Shell Rock River IA 02-SHL-786
from confluence with the Winnebago River (Floyd Co.) to confluence with Rose Cr. in NW 1/4 S8 T97N R18W Cerro Gordo Co.
This is a Legacy Assessment. Prior to 2004, assessments were developed under a methodology that pre-dated the Integrated Report guidelines.
Assessment Cycle
1992
Result Period
1988 - 1990
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 02-SHL-0020_1
Overall Use Support
Not supporting
Aquatic Life Use Support
Not supporting
Fish Consumption
Not assessed
Primary Contact Recreation
Not supporting
Documentation
Assessment Comments
Basis for Assessment
1 of 2 samples exceeded chronic criterion for copper; fecal coliforms exceeded WQC in 8 of 11 valid samples; thus, assess Class B as FST and Class A as NS.
Monitoring and Methods
Assessment Key Dates
| 11/7/2001 | Fixed Monitoring End Date |
| 4/19/2001 | Fixed Monitoring Start Date |
Methods
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 |