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