Montana Well Data field records · 2026 survey

Montana Well Data › Sanders County

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

✓ 4,904 GWIC records · verified 2026-08-24

165 ftmedian well depth
72 ft–300 fttypical depth range
53 ftmedian static water level
25 gpmmedian yield (4,448 tests)

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How deep are wells in Sanders County, Montana?

The median drilled well depth in Sanders County is 165 ft, based on 4,761 wells with recorded depths in the state GWIC database. Half of all wells fall between 72 ft and 300 ft; 90% are shallower than 400 ft. Wells drilled since 2016 have a median depth of 240 ft.

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

Applying published per-foot rates to the local median depth of 240 ft: drilling and casing alone typically runs $6,000–$15,600; a complete system including pump, pressure tank, and hookup typically runs $14,400–$24,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Sanders County?

The median static water level is 53 ft below ground surface (middle half of wells: 20 ft–131 ft), from 4,404 measurements.

How much water do wells in Sanders County produce?

The median tested yield is 25 gpm (middle half: 11 gpm–40 gpm), from 4,448 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 863 50–100 ft 697 100–150 ft 623 150–200 ft 443 200–300 ft 908 300–400 ft 703 400–600 ft 424 600+ ft 100

Who drills wells in Sanders County?

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

DrillerWells since 2016
CALLISON WELL DRILLING140
NORTH STAR DRILLING INC135
UNIVERSAL DRILLING113
NORTH STAR DRILLING INC.64
CAMP WELL DRILLING AND PUMP SERVICE59
COLDWATER DRILLING AND PUMPS49
ACE DRILLING48
OH WELL DRILLING AND PUMP38

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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.