⟁ Oregon Well Data field records · 2026 survey

Oregon Well Data › Grant County

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

✓ 1,765 OWRD records · verified 2026-06-30

180 ftmedian well depth
105 ft–300 fttypical depth range
33 ftmedian static water level
15 gpmmedian yield (1,489 tests)

How deep are wells in Grant County, Oregon?

The median drilled well depth in Grant County is 180 ft, based on 1,645 wells with recorded depths in the state OWRD database. Half of all wells fall between 105 ft and 300 ft; 90% are shallower than 420 ft. Wells drilled since 2016 have a median depth of 250 ft.

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

Applying published per-foot rates to the local median depth of 250 ft: drilling and casing alone typically runs $6,250–$16,250; a complete system including pump, pressure tank, and hookup typically runs $15,000–$25,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Grant County?

The median static water level is 33 ft below ground surface (middle half of wells: 16 ft–80 ft), from 1,502 measurements.

How much water do wells in Grant County produce?

The median tested yield is 15 gpm (middle half: 7 gpm–30 gpm), from 1,489 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 102 50–100 ft 245 100–150 ft 334 150–200 ft 217 200–300 ft 311 300–400 ft 227 400–600 ft 161 600+ ft 48

Who drills wells in Grant County?

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

DrillerWells since 2016
OREGON TRAIL WELL SERVICE LLC93
MARCIEL WELL DRILLING & PUMPS61
ZOLLMAN'S LARRY BURD WELL DRILLING LLC14
DOWN RIGHT DRILLING & PUMP INC13
AIKEN WELL DRILLING INC.10
COURTNEY WELL DRILLING, LLC8
WESTERN DRILLING CO7
DIG WELL DRILLING LLC7

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Looking at a specific property in Grant 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.