East Branch West Nishnabotna River IA 05-NSH-1823
mouth (S29 T77N R39W Pottawattamie Co.) to confluence with unnamed outlet tributary from Prairie Rose Lake in S5 T78N R38W Shelby 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-0140_1
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Documentation
Assessment Comments
Stream use assessment in October 1991.
Basis for Assessment
Stream assessment form indicates fairly good habitat. Stream is meandering in some areas and extensively channelized in others Channel bends and woody debris provide some diversity of habitat and structure. Relatively good diversity of fish and good numbers of fish including good channel catfish population. Fish community is threatened by channelization impacts and sediment.
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 |