St. Louis Region Bioassessments
| Stream | County | Study Year(s) |
|---|---|---|
| Dardenne Creek | St. Charles | 2002 |
| Dardenne Creek | St. Charles | 2005 - 2006 |
| Dardenne Creek | St. Charles | 2008 - 2009 |
| Dardenne Creek | St. Charles | 2014 - 2015 |
| Fox Creek | St. Louis | 2014 |
| Mill Creek | Lincoln | 2008 |
| Peruque Creek | St. Charles, Warren | 2003 |
| Peruque Creek | St. Charles, Warren | 2014 - 2015 |
| Tiff Creek and Koen Creek | Jefferson, St. Francois | 2013 - 2014 |