⟁ Oregon Well Data field records · 2026 survey

Oregon Well Data › Tillamook County

Tillamook County, Oregon: well depth, water level & drilling cost

✓ 2,351 OWRD records · verified 2026-06-30

114 ftmedian well depth
70 ft–180 fttypical depth range
22 ftmedian static water level
11 gpmmedian yield (1,960 tests)

How deep are wells in Tillamook County, Oregon?

The median drilled well depth in Tillamook County is 114 ft, based on 2,105 wells with recorded depths in the state OWRD database. Half of all wells fall between 70 ft and 180 ft; 90% are shallower than 273 ft. Wells drilled since 2016 have a median depth of 117 ft.

How much does it cost to drill a well in Tillamook County?

Applying published per-foot rates to the local median depth of 117 ft: drilling and casing alone typically runs $2,925–$7,605; a complete system including pump, pressure tank, and hookup typically runs $7,020–$11,700. 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 2,039 measurements.

How much water do wells in Tillamook County produce?

The median tested yield is 11 gpm (middle half: 6 gpm–21 gpm), from 1,960 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 278 50–100 ft 583 100–150 ft 519 150–200 ft 266 200–300 ft 282 300–400 ft 115 400–600 ft 56 600+ ft 6

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).

DrillerWells since 2016
DICKERSON WELL DRILLING105
ALPINE RESOURCES LLC53
LAND OWNER16
LARRY EVEY WELL DRILLING12
CORVALLIS DRILLING CO INC10
MACK DRILLING CO INC5
BLUE WATER DRILLING COMPANY5
A M JANNSEN WELL DRILLING CO INC4

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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.