Illinois Streams Alphabetical Index
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q, R | S | T | U, V | W, X, Y, Z
Illinois "o" Streams
Additions and/or corrections to the database are encouraged! Simple Add/Edit Procedure.
| Displaying 1 to 55 of 55 records | ||
| Name | County | USGS Topo Map |
|---|---|---|
| Oak Branch | Christian | Assumption |
| Oak Creek | Henry | Atkinson |
| Oakley Branch | Jo Daviess | Brodhead West |
| Oakley Branch | Green | Brodhead West |
| O'Brien Run | Grundy | Seneca |
| Ogden Branch | Pope | Stonefort |
| Ogles Creek | St. Clair | Saint Jacob |
| Ohio River | Ballard | Wyatt |
| Old Cache River | Johnson | Karnak |
| Old Cahokia Creek | St. Clair | Monks Mound |
| Old Camp Creek | Marion | Iuka |
| Old Channel | Saline | Harrisburg |
| Old Channel | Pulaski | Tamms |
| Old Channel Big Bureau Creek | Bureau | Depue |
| Old Channel Embarras River | Lawrence | Vincennes |
| Old Channel Mud Creek | Cass | Arenzville West |
| Old Channel Wabash River | Posey | New Harmony |
| Old Hickory Creek | Fayette | Vandalia |
| Old Maeystown Creek | Monroe | Bloomsdale |
| Old Prairie duPont Creek | St. Clair | Webster Groves |
| Old River | Randolph | Chester |
| Old River | Posey | Emma |
| Old Tom Creek | Henderson | Kirkwood West |
| Olive Branch | Woodford | El Paso |
| Olive Branch | Vermilion | Homer |
| O'Neill Branch | La Salle | Ottawa |
| Onemile Race Creek | Monroe | Bloomsdale |
| Onion Creek | Edwards | Albion South |
| Onion Creek | Crawford | Porterville |
| Opossum Creek | Shelby | Fancher |
| Opossum Creek | Shelby | Shelbyville |
| Opossum Creek | Hamilton | Belle Prairie City |
| Opossum Creek | Perry | Pinckneyville |
| Opossum Creek | Cumberland | Union Center |
| Opossum Creek | Hancock | Dallas City |
| Opossum Creek | Shelby | Oconee |
| Orchard Creek | Alexander | Thebes |
| Otter Branch | Montgomery | Ramsey Lake |
| Otter Branch | Cumberland | Woodbury |
| Otter Creek | Ogle | German Valley |
| Otter Creek | Kane | Geneva |
| Otter Creek | Jersey | Nutwood |
| Otter Creek | Macoupin | Hettick |
| Otter Creek | Fulton | Bath |
| Otter Creek | La Salle | Streator North |
| Otter Creek | Whiteside | Thomson |
| Otter Creek | Carroll | Milledgeville |
| Otter Creek | Winnebago | Shirland |
| Overcup Creek | Fayette | Vandalia |
| Owens Creek | Wayne | Albion NW |
| Owens Creek | DeKalb | Fairdale |
| Owl Branch | Jersey | Jerseyville North |
| Owl Creek | Fayette | Hagarstown |
| Owl Creek | Champaign | Fisher |
| Ozark Creek | Johnson | Creal Springs |
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