| Lousignont Canal | Washington, OR | 7 miles | SE |
| Marquam Dry Lake Canal | Multnomah, OR | 19.3 miles | NE |
| Peninsula Drainage Canal | Multnomah, OR | 27.7 miles | SE |
| Oswego Canal | Clackamas, OR | 30 miles | SE |
| Seely Ditch | Clackamas, OR | 31.5 miles | SE |
| Uncle Tom Slough | Columbia, OR | 31.8 miles | NW |
| Big Ditch | Clark, WA | 34.2 miles | SE |
| China Ditch | Clark, WA | 34.4 miles | NE |
| Moroney Canal | Tillamook, OR | 35.6 miles | SW |
| Ditch Number Eight | Cowlitz, WA | 35.7 miles | NE |
| Ditch Number Ten | Cowlitz, WA | 36.5 miles | NE |
| Ditch Number Six | Cowlitz, WA | 36.9 miles | NE |
| Crown Zellerback Power Ditch | Clark, WA | 39.3 miles | SE |
| Drescher Ditch | Marion, OR | 43.5 miles | SE |
| Jones Ditch | Marion, OR | 44.4 miles | SE |
| Walker Ditch | Marion, OR | 45.2 miles | SE |
| Lake Labish Ditch | Marion, OR | 45.6 miles | SE |
| Skipanon Waterway | Clatsop, OR | 49.1 miles | NW |
| Shelton Ditch | Marion, OR | 51.9 miles | SE |
| Mission Ditch | Marion, OR | 52 miles | SE |
| Highberger Ditch | Marion, OR | 59.3 miles | SE |
| Perrin Lateral | Marion, OR | 60.6 miles | SE |
| Sidney Power Ditch | Marion, OR | 61.3 miles | SE |
| Salem Ditch | Marion, OR | 62.2 miles | SE |
| Main Canal | Marion, OR | 62.2 miles | SE |
| Marion Ditch | Marion, OR | 64.1 miles | SE |
| Sidney Ditch | Marion, OR | 65.4 miles | SE |
| Jefferson Ditch | Marion, OR | 66.8 miles | SE |
| Peters Ditch | Linn, OR | 69.5 miles | SE |
| Frazier Creek Ditch | Benton, OR | 72.1 miles | SW |
| Oak Grove Ditch | Hood River, OR | 72.7 miles | SE |
| Albany Santiam Canal | Linn, OR | 74 miles | SE |
| Dee Flat Ditch | Hood River, OR | 74.6 miles | SE |
| Low Line Ditch | Hood River, OR | 75.8 miles | SE |
| Lost Creek Ditch | Skamania, WA | 76.4 miles | NE |
| Volmer Ditch | Hood River, OR | 77.8 miles | SE |
| Lacomb Irrigation Canal | Linn, OR | 78.8 miles | SE |
| Farmers Ditch | Hood River, OR | 78.9 miles | SE |
| Glacier Ditch | Hood River, OR | 79.2 miles | SE |
| Highline Lateral | Hood River, OR | 79.4 miles | SE |
| Mount Hood Canal | Hood River, OR | 79.6 miles | SE |
| East Fork Main Canal | Hood River, OR | 80.2 miles | SE |
| Central Lateral | Hood River, OR | 80.7 miles | SE |
| Lebanon Santiam Canal | Linn, OR | 81.2 miles | SE |
| Power Canal | Hood River, OR | 81.8 miles | NE |
| Neal Creek Lateral | Hood River, OR | 82.5 miles | SE |
| Whitby Ditch | Benton, OR | 82.7 miles | SW |
| Frog Creek Ditch | Wasco, OR | 83.2 miles | SE |
| Sodom Ditch | Linn, OR | 84.4 miles | SE |
| Clear Creek Ditch | Wasco, OR | 86.1 miles | SE |
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