⟁ Oregon Well Data field records · 2026 survey

Oregon Well Data › Multnomah County › Portland (97231)

Portland, OR (97231): well depth, water level & drilling cost

✓ 1,458 OWRD records · Multnomah County

240 ftmedian well depth
145 ft–420 fttypical depth range
100 ftmedian static water level
20 gpmmedian yield (1,218 tests)

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How deep are wells in and around Portland (97231), Oregon?

The median drilled well depth in and around Portland (97231) is 240 ft, based on 1,318 wells with recorded depths in the state OWRD database. Half fall between 145 ft and 420 ft; 90% are shallower than 617 ft.

How much does it cost to drill a well in and around Portland (97231)?

Applying published per-foot rates to the local median depth of 240 ft: drilling and casing alone typically runs $6,000–$15,600; a complete system including pump, pressure tank, and hookup typically runs $14,400–$24,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Portland (97231)?

The median static water level is 100 ft below ground surface (middle half of wells: 25 ft–230 ft), from 1,346 measurements.

Drilled depth distribution

0–50 ft 72 50–100 ft 141 100–150 ft 125 150–200 ft 163 200–300 ft 278 300–400 ft 169 400–600 ft 216 600+ ft 154
Looking at a specific property in Portland (97231)?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

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Get quotes from drillers who work in Portland (97231)

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Part of Multnomah County well records.

Method: medians computed from OWRD records (water wells only (log type 'Water Well' — monitoring wells and geotechnical holes excluded); depths 0–5,000 ft), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.