Iowa DNR
Iowa DNR

ADBNet

Water Quality Assessments
Impaired Waters List

Silver Creek IA 06-LSR-1594

mouth (S13 T88N R39W Ida Co.) to confluence with South Silver Cr. in S9 T88N R39W Ida Co.

Assessment Cycle
1994
Result Period
1990 - 1992
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 06-LSR-0107_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Documentation
Assessment Comments

Assessment is based on results of July 1992 IDNR stream use assessments conducted in Ida county.

Basis for Assessment

Stream assessment form indicates channelization, pasture use, and flow stability are major causes of habitat degradation.  Frequent stream bank erosion noted.   Some coarse substrate providing a little diversity of habitat.

Monitoring and Methods
Assessment Key Dates
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