| Le Duc Well | Wasco, OR | 26.7 miles | SW |
| Condon Water Supply Pump | Gilliam, OR | 46.3 miles | SE |
| Red Well | Morrow, OR | 50.3 miles | SE |
| Boeing Well | Morrow, OR | 54.5 miles | SE |
| Flowing Well | Morrow, OR | 55.2 miles | SE |
| Poverty Ridge Well | Morrow, OR | 55.5 miles | SE |
| Dry Well | Wasco, OR | 62.3 miles | SW |
| West Well | Morrow, OR | 64.9 miles | SE |
| South Spring Well | Morrow, OR | 66.1 miles | SE |
| Blacksmith Shop Well | Morrow, OR | 67.3 miles | SE |
| Sand Ranch Well | Morrow, OR | 68.8 miles | SE |
| Coburn Well | Jefferson, OR | 72.4 miles | SW |
| Schmoker Well | Jefferson, OR | 76.5 miles | SW |
| Orcutt Well | Benton, WA | 76.9 miles | NE |
| Kutcher Well | Jefferson, OR | 77.7 miles | SW |
| Big Well | Benton, WA | 80.9 miles | NE |
| Root Well | Benton, WA | 81.2 miles | NE |
| Reichen Well | Jefferson, OR | 81.3 miles | SW |
| McGee Well | Benton, WA | 81.4 miles | NE |
| Suicide Well | Jefferson, OR | 81.7 miles | SW |
| Hardwick Well | Jefferson, OR | 81.7 miles | SW |
| Sweanys Well | Benton, WA | 82.4 miles | NE |
| Taylor Well | Benton, WA | 82.5 miles | NE |
| Williams Wells | Benton, WA | 82.6 miles | NE |
| Idle Well | Benton, WA | 82.7 miles | NE |
| Reuter Well | Jefferson, OR | 82.9 miles | SW |
| Youngs Well | Benton, WA | 83.2 miles | NE |
| Bennett Well | Jefferson, OR | 83.3 miles | SW |
| Heppner City Well | Morrow, OR | 83.6 miles | SE |
| Boyce Pond Well | Jefferson, OR | 83.7 miles | SW |
| Blanchard Well | Jefferson, OR | 84.2 miles | SW |
| Edwards Well | Benton, WA | 84.4 miles | NE |
| Bofer Well | Benton, WA | 84.6 miles | NE |
| Morrow Well | Jefferson, OR | 84.9 miles | SW |
| Degner Well | Jefferson, OR | 85.3 miles | SW |
| C W A Well | Jefferson, OR | 85.3 miles | SW |
| Dayton-Grant Well | Jefferson, OR | 86 miles | SW |
| Amon Well | Benton, WA | 86.3 miles | NE |
| Devine Well | Jefferson, OR | 86.5 miles | SW |
| Cap Healy Well | Jefferson, OR | 87.1 miles | SW |
| Cresswell Well | Benton, WA | 89.3 miles | NE |
| Creswell Well | Benton, WA | 89.3 miles | NE |
| Weigand Well | Jefferson, OR | 90.3 miles | SW |
| Joe Weigand Well | Jefferson, OR | 90.9 miles | SW |
| Lone Pine Artesian Well | Jefferson, OR | 93 miles | SW |
| Twin Wells | Umatilla, OR | 95.6 miles | SE |
| Thompson Flat Well | Morrow, OR | 98.2 miles | SE |
| Divide Well | Umatilla, OR | 98.2 miles | SE |
| Hope Valley Well | Franklin, WA | 102.2 miles | NE |
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