Little Honeycut Branch - Girder Branch - Town of Dry Fork Piasa Creek East Fork West Fork White Rock Creek - Mount Olive - Wood River Wood River Silver Creek Little Lower Cahokia Creek Regional Watershed Paddock Dry Piasa Creek Creek West Fork Creek Town of Livingston - East Branch Silver Creek Cuivre Island - Wood River Wood River - Marais Temps Clair - Sherry Creek - Little Mississippi River Wood River Silver Creek Boundaries Bolter Island - Mississippi River Cahokia Creek Mississippi River City of Alton - Indian St. Louis Metropolitan Area Lower Big Creek Cuivre River Mississippi River Creek Town of Hamel - City of Silver Creek Highland Indian Camp Creek Silver Lake - Outlet Missouri River Wood River - Mississippi MADISON East Fork McCoy Creek River Mooney Silver Creek Creek Sugar Fork Peruque Creek Burrough's Branch - Town of Fruit - Lower Dardenne Creek Coldwater Creek Cahokia Creek Silver Creek Cowmire Creek - Headwaters Peruque Creek Missouri River Headwaters Town of Marine - Town of Pierron - Coldwater Judys Branch - Silver Creek Sugar Creek July 2010 ST. CHARLES Creek Cahokia Creek Middle Dardenne Creek Wendell Branch - Corlock Branch - Upper Dardenne Creek Maline Creek-Mississippi River Silver Creek East Fork Silver Creek Duckett Creek - Horseshoe Missouri River Lake Buckeye Branch - Creve Coeur Creek Sugar Creek Callaway Creek Greens Chute - CITY Lower Big Femme Missouri River Canteen Creek Spanker Branch Berger Creek Osage OF Sportsman Lake - Creek ST. LOUIS Sugar Creek Clear Branch Schluersburg Creek - ST. LOUIS COUNTY Schoenberger Creek - Middle Big Femme Osage Creek Wildhorse Creek - Bonhomme Deer Creek Mississippi River Schoolhouse Branch - Berger Creek Missouri River Cahokia Creek Mill Creek - Creek Ogles Silver Creek East Branch Creek Little Silver Creek Upper Big Little Boeuf Creek Grand Glaize Creek - Schoenberger Creek Berger Creek Lower Boeuf Creek Meramec River River Des Peres Middle Middle Labadie Creek - Fiddle Prairie du Pont Wolf Branch - Boeuf Creek Lower Missouri River Creek Creek Richland Creek St Johns Creek Gravois Creek Scott Lake - Hamilton Creek - ST. CL AIR Silver Creek Barren Fox Creek - Meramec River Upper Fork Dubois Creek Meramec River Prairie du Pont Stolbery Lake - Creek Richland Creek Loop Creek Middle Sugar Creek - Palmer Creek - Cedar Fork Mississippi River St Johns Creek Meramec River Rayhill Slough Brush Creek - Sugar Creek - Upper Meramec River Upper St Johns Creek Meramec River Richland Creek Boeuf Creek Birch Creek - Douglas Creek Bourbuse River Carr Creek - Jacks Run - Mississippi River West Fork Silver Creek Richland Creek Dyer Pond - Fox Creek - FRANKLIN Kaskaskia River Bourbeuse River Rock Creek Long Prairie du Long Creek Kinney Branch - Roth Creek - Calvey Creek Big River Heads Creek Slash Creek - Red Oak Johnson Branch - Richland Creek Bourbeuse River Meramec River Fountain Creek Creek Big Creek - Meramec River Drumhill Branch - Bourbeuse River Bond Creek - Walters Kaskaskia River Glaize Creek Fountain Creek Creek Wagon Lake - Clates Creek - Rye Creek - Little Mud Creek Meramec River Bourbeuse JEFFERSON Long Lake-Richland Creek River Meissner Island - Lively Branch - Mississippi River Hesterburg Creek - Kaskaskia River Town of Biddleborn - Hoosier Creek - Little Jones Creek-Big River Fountain Creek Belew Creek Rockhouse Creek - Mud Creek Spring Creek Meramec River Meramec River Sandy Creek Prairie du Long Creek Monroe City Boone Creek Creek MONROE South Fork Elm Spring Doza Creek Little Bradley Branch - Mud Creek Branch - Lower Bourbeuse Indian Creek Lower Joachim Creek Horse Creek Meramec River Little Ditch Creek-Big River Black Creek River Indian Creek Dry Creek Maeystown Creek Middle Joachim Creek South Fork Horse Creek Old Maeystown Creek - Mississippi River Paint Creek - Calico Creek - Horse Creek Legend Big River Plattin Creek Prairie Du Rocher Creek - Mississippi River Watershed Boundary, 8-digit HUC Bourbeuse Watershed Boundary, 12-digit HUC Upper Joachim Creek Cuivre Big Rivers & Streams Isle du Bois Creek Peruque-Piasa Shoal County Boundary Tiff Creek - Big River Headwaters I ILLINOIS Cahokia-Joachim Lower Kaskaskia Plattin Creek 0 5 10 Miles Meramec Lower Missouri Sources: East-West Gateway Council of Governments, US Department of Agriculture - Natural Resources MISSOURI Conservation Service, US Geological Survey.