⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Carbon County

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

✓ 6,458 GWIC records · verified 2026-07-27

58 ftmedian well depth
36 ft–120 fttypical depth range
19 ftmedian static water level
24 gpmmedian yield (5,928 tests)

How deep are wells in Carbon County, Montana?

The median drilled well depth in Carbon County is 58 ft, based on 6,385 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–$5,900. Actual quotes depend on site access, geology, and casing requirements.

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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 5,946 measurements.

How much water do wells in Carbon County produce?

The median tested yield is 24 gpm (middle half: 10 gpm–40 gpm), from 5,928 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 2,846 50–100 ft 1,576 100–150 ft 686 150–200 ft 343 200–300 ft 466 300–400 ft 244 400–600 ft 150 600+ ft 74

Who drills wells in Carbon County?

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

DrillerWells since 2016
AAQUA DRILLING INC790
DOUGLAS DRILLING137
BERTRAM DRILLING INC35
AMERICAN DRILLING & SUPPLY35
A-1 DRILLING34
OLYMPUS TECHNICAL SERVICES13
DOUGLAS DRILLING LLC9
SHARP DRILLING INC8

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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 2026-06-11) to the local median depth — full methodology & sources.