| Cresswell Well | Benton, WA | 11.4 miles | SW |
| Creswell Well | Benton, WA | 11.4 miles | SW |
| Amon Well | Benton, WA | 11.4 miles | SW |
| Edwards Well | Benton, WA | 13.3 miles | SW |
| Youngs Well | Benton, WA | 14.5 miles | SW |
| Williams Wells | Benton, WA | 15.1 miles | SW |
| Bofer Well | Benton, WA | 15.6 miles | SW |
| Idle Well | Benton, WA | 16 miles | SW |
| Root Well | Benton, WA | 16.5 miles | SW |
| Taylor Well | Benton, WA | 16.5 miles | SW |
| Sweanys Well | Benton, WA | 17 miles | SW |
| Big Well | Benton, WA | 19.1 miles | SW |
| Hope Valley Well | Franklin, WA | 19.4 miles | NW |
| Orcutt Well | Benton, WA | 28.2 miles | NW |
| Blacksmith Shop Well | Morrow, OR | 42.7 miles | SW |
| Twin Wells | Umatilla, OR | 43.1 miles | SE |
| McGee Well | Benton, WA | 43.8 miles | NW |
| West Well | Morrow, OR | 44 miles | SW |
| Sand Ranch Well | Morrow, OR | 45.2 miles | SW |
| Poverty Ridge Well | Morrow, OR | 51 miles | SW |
| Boeing Well | Morrow, OR | 51.9 miles | SW |
| South Spring Well | Morrow, OR | 52.4 miles | SW |
| Red Well | Morrow, OR | 53.3 miles | SW |
| Flowing Well | Morrow, OR | 54.5 miles | SW |
| Heppner City Well | Morrow, OR | 66 miles | SW |
| Hatten Well | Garfield, WA | 74.1 miles | NE |
| Divide Well | Umatilla, OR | 76.2 miles | SW |
| Thompson Flat Well | Morrow, OR | 81.1 miles | SW |
| Condon Water Supply Pump | Gilliam, OR | 86.1 miles | SW |
| Flowing Well | Baker, OR | 102.8 miles | SE |
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