Oregon Well Data › Tillamook County
Tillamook County, Oregon: well depth, water level & drilling cost
✓ 2,355 OWRD records · verified 2026-09-28
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How deep are wells in Tillamook County, Oregon?
The median drilled well depth in Tillamook County is 114 ft, based on 2,108 wells with recorded depths in the state OWRD database. Half of all wells fall between 70 ft and 180 ft; 90% are shallower than 271 ft. Wells drilled since 2016 have a median depth of 114 ft.
How much does it cost to drill a well in Tillamook County?
Applying published per-foot rates to the local median depth of 114 ft: drilling and casing alone typically runs $2,850–$7,410; a complete system including pump, pressure tank, and hookup typically runs $6,840–$11,400. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Tillamook County?
The median static water level is 22 ft below ground surface (middle half of wells: 12 ft–43 ft), from 2,042 measurements.
How much water do wells in Tillamook County produce?
The median tested yield is 11 gpm (middle half: 6 gpm–21 gpm), from 1,962 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Tillamook County?
Companies by number of wells completed in this county since 2016, per filed well logs (Oregon Water Resources Department).
| Driller | Wells since 2016 |
|---|---|
| DICKERSON WELL DRILLING | 105 |
| ALPINE RESOURCES LLC | 54 |
| LAND OWNER | 16 |
| LARRY EVEY WELL DRILLING | 12 |
| CORVALLIS DRILLING CO INC | 10 |
| MACK DRILLING CO INC | 5 |
| BLUE WATER DRILLING COMPANY | 5 |
| MCMULLEN DRILLING CORP. | 4 |
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Well records by ZIP code in Tillamook County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Tillamook (97141) — 572 wells, median 130 ft
- Wheeler (97147) — 246 wells, median 65 ft
- Cloverdale (97112) — 226 wells, median 100 ft
- Beaver (97108) — 220 wells, median 128 ft
- Pacific City (97135) — 219 wells, median 119 ft
- Hebo (97122) — 206 wells, median 117 ft
- Bay City (97107) — 201 wells, median 107 ft
- Nehalem (97131) — 185 wells, median 80 ft
- Neskowin (97149) — 142 wells, median 164 ft
- Rockaway Beach (97136) — 52 wells, median 72 ft
Method: medians computed from OWRD records (water wells only (log type 'Water Well' — monitoring wells and geotechnical holes excluded); depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.