| Hill Ditch | Skagit, WA | 17.1 miles | SE |
| Schell Ditch | Whatcom, WA | 24.1 miles | NE |
| Portage Canal | Jefferson, WA | 32 miles | SW |
| Mormon Ditch | Whatcom, WA | 33.3 miles | NE |
| Double Ditch | Whatcom, WA | 34 miles | NE |
| Kamm Ditch | Whatcom, WA | 34.1 miles | NE |
| Lake Washington Ship Canal | King, WA | 58.7 miles | SE |
| Walsh Lake Diversion Ditch | King, WA | 81.5 miles | SE |
| High Line Canal | Chelan, WA | 115.6 miles | SE |
| Peshastin Ditch | Chelan, WA | 116.4 miles | SE |
| Main Canal | Kittitas, WA | 121.5 miles | SE |
| Newman Siphon | Kittitas, WA | 129.5 miles | SE |
| Taneum Ditch | Kittitas, WA | 133.4 miles | SE |
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