⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Beaverhead County

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

✓ 4,930 GWIC records · verified 2026-06-10

78 ftmedian well depth
43 ft–146 fttypical depth range
25 ftmedian static water level
20 gpmmedian yield (4,176 tests)

How deep are wells in Beaverhead County, Montana?

The median drilled well depth in Beaverhead County is 78 ft, based on 4,835 wells with recorded depths in the state GWIC database. Half of all wells fall between 43 ft and 146 ft; 90% are shallower than 240 ft. Wells drilled since 2016 have a median depth of 120 ft.

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

Applying published per-foot rates to the local median depth of 120 ft: drilling and casing alone typically runs $3,000–$7,800; a complete system including pump, pressure tank, and hookup typically runs $7,200–$13,200. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Beaverhead County?

The median static water level is 25 ft below ground surface (middle half of wells: 12 ft–60 ft), from 4,442 measurements.

How much water do wells in Beaverhead County produce?

The median tested yield is 20 gpm (middle half: 15 gpm–32 gpm), from 4,176 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 1,396 50–100 ft 1,460 100–150 ft 792 150–200 ft 442 200–300 ft 404 300–400 ft 179 400–600 ft 137 600+ ft 25

Who drills wells in Beaverhead County?

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

Drilling companyWells since 2016
GRAHAM DRILLING INC333
LINDSAY DRILLING CO INC136
OKEEFE DRILLING CO108
AK DRILLING INC.19
LINDSAY DRILLING CO17
O'KEEFE DRILLING CO14
AK DRILLING INC13
GRAHAM DRILLING & PUMPS9

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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.