Coralville Reservoir IA 02-IOW-630
Johnson County S22T80NR6W (dam) 3 mi N of Iowa City.
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
Trophic
Eutrophic
Trend
Stable
Legacy ADBCode
IA 02-IOW-0040-L_0
Overall Use Support
Fully
Aquatic Life Use Support
Not assessed
Fish Consumption
Not assessed
Primary Contact Recreation
Fully
Documentation
Assessment Comments
Assessment is based on water quality monitoring.
Basis for Assessment
No violations of Class B(WW) WQC; 2 of 31 samples (=6%=FS) exceeded Class A WQ criteria for fecals. Did have problems at Sandy Beach (6 of 12 samples > Class A WQC after eliminating samples from periods of inundation.
Monitoring and Methods
Assessment Key Dates
Methods
| 230 | Fixed station physical/chemical (conventional plus toxic pollutants) |
| 420 | Water column surveys (e.g. fecal coliform) |
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 |