Iowa DNR
ADBNet

Water Quality Assessments

Impaired Waters List

Cedar River IA 02-CED-472

from W. Fk. Cedar R. (S4, T90N, R14W, Black Hawk Co.) to lowhead dam at Waverly in NW 1/4, S2, T91N, R14W, Bremer Co.

Assessment Cycle
1998
Release Status
Final
Result Period
1994 - 1996
Designations
Assessment Type
Not Assessed
Integrated Report
Category 0
Legacy ADBCode
IA 02-CED-0070_0
Overall Use Support
Not assessed
Aquatic Life Use Support
Not assessed
Fish Consumption
Not assessed
Documentation
Assessment Comments

Assessment is based on results of IDNR ambient monthly monitoring near Janesville.

Basis for Assessment

Continued to consider the Class B(WW) aquatic life uses as "not assessed" due to lack of recent information on the chemical or biological status of this river reach.

Monitoring and Methods
Assessment Key Dates
Methods
230 Fixed station physical/chemical (conventional plus toxic pollutants)
150 Monitoring data more than 5 years old
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