| County Line Ditch | Louisa, IA | 14.5 miles | SW |
| Eliza Lake Ditch Cutoff | Mercer, IL | 14.6 miles | NW |
| Dolan Ditch | Mercer, IL | 14.9 miles | NW |
| Ives Ditch | Mercer, IL | 14.9 miles | SW |
| Swan Lake Ditch | Mercer, IL | 15.2 miles | NW |
| Main Ditch North | Mercer, IL | 15.6 miles | NW |
| School Ditch | Mercer, IL | 15.6 miles | NW |
| Hampton Ditch | Mercer, IL | 16.8 miles | NW |
| Eagle Ditch | Mercer, IL | 16.9 miles | NW |
| Prentis Ditch | Mercer, IL | 17.4 miles | NW |
| Frieden Ditch | Mercer, IL | 17.6 miles | NW |
| Hawkeye-Dolbee Diversion Channel | Des Moines, IA | 18.8 miles | SW |
| Otter Creek County Ditch | Louisa, IA | 25.5 miles | SW |
| Ditch Number 25 | Louisa, IA | 29.7 miles | NW |
| Le Claire Canal | Scott, IA | 32.1 miles | NE |
| Ellison Creek Diverson Ditch | Henderson, IL | 33.1 miles | SW |
| Wales Ditch | Muscatine, IA | 33.4 miles | NW |
| Goshen Ditch | Muscatine, IA | 33.7 miles | NW |
| Hennepin Canal | Bureau, IL | 34.7 miles | NE |
| Ditch Number 2 | Johnson, IA | 39.1 miles | NW |
| Blue Joint Ditch | Henry, IL | 40.1 miles | NE |
| Acme Ditch | Henry, IL | 41.6 miles | NE |
| Broadbent Lateral Ditch | Henry, IL | 42.7 miles | NE |
| Rogers Ditch | Lee, IA | 42.9 miles | SW |
| Meredosia Ditch | Whiteside, IL | 43.2 miles | NE |
| Old Township Ditch | Lee, IA | 43.2 miles | SW |
| Shabbona Special Ditch | Henry, IL | 44.1 miles | NE |
| Big Slough Ditch | Henry, IL | 44.4 miles | NE |
| Ditch Number 3 | Henry, IL | 45.3 miles | NE |
| Ditch Number 10 | Henry, IL | 45.3 miles | NE |
| Ditch Number 2 | Henry, IL | 45.6 miles | NE |
| Ditch Number 4 | Henry, IL | 46.2 miles | NE |
| Main Ditch | Whiteside, IL | 46.3 miles | NE |
| Ditch Number 5 | Henry, IL | 46.8 miles | NE |
| Annawan Ditch | Henry, IL | 47 miles | NE |
| Graddett Ditch | Henry, IL | 47.1 miles | NE |
| Elm Island Ditch | Henry, IL | 47.8 miles | NE |
| Main Union Special Ditch | Henry, IL | 48.5 miles | NE |
| Kuhn Ditch Number 2 | Henry, IL | 48.8 miles | NE |
| Kuhn Ditch Number 1 | Henry, IL | 49.2 miles | NE |
| Baker Ditch | Henry, IL | 49.6 miles | NE |
| Mineral Marsh Ditch | Henry, IL | 49.6 miles | NE |
| Central Special Ditch | Henry, IL | 49.7 miles | NE |
| Graham Ditch | Henry, IL | 50 miles | NE |
| Barbara Ditch | Bureau, IL | 50.5 miles | NE |
| Wildcat Ditch | Henry, IL | 50.7 miles | NE |
| Goose Pond Ditch | Bureau, IL | 51 miles | NE |
| Roe Ditch | Bureau, IL | 51.1 miles | NE |
| Bureau County Ditch | Bureau, IL | 51.3 miles | NE |
| Fairfield Ditch Number 3 | Bureau, IL | 51.6 miles | NE |
|