⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Pondera County

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

✓ 1,391 GWIC records · verified 2026-06-10

35 ftmedian well depth
18 ft–75 fttypical depth range
21 ftmedian static water level
10 gpmmedian yield (521 tests)

How deep are wells in Pondera County, Montana?

The median drilled well depth in Pondera County is 35 ft, based on 1,347 wells with recorded depths in the state GWIC database. Half of all wells fall between 18 ft and 75 ft; 90% are shallower than 140 ft. Wells drilled since 2016 have a median depth of 70 ft.

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

Applying published per-foot rates to the local median depth of 70 ft: drilling and casing alone typically runs $1,750–$4,550; a complete system including pump, pressure tank, and hookup typically runs $4,200–$7,700. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Pondera County?

The median static water level is 21 ft below ground surface (middle half of wells: 10 ft–48 ft), from 570 measurements.

How much water do wells in Pondera County produce?

The median tested yield is 10 gpm (middle half: 5 gpm–25 gpm), from 521 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 866 50–100 ft 228 100–150 ft 138 150–200 ft 66 200–300 ft 35 300–400 ft 9 400–600 ft 3 600+ ft 2

Who drills wells in Pondera County?

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

Drilling companyWells since 2016
AQUASOURCE DRILLING LLC14
BOLAND DRILLING11
MONTANA SALINITY CONTROL ASSOCIATION10
AQUASOURCE INC LLC5
WEST CENTRAL ENVIRONMENTAL CONSULTANTS5
WILEY DRILLING5
WESTERN WATER WELLS4
MT DEPT OF TRANSPORTATION3

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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.