quality.  Very little diversity of substrates and no pool/riffle sequences observed.   Frequent stream bank erosion and sedimentation impacts noted.   Stream is meandering in lower reaches but frequent channelization was observed in general use segment.   Fair diversity of fish observed.   Sampling effectiveness may have been affected by turbidity.

Monitoring and Methods
Assessment Key Dates
6/2/1992 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