⟁ Oregon Well Data field records · 2026 survey

Oregon Well Data › Polk County

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

✓ 6,080 OWRD records · verified 2026-08-14

136 ftmedian well depth
78 ft–221 fttypical depth range
28 ftmedian static water level
11 gpmmedian yield (4,925 tests)

How deep are wells in Polk County, Oregon?

The median drilled well depth in Polk County is 136 ft, based on 5,220 wells with recorded depths in the state OWRD database. Half of all wells fall between 78 ft and 221 ft; 90% are shallower than 325 ft. Wells drilled since 2016 have a median depth of 183 ft.

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

Applying published per-foot rates to the local median depth of 183 ft: drilling and casing alone typically runs $4,575–$11,895; a complete system including pump, pressure tank, and hookup typically runs $10,980–$18,300. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Polk County?

The median static water level is 28 ft below ground surface (middle half of wells: 15 ft–59 ft), from 5,574 measurements.

How much water do wells in Polk County produce?

The median tested yield is 11 gpm (middle half: 5 gpm–30 gpm), from 4,925 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 492 50–100 ft 1,323 100–150 ft 1,071 150–200 ft 694 200–300 ft 910 300–400 ft 441 400–600 ft 251 600+ ft 38

Who drills wells in Polk 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 DRILLING92
RON ROBINSON WELL DRILLING87
MACK DRILLING CO INC79
SIPPEL WELL DRILLING INC44
JONES WELL DRILLING CO INC24
BLUE WATER DRILLING CO INC24
ALL SEASONS WELL DRILLING15
CORVALLIS DRILLING CO INC10

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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.