| Hill Ditch | Skagit, WA | 15.7 miles | SE |
| Schell Ditch | Whatcom, WA | 20.9 miles | NW |
| Mormon Ditch | Whatcom, WA | 26.6 miles | NE |
| Kamm Ditch | Whatcom, WA | 27.4 miles | NE |
| Double Ditch | Whatcom, WA | 28.3 miles | NW |
| Portage Canal | Jefferson, WA | 39.4 miles | SW |
| Lake Washington Ship Canal | King, WA | 62.7 miles | SE |
| Walsh Lake Diversion Ditch | King, WA | 83.4 miles | SE |
| High Line Canal | Chelan, WA | 111.2 miles | SE |
| Peshastin Ditch | Chelan, WA | 112.1 miles | SE |
| Icicle Canal | Chelan, WA | 115.5 miles | SE |
| Olive Ditch | Chelan, WA | 118.6 miles | SE |
| Shotwell Ditch | Chelan, WA | 118.9 miles | SE |
| Main Canal | Kittitas, WA | 119.7 miles | SE |
| Gunn Ditch | Chelan, WA | 120.1 miles | SE |
| High Line Ditch | Chelan, WA | 121.5 miles | SE |
| Columbia Lateral | Chelan, WA | 122.2 miles | SE |
| Lanham Lateral | Chelan, WA | 126.4 miles | SE |
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