| Addison Creek At Bellwood, IL |
| Apple River Near Hanover, IL |
| Aux Sable Creek Near Morris, IL |
| Bay Creek At Pittsfield, IL |
| Bear Creek Near Marcelline, IL |
| Big Bureau Creek At Princeton, IL |
| Big Muddy River At Plumfield, IL |
| Big Muddy River At Rte 127 At Murphysboro, IL |
| Big Muddy River Near Mt. Vernon, IL |
| Big Muddy Subimpoundment Near Waltonville, IL |
| Blackberry Creek Near Montgomery, IL |
| Blackberry Creek Near Yorkville, IL |
| Boneyard Creek At Lincoln Ave At Urbana, IL |
| Boneyard Creek At Urbana, IL |
| Bonpas Creek At Browns, IL |
| Boone Creek Near Mc Henry, IL |
| Buffalo Creek Near Wheeling, IL |
| Butterfield Creek At Flossmoor, IL |
| Cache River At Forman, IL |
| Cahokia Creek At Edwardsville, IL |
| Casey Fork At Mount Vernon, IL |
| Casey Fork Subimpoundment Near Bonnie, IL |
| Chicago River At Chicago Lock At Chicago, IL |
| Chicago River At Columbus Drive At Chicago, IL |
| Chicago Sanitary And Ship Canal At Romeoville, IL |
| Chicago Sanitary And Ship Canal At Stickney, IL |
| Chicago Sanitary And Ship Canal Near Lemont, IL |
| Chicago Ss Canal At Lockport Controlling Works, IL |
| Clinton Lake Near Lane, IL |
| Copper Slough At Champaign, IL |
| Crab Orchard Creek Near Marion, IL |
| Crooked Creek Near Hoffman, IL |
| Deer Creek Near Chicago Heights, IL |
| Des Plaines River At Lincolnshire, IL |
| Des Plaines River At Lyons, IL |
| Des Plaines River At River Forest, IL |
| Des Plaines River At Riverside, IL |
| Des Plaines River At Route 53 At Joliet, IL |
| Des Plaines River At Russell, IL |
| Des Plaines River Near Des Plaines, IL |
| Des Plaines River Near Gurnee, IL |
| Des Plaines River Near Lemont, IL |
| Du Page River At Shorewood, IL |
| Du Page River Near Plainfield, IL |
| East Branch Du Page River At Bolingbrook, IL |
| East Branch Du Page River Near Downers Grove, IL |
| East Bureau Creek Near Bureau, IL |
| East Fork Kaskaskia River Near Sandoval, IL |
| East Fork Shoal Creek Near Coffeen, IL |
| Edwards River Near New Boston, IL |
