Addison Creek at Bellwood, Il
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Aux Sable Creek near Morris, Il
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Bay Creek at Pittsfield, Il
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Big Bureau Creek at Princeton, Il
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Big Muddy River at Murphysboro, Il
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Blackberry Creek near Montgomery, Il
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Blackberry Creek near Yorkville, Il
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Boneyard Creek at Lincoln Ave at Urbana, Il
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Buffalo Creek near Wheeling, Il
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Butterfield Creek at Flossmoor, Il
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Cahokia Creek at Edwardsville, Il
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Chicago Sanitary and Ship Canal nr Lemont, Il
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Clinton Lake near Lane, Il
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Copper Slough at Champaign, Il
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Deer Creek near Chicago Heights, Il
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Des Plaines River at Riverside, Il
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Des Plaines River at Route 53 at Joliet, Il
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Des Plaines River at Russell, Il
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Des Plaines River near Des Plaines, Il
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Du Page River at Shorewood, Il
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E Br Du Page River near Downers Grove, Il
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East Branch Du Page River at Bolingbrook, Il
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East Fork Shoal Creek near Coffeen, Il
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Edwards River near New Boston, Il
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Farm Creek at Farmdale, Il
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Ferson Creek near St. Charles, Il
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Fondulac Creek near East Peoria, Il
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Fox River at Algonquin, Il
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Fox River at Dayton, Il
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Fox River at Montgomery, Il
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Green River near Geneseo, Il
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Henderson Creek near Oquawka, Il
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Hickory Creek at Joliet, Il
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Illinois River at Henry, Il
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Illinois River at Kingston Mines, Il
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Illinois River at Marseilles, Il
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Illinois River at Meredosia, Il
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Illinois River at Valley City, Il
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Judy's Branch at Rte 157 at Glen Carbon, Il
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Kankakee River at Momence, Il
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Kankakee River near Wilmington, Il
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Kaskaskia River at Chesterville, Il
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Kickapoo Creek at Waynesville, Il
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Kress Creek at West Chicago, Il
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La Moine River at Ripley, Il
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Little Calumet River at South Holland, Il
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Little Kickapoo Creek near Heyworth, Il
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Mackinaw River near Congerville, Il
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Mackinaw River near Green Valley, Il
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Macoupin Creek near Kane, Il
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Mazon River near Coal City, Il
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Mc Donald Creek near Mount Prospect, Il
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Mill Creek at Milan, Il
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Mill Creek near Batavia, Il
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Nb Chicago River at Albany Avenue at Chicago, Il
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North Branch Chicago River at Deerfield, Il
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North Branch Chicago River at Niles, Il
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Piasa Creek near Melville, Il
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Pope Creek near Keithsburg, Il
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Poplar Creek at Elgin, Il
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Rock River at Byron, Il
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Salt Creek at Elmhurst, Il
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Salt Creek at Rolling Meadows, Il
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Salt Creek at Western Springs, Il
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Salt Creek at Wood Dale, Il
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Salt Creek near Elk Grove Village, Il
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Sangamon River at Fisher, Il
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Sangamon River at Rt 48 at Decatur, Il
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Shoal Creek near Breese, Il
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Shoal Creek near Pierron, Il
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Skokie River at Lake Forest, Il
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South Branch Kishwaukee River at Dekalb, Il
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South Branch Kishwaukee River near Fairdale Il
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South Fork Sangamon River near Rochester, Il
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Spring Brook at 87th Street near Naperville, Il
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Sugar Creek at Milford, Il
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Sugar Creek near Bloomington, Il
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Thorn Creek at Thornton, Il
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Tyler Creek at Elgin, Il
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Vermilion River near Leonore, Il
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W Branch Du Page River nr West Chicago, Il
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Weller Creek at Des Plaines, Il
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West Br Du Page River near Warrenville, Il
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West Branch Du Page River near Naperville, Il
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West Okaw River near Lovington, Il
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Wf of Nb Chicago River at Northbrook, Il
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