⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Missoula County

Missoula County, Montana: well depth, water level & drilling cost

✓ 15,558 GWIC records · verified 2026-06-10

100 ftmedian well depth
63 ft–170 fttypical depth range
33 ftmedian static water level
30 gpmmedian yield (13,766 tests)

How deep are wells in Missoula County, Montana?

The median drilled well depth in Missoula County is 100 ft, based on 15,236 wells with recorded depths in the state GWIC database. Half of all wells fall between 63 ft and 170 ft; 90% are shallower than 280 ft. Wells drilled since 2016 have a median depth of 138 ft.

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

Applying published per-foot rates to the local median depth of 138 ft: drilling and casing alone typically runs $3,450–$8,970; a complete system including pump, pressure tank, and hookup typically runs $8,280–$15,180. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Missoula County?

The median static water level is 33 ft below ground surface (middle half of wells: 17 ft–68 ft), from 13,559 measurements.

How much water do wells in Missoula County produce?

The median tested yield is 30 gpm (middle half: 12 gpm–50 gpm), from 13,766 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 1,734 50–100 ft 5,433 100–150 ft 3,384 150–200 ft 1,854 200–300 ft 1,404 300–400 ft 752 400–600 ft 559 600+ ft 116

Who drills wells in Missoula County?

Companies by number of wells completed in this county since 2016, per filed well logs.

Drilling companyWells since 2016
JEROMES DRILLING CO520
WESTERN MONTANA DRILLING CO.349
CAMP WELL DRILLING AND PUMP SERVICE194
CAMP WELL DRILLING & PUMP SUPPLY108
OKEEFE DRILLING CO105
WESTERN MONTANA DRILLING COMPANY87
COLDWATER DRILLING AND PUMPS37
ESLINGER DRILLING & PUMP SERVICE30

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Method: medians computed from GWIC records (site type WELL, non-abandoned; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-10) to the local median depth — full methodology & sources.