⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Liberty County

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

✓ 1,072 GWIC records · verified 2026-06-10

38 ftmedian well depth
21 ft–140 fttypical depth range
40 ftmedian static water level
10 gpmmedian yield (429 tests)

How deep are wells in Liberty County, Montana?

The median drilled well depth in Liberty County is 38 ft, based on 1,037 wells with recorded depths in the state GWIC database. Half of all wells fall between 21 ft and 140 ft; 90% are shallower than 260 ft. Wells drilled since 2016 have a median depth of 93 ft.

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

Applying published per-foot rates to the local median depth of 93 ft: drilling and casing alone typically runs $2,325–$6,045; a complete system including pump, pressure tank, and hookup typically runs $5,580–$10,230. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Liberty County?

The median static water level is 40 ft below ground surface (middle half of wells: 13 ft–120 ft), from 463 measurements.

How much water do wells in Liberty County produce?

The median tested yield is 10 gpm (middle half: 5 gpm–20 gpm), from 429 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 604 50–100 ft 98 100–150 ft 91 150–200 ft 79 200–300 ft 82 300–400 ft 36 400–600 ft 22 600+ ft 25

Who drills wells in Liberty County?

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

Drilling companyWells since 2016
MONTANA SALINITY CONTROL ASSOCIATION7
UNIVERSAL DRILLING4
AQUASOURCE DRILLING LLC4
BOLAND DRILLING2
HI-LINE DRILLING INC1
WATER RESOURCE SERVICES1

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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.