Walnut Creek IA 05-NSH-1450
from confluence with unnamed tributary at the S30/31 line in T73N R38W Montgomery Co. to confluence with unnamed tributary in S3 T76N R38W 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-0100_2
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Documentation
Assessment Comments
Stream use assessment in October 1991.
Basis for Assessment
Stream assessment form indicates old channelization impacts. Mostly fast run habitat, lacking pool habitat. Flow stability is a concern for maintenance of aquatic community. Fish community observed comprised exclusively of cyprinid 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 |