⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Hill County

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

✓ 3,289 GWIC records · verified 2026-06-10

90 ftmedian well depth
35 ft–160 fttypical depth range
30 ftmedian static water level
12 gpmmedian yield (2,320 tests)

How deep are wells in Hill County, Montana?

The median drilled well depth in Hill County is 90 ft, based on 3,186 wells with recorded depths in the state GWIC database. Half of all wells fall between 35 ft and 160 ft; 90% are shallower than 227 ft. Wells drilled since 2016 have a median depth of 64 ft.

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

Applying published per-foot rates to the local median depth of 64 ft: drilling and casing alone typically runs $1,600–$4,160; a complete system including pump, pressure tank, and hookup typically runs $3,840–$7,040. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Hill County?

The median static water level is 30 ft below ground surface (middle half of wells: 13 ft–72 ft), from 2,501 measurements.

How much water do wells in Hill County produce?

The median tested yield is 12 gpm (middle half: 7 gpm–22 gpm), from 2,320 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 1,061 50–100 ft 644 100–150 ft 595 150–200 ft 396 200–300 ft 306 300–400 ft 85 400–600 ft 53 600+ ft 46

Who drills wells in Hill County?

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

Drilling companyWells since 2016
HI-LINE DRILLING INC77
MONTANA SALINITY CONTROL ASSOCIATION55
JACOBSON DRILLING20
THOMAS, DEAN, AND HOSKINS, INC.11
BOLAND DRILLING10
AQUASOURCE DRILLING LLC6
WATER & ENVIRONMENTAL TECHNOLOGIES6
WEST CENTRAL ENVIRONMENTAL CONSULTANTS4

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Looking at a specific property in Hill 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.