North Fork Black Hawk Creek IA 02-CED-551
mouth (T87N R15W Sec1 Grundy County) to confluence with South Fork Black Hawk Creek(T88N R15W Sec8 Grundy County)
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 02-CED-0383_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Documentation
Assessment Comments
1992 DNR stream use assessment in Grundy county.
Basis for Assessment
Stream assessment form indicates below average habitat quality. Little substrate diversity and few pool/riffle sequences observed. Very shallow and wide stream bed noted. Frequent cases of pasture impacts, raw stream banks and channelization observed. Relatively low diversity of fish, all cyprinid species, observed.
Monitoring and Methods
Assessment Key Dates
| 6/1/1992 | 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 |