Silver Creek IA 01-UIA-282
mouth (S2 T99N R10W Winneshiek Co.) to west line of S12 T99N R11W Howard Co.
This is a Legacy Assessment. Prior to 2004, assessments were developed under a methodology that pre-dated the Integrated Report guidelines.
Assessment Cycle
1994
Result Period
1990 - 1992
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 01-UIA-0403_0
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Documentation
Assessment Comments
Stream use assessment in Howard County.
Basis for Assessment
Stream assessment forms indicate fairly good habitat quality. Some diversity of substrates and several pool/riffle sequences observed. Abundant aquatic macrophyte growth noted. Evidence of old pasture use also noted. Fair diversity of fish species observed. Aquatic vegetation hindered seining somewhat.
Monitoring and Methods
Assessment Key Dates
| 8/1/1990 | 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 |