Silver Creek IA 05-NSH-1452
from Hwy 41 (NW 1/4 S5 T71N R41W Mills Co.) to Middle Silver Cr. is S31 T74N R41W Pottawattamie 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 05-NSH-0110_2
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Documentation
Assessment Comments
Stream use assessment in October 1991.
Basis for Assessment
Stream assessment form indicates extensive channelization. Silt & sand substrates dominate. Very little habitat diversity. Low diversity of fish species, dominated by pollution tolerant species.
Monitoring and Methods
Assessment Key Dates
| 10/1/1991 | DNR Stream Use Assessment |
Methods
| 330 | Fish surveys |
| 375 | Visual observation-- may not quantify some parameters-- single season-- by prof. |
Monitoring Levels
| Biological | 3 |
| Habitat | 3 |
| Physical Chemistry | 0 |
| Toxic | 0 |
| Pathogen Indicators | 0 |
| Other Health Indicators | 0 |
| Other Aquatic Life Indicators | 0 |
| # of Bio Sites | 0 |
| BioIntegrity | N/A |