North Raccoon River IA 04-RAC-1140
from confluence with Drainage Ditch 101 (S36 T91N R36W Buena Vista Co.) to confluence with unnamed tributary in S4 T92N R36W Buena Vista Co.
Assessment Comments
Assessment is based on results of an October 1994 DNR stream use assessment.
Basis for Assessment
SUMMARY: The Class B(LR) aquatic life uses remain assessed as "partially supported." EXPLANATION: Continue to use the assessment of support of the Class B(LR) uses developed for the 1996 report. The results of the October 1994 DNR stream use assessment-upon which the previous assessment of the Class B(WW) uses was based ("partially supported")-are approximately 5 years old and thus can be used to assess current water quality conditions. As stated in the assessment developed for the 1998 report, follow-up monitoring is needed in this stream reach to determine the status of aquatic communities and habitats and to determine the degree to which the Class B(LR) uses may be impaired.
Assessment Key Dates
| 10/1/1994 | Biological Monitoring |
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 |