⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Big Horn County

Big Horn County, Montana: well depth, water level & drilling cost

✓ 3,648 GWIC records · verified 2026-08-24

68 ftmedian well depth
32 ft–176 fttypical depth range
25 ftmedian static water level
12 gpmmedian yield (2,382 tests)

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How deep are wells in Big Horn County, Montana?

The median drilled well depth in Big Horn County is 68 ft, based on 3,494 wells with recorded depths in the state GWIC database. Half of all wells fall between 32 ft and 176 ft; 90% are shallower than 320 ft. Wells drilled since 2016 have a median depth of 90 ft.

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

Applying published per-foot rates to the local median depth of 90 ft: drilling and casing alone typically runs $2,250–$5,850; a complete system including pump, pressure tank, and hookup typically runs $5,400–$9,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Big Horn County?

The median static water level is 25 ft below ground surface (middle half of wells: 12 ft–73 ft), from 2,712 measurements.

How much water do wells in Big Horn County produce?

The median tested yield is 12 gpm (middle half: 5 gpm–22 gpm), from 2,382 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 1,387 50–100 ft 663 100–150 ft 387 150–200 ft 300 200–300 ft 346 300–400 ft 202 400–600 ft 104 600+ ft 105

Who drills wells in Big Horn County?

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

DrillerWells since 2016
AMERICAN DRILLING & SUPPLY50
GARY'S DRILLING INC.42
BERTRAM DRILLING INC24
HIGGINS DRILLING COMPANY14
WWC ENGINEERING10
A-1 DRILLING10
HAZ TECH DRILLING INC8
ASKIN DRILLING7

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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.