| Schell Ditch | Whatcom, WA | 8.3 miles | NW |
| Mormon Ditch | Whatcom, WA | 14.3 miles | NE |
| Kamm Ditch | Whatcom, WA | 15.1 miles | NE |
| Double Ditch | Whatcom, WA | 15.4 miles | NE |
| Hill Ditch | Skagit, WA | 28.9 miles | SE |
| Portage Canal | Jefferson, WA | 50.8 miles | SW |
| Lake Washington Ship Canal | King, WA | 75.7 miles | SE |
| Walsh Lake Diversion Ditch | King, WA | 96.6 miles | SE |
| High Line Canal | Chelan, WA | 121.9 miles | SE |
| Peshastin Ditch | Chelan, WA | 122.9 miles | SE |
| Icicle Canal | Chelan, WA | 126.2 miles | SE |
| Olive Ditch | Chelan, WA | 129.3 miles | SE |
| Shotwell Ditch | Chelan, WA | 129.6 miles | SE |
| Gunn Ditch | Chelan, WA | 130.7 miles | SE |
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