⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Sanders County

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

✓ 4,880 GWIC records · verified 2026-06-10

164 ftmedian well depth
71 ft–300 fttypical depth range
53 ftmedian static water level
25 gpmmedian yield (4,424 tests)

How deep are wells in Sanders County, Montana?

The median drilled well depth in Sanders County is 164 ft, based on 4,737 wells with recorded depths in the state GWIC database. Half of all wells fall between 71 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–$26,400. 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 4,382 measurements.

How much water do wells in Sanders County produce?

The median tested yield is 25 gpm (middle half: 11 gpm–40 gpm), from 4,424 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 863 50–100 ft 697 100–150 ft 620 150–200 ft 441 200–300 ft 901 300–400 ft 694 400–600 ft 422 600+ ft 99

Who drills wells in Sanders County?

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

Drilling companyWells since 2016
CALLISON WELL DRILLING135
NORTH STAR DRILLING INC135
UNIVERSAL DRILLING113
CAMP WELL DRILLING AND PUMP SERVICE59
NORTH STAR DRILLING INC.57
ACE DRILLING48
COLDWATER DRILLING AND PUMPS47
CYCLONE DRILLING INC33

Get quotes from local drillers

Looking at a specific property in Sanders County?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

Free lookup Property report — $19

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.