| River name | River abbreviation |
| Apple River | AL |
| Bad Axe River | BX |
| Black River | BK |
| Bob's Creek | BC |
| Cache River | CR |
| Cahokia Creek | CA |
| Cannon River | CN |
| CatFish Creek | CF |
| Chippewa River | CH |
| Coon Creek | CC |
| Cuivre River | CU |
| Dardenne Creek | DC |
| Elk River | ER |
| Galena River | GA |
| Headwaters Diversion | HD |
| Illinois River | I |
| La Crosse River | LX |
| LaMoines River | LM |
| Mackinaw River | MK |
| Maquoketa River | MQ |
| Mill Creek | MC |
| Mississippi River | M |
| Missouri River | MO |
| Peruque Creek | PE |
| Piasa Creek | PI |
| Plum River | PR |
| Quiver Creek | QV |
| Rock Creek | RK |
| Root River | R0 |
| Rush Creek | RC |
| Sangamon River | SG |
| Spoon River | S0 |
| Tete de Mortes Creek | TM |
| Turkey River | TK |
| Upper Iowa River | UI |
| Vermillion River | VM |
| Wapsipinicon River | WP |
| Wells Creek | WC |
| Whitewater River | WW |
| Wisconsin River | WS |
| Wood River | WD |
| Yellow River | YL |
| Last updated on:
January 13, 2005
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