Cedar River IA 02-CED-477
from upper end of Nashua Impoundment (Chickasaw/Floyd county line (W line S7 T94N R14W Chickasaw Co.)) to Dam No. 2 at Charles City in NW 1/4 NE 1/4 S12 T95N R16W Floyd Co.
This is a Legacy Assessment. Prior to 2004, assessments were developed under a methodology that pre-dated the Integrated Report guidelines.
Assessment Cycle
1996
Result Period
1992 - 1994
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 02-CED-0110_1
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Fish Consumption
Fully
Documentation
Assessment Comments
Assessment is based on results of the following monitoring downstream from Charles City (1) IDNR monthly ambient monitoring and (2) fish tissue (RAFT) monitoring.
Basis for Assessment
No violations of Class B WQ criteria. RAFT sample from 1991 suggests no problems with fish contaminants. Due to presumed threats from NPS pollution, assess Class B uses as FST.
Monitoring and Methods
Assessment Key Dates
Methods
| 230 | Fixed station physical/chemical (conventional plus toxic pollutants) |
| 260 | Fish tissue analysis |
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 |