⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Mineral County

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

✓ 1,683 GWIC records · verified 2026-06-10

122 ftmedian well depth
75 ft–185 fttypical depth range
60 ftmedian static water level
30 gpmmedian yield (1,564 tests)

How deep are wells in Mineral County, Montana?

The median drilled well depth in Mineral County is 122 ft, based on 1,665 wells with recorded depths in the state GWIC database. Half of all wells fall between 75 ft and 185 ft; 90% are shallower than 300 ft. Wells drilled since 2016 have a median depth of 140 ft.

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

Applying published per-foot rates to the local median depth of 140 ft: drilling and casing alone typically runs $3,500–$9,100; a complete system including pump, pressure tank, and hookup typically runs $8,400–$15,400. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Mineral County?

The median static water level is 60 ft below ground surface (middle half of wells: 25 ft–105 ft), from 1,500 measurements.

How much water do wells in Mineral County produce?

The median tested yield is 30 gpm (middle half: 15 gpm–40 gpm), from 1,564 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 189 50–100 ft 403 100–150 ft 402 150–200 ft 276 200–300 ft 201 300–400 ft 95 400–600 ft 78 600+ ft 21

Who drills wells in Mineral County?

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

Drilling companyWells since 2016
CALLISON WELL DRILLING82
CAMP WELL DRILLING AND PUMP SERVICE81
JEROMES DRILLING CO57
CAMP WELL DRILLING & PUMP SUPPLY27
WESTERN MONTANA DRILLING CO.22
STEVE BERG WELL DRILLING17
WESTERN MONTANA DRILLING COMPANY14
ACE DRILLING11

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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.