| Big Ditch | Union, SD | 13.9 miles | NW |
| Pigeon Creek Ditch | Dakota, NE | 18.6 miles | SE |
| Omaha Creek Ditch | Dakota, NE | 20.8 miles | SE |
| Farmers Canal | Woodbury, IA | 24.4 miles | SE |
| Farmers Ditch | Woodbury, IA | 25.9 miles | SE |
| Sand Hill Lake Ditch | Monona, IA | 30 miles | SE |
| Boyer Ditch | Woodbury, IA | 31.5 miles | SE |
| Yankton Clay Ditch | Clay, SD | 31.6 miles | NW |
| Clay Creek Ditch | Clay, SD | 32.2 miles | NW |
| Garretson Ditch | Woodbury, IA | 32.2 miles | SE |
| Swanson Ditch | Monona, IA | 34.3 miles | SE |
| Wolf Creek Drainage Ditch | Woodbury, IA | 35 miles | SE |
| Logan Creek Dredge | Cuming, NE | 35 miles | SW |
| Farmers Ditch | Woodbury, IA | 35.2 miles | SE |
| Farmers Garretson Outlet Ditch | Monona, IA | 36.8 miles | SE |
| Weber Ditch | Woodbury, IA | 37.4 miles | SE |
| West Fork Ditch | Monona, IA | 37.9 miles | SE |
| Cottonwood Ditch | Woodbury, IA | 38.1 miles | SE |
| Linscott Ditch | Monona, IA | 38.4 miles | SE |
| Tom King Ditch | Monona, IA | 39.5 miles | SE |
| Garretson Outlet Ditch | Monona, IA | 39.5 miles | SE |
| Noble Ditch | Turner, SD | 40.3 miles | NW |
| McCandless Cleghorn Ditch | Monona, IA | 40.7 miles | SE |
| Bonine Ditch | Turner, SD | 40.8 miles | NW |
| Haitz Ditch | Monona, IA | 40.9 miles | SE |
| Flynn Dickerson Ditch | Clay, SD | 41.1 miles | NW |
| Klepke Ditch | Turner, SD | 41.3 miles | NW |
| Myrland Ditch | Monona, IA | 41.3 miles | SE |
| Pratt Ditch | Monona, IA | 42.1 miles | SE |
| Murphy Ditch | Monona, IA | 42.2 miles | SE |
| Losey Ditch | Monona, IA | 43.1 miles | SE |
| Hackett Ditch | Monona, IA | 44 miles | SE |
| Kaiser Ditch | Cedar, NE | 45.1 miles | NW |
| Dry Ditch | Cuming, NE | 45.2 miles | SW |
| Mears Ditch | Turner, SD | 45.4 miles | NW |
| Ditch Number Eight | Lincoln, SD | 47.7 miles | NW |
| Ditch Number Four | Lincoln, SD | 49 miles | NW |
| McCandless Cleghorn Outlet | Monona, IA | 50.2 miles | SE |
| Oliver Lake Ditch | Monona, IA | 50.8 miles | SE |
| Major Ditch | Burt, NE | 51.5 miles | SE |
| Wychoff Ditch | Burt, NE | 52.3 miles | SE |
| Ditch Number 14 | Lincoln, SD | 53 miles | NW |
| Monona Harrison Ditch | Monona, IA | 53.2 miles | SE |
| Fletcher Ditch | Monona, IA | 53.2 miles | SE |
| Sherman Ditch | Monona, IA | 54.5 miles | SE |
| Riverside Ditch | Burt, NE | 54.8 miles | SE |
| Alberty Ditch | Turner, SD | 57 miles | NW |
| Crane Outlet | Monona, IA | 57.1 miles | SE |
| McNeil Ditch | Harrison, IA | 57.7 miles | SE |
| Combination Ditch | Burt, NE | 58.5 miles | SE |
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