Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Rock Creek IA 01-WPS-366

mouth (S35 T81N R1E Clinton Co.) to bridge crossing at S2/11 T80N R1W Cedar Co.

Assessment Cycle
1994
Result Period
1990 - 1992
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 01-WPS-0090_0
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Documentation
Assessment Comments

Stream use assessment in Cedar County.

Basis for Assessment

Stream assessment form indicates above average habitat quality.  Very diverse substrates and numerous pool/riffle sequences observed.   Isolated pasture use impacts also noted.   Fairly diverse fish community observed.   Rocky substrates hindered seining.

Monitoring and Methods
Assessment Key Dates
9/1/1991 DNR Stream Use Assessment
Methods
330 Fish surveys
375 Visual observation-- may not quantify some parameters-- single season-- by prof.
Monitoring Levels
Biological 0
Habitat 0
Physical Chemistry 0
Toxic 0
Pathogen Indicators 0
Other Health Indicators 0
Other Aquatic Life Indicators 0
# of Bio Sites 0
BioIntegrity N/A