⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Big Horn County

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

✓ 3,640 GWIC records · verified 2026-06-10

67 ftmedian well depth
32 ft–175 fttypical depth range
25 ftmedian static water level
12 gpmmedian yield (2,374 tests)

How deep are wells in Big Horn County, Montana?

The median drilled well depth in Big Horn County is 67 ft, based on 3,486 wells with recorded depths in the state GWIC database. Half of all wells fall between 32 ft and 175 ft; 90% are shallower than 320 ft. Wells drilled since 2016 have a median depth of 82 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 82 ft: drilling and casing alone typically runs $2,050–$5,330; a complete system including pump, pressure tank, and hookup typically runs $4,920–$9,020. 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 2,704 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 2,374 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 1,387 50–100 ft 663 100–150 ft 386 150–200 ft 299 200–300 ft 342 300–400 ft 201 400–600 ft 103 600+ ft 105

Who drills wells in Big Horn County?

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

Drilling companyWells since 2016
AMERICAN DRILLING & SUPPLY50
BERTRAM DRILLING INC24
GARY'S DRILLING INC.20
GARY’S DRILLING INC17
HIGGINS DRILLING COMPANY13
WWC ENGINEERING10
A-1 DRILLING10
HAZ TECH 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 2026-06-10) to the local median depth — full methodology & sources.