⟁ Oregon Well Data field records · 2026 survey

Oregon Well Data › Yamhill County

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

✓ 11,400 OWRD records · verified 2026-06-30

170 ftmedian well depth
108 ft–264 fttypical depth range
38 ftmedian static water level
15 gpmmedian yield (9,790 tests)

How deep are wells in Yamhill County, Oregon?

The median drilled well depth in Yamhill County is 170 ft, based on 10,231 wells with recorded depths in the state OWRD database. Half of all wells fall between 108 ft and 264 ft; 90% are shallower than 392 ft. Wells drilled since 2016 have a median depth of 201 ft.

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

Applying published per-foot rates to the local median depth of 201 ft: drilling and casing alone typically runs $5,025–$13,065; a complete system including pump, pressure tank, and hookup typically runs $12,060–$20,100. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Yamhill County?

The median static water level is 38 ft below ground surface (middle half of wells: 20 ft–84 ft), from 10,452 measurements.

How much water do wells in Yamhill County produce?

The median tested yield is 15 gpm (middle half: 7 gpm–30 gpm), from 9,790 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 315 50–100 ft 1,735 100–150 ft 2,309 150–200 ft 1,503 200–300 ft 2,304 300–400 ft 1,068 400–600 ft 765 600+ ft 232

Who drills wells in Yamhill County?

Companies by number of wells completed in this county since 2016, per filed well logs (Oregon Water Resources Department).

DrillerWells since 2016
BLUE WATER DRILLING CO INC432
ARROW DRILLING225
BLUE WATER DRILLING COMPANY77
DICKERSON WELL DRILLING75
PLI SYSTEMS INC50
SKYLES DRILLING, INC45
MACK DRILLING CO INC26
A J GAUNT AND SON25

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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.