Mill Creek IA 06-LSR-1617
from confluence with Whiskey Cr. (east line S29 T94N R41W O'Brien Co.) to confluence with West Branch Mill Cr. in S4 T95N R41W O'Brien Co.
Assessment Comments
Assessment is based on results of an October 1994 IDNR stream use assessment conducted in O'Brien County.
Basis for Assessment
SUMMARY: The Class B(LR) aquatic life uses remain assessed as "fully supported / threatened" (minor impacts). The assessment category, however, is changed from "monitored" to "evaluated." EXPLANATION: Continue to use the assessment developed for the 1998 and 2000 reports that was based on results of the 1994 IDNR stream use assessment. However, because these data are now considered too old (greater than five years) to accurately characterize current water quality conditions, the assessment category is changed from "monitored" (indicating an assessment with relatively high confidence) to "evaluated" (indicating an assessment with relatively low confidence).
Assessment Key Dates
| 10/1/1994 | 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 |
| Causes | Use Support | Cause Magnitude | Sources | Source Magnitude |
|---|---|---|---|---|
| Other habitat alterations | Overall Use Support | Not Impairing |
|
|
| Other habitat alterations | Aquatic Life Support | Not Impairing |
|
|