⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Carbon County

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

✓ 6,442 GWIC records · verified 2026-06-10

58 ftmedian well depth
36 ft–120 fttypical depth range
19 ftmedian static water level
24 gpmmedian yield (5,912 tests)

How deep are wells in Carbon County, Montana?

The median drilled well depth in Carbon County is 58 ft, based on 6,369 wells with recorded depths in the state GWIC database. Half of all wells fall between 36 ft and 120 ft; 90% are shallower than 250 ft. Wells drilled since 2016 have a median depth of 59 ft.

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

Applying published per-foot rates to the local median depth of 59 ft: drilling and casing alone typically runs $1,475–$3,835; a complete system including pump, pressure tank, and hookup typically runs $3,540–$6,490. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Carbon County?

The median static water level is 19 ft below ground surface (middle half of wells: 10 ft–39 ft), from 5,930 measurements.

How much water do wells in Carbon County produce?

The median tested yield is 24 gpm (middle half: 10 gpm–40 gpm), from 5,912 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 2,839 50–100 ft 1,574 100–150 ft 684 150–200 ft 341 200–300 ft 465 300–400 ft 243 400–600 ft 149 600+ ft 74

Who drills wells in Carbon County?

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

Drilling companyWells since 2016
AAQUA DRILLING INC780
DOUGLAS DRILLING136
BERTRAM DRILLING INC35
AMERICAN DRILLING & SUPPLY35
A-1 DRILLING34
OLYMPUS TECHNICAL SERVICES13
SHARP DRILLING INC8
DOUGLAS DRILLING LLC4

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Looking at a specific property in Carbon County?

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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.