⟁ Oregon Well Data field records · 2026 survey

Oregon Well Data › Multnomah County

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

✓ 7,882 OWRD records · verified 2026-06-30

100 ftmedian well depth
30 ft–248 fttypical depth range
25 ftmedian static water level
20 gpmmedian yield (3,904 tests)

How deep are wells in Multnomah County, Oregon?

The median drilled well depth in Multnomah County is 100 ft, based on 5,515 wells with recorded depths in the state OWRD database. Half of all wells fall between 30 ft and 248 ft; 90% are shallower than 470 ft. Wells drilled since 2016 have a median depth of 35 ft.

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

Applying published per-foot rates to the local median depth of 35 ft: drilling and casing alone typically runs $875–$2,275; a complete system including pump, pressure tank, and hookup typically runs $2,100–$3,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Multnomah County?

The median static water level is 25 ft below ground surface (middle half of wells: 10 ft–102 ft), from 5,372 measurements.

How much water do wells in Multnomah County produce?

The median tested yield is 20 gpm (middle half: 10 gpm–50 gpm), from 3,904 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 2,016 50–100 ft 734 100–150 ft 556 150–200 ft 445 200–300 ft 660 300–400 ft 343 400–600 ft 484 600+ ft 277

Who drills wells in Multnomah County?

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

DrillerWells since 2016
STEVE KASER610
GLACIER DRILLING & DEWATERING499
GROUNDWATER PROTECTION SERVICE LLC153
SKYLES DRILLING, INC51
K CONSULTING38
OLSEN WELL DRILLING & PUMP37
DBM CONTRACTORS INC32
SKYLES DRILLING INC27

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Looking at a specific property in Multnomah County?

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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.