Montana Well Data › Missoula County

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

Name: Missoula County, Montana water well statistics
Creator: Montana Well Data
License: https://creativecommons.org/licenses/by/4.0/

✓ 15,598 GWIC records · verified 2026-10-02

100 ftmedian well depth

63 ft–170 fttypical depth range

33 ftmedian static water level

30 gpmmedian yield (13,808 tests)

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How deep are wells in Missoula County, Montana?

The median drilled well depth in Missoula County is 100 ft, based on 15,276 wells with recorded depths in the state GWIC database. Half of all wells fall between 63 ft and 170 ft; 90% are shallower than 280 ft. Wells drilled since 2016 have a median depth of 138 ft.

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

Applying published per-foot rates to the local median depth of 138 ft: drilling and casing alone typically runs $3,450–$8,970; a complete system including pump, pressure tank, and hookup typically runs $8,280–$13,800. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Missoula County?

The median static water level is 33 ft below ground surface (middle half of wells: 17 ft–68 ft), from 13,599 measurements.

How much water do wells in Missoula County produce?

The median tested yield is 30 gpm (middle half: 12 gpm–50 gpm), from 13,808 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 1,735 50–100 ft 5,439 100–150 ft 3,392 150–200 ft 1,861 200–300 ft 1,411 300–400 ft 761 400–600 ft 561 600+ ft 116

Who drills wells in Missoula County?

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

Driller	Wells since 2016
JEROMES DRILLING CO	522
WESTERN MONTANA DRILLING CO.	370
CAMP WELL DRILLING AND PUMP SERVICE	192
CAMP WELL DRILLING & PUMP SUPPLY	118
OKEEFE DRILLING CO	110
WESTERN MONTANA DRILLING COMPANY	87
COLDWATER DRILLING AND PUMPS	39
ESLINGER DRILLING & PUMP SERVICE	31

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Well records by ZIP code in Missoula County

Median depth, water level, and yield for each ZIP code with recorded wells.

Missoula (59801) — 2,304 wells, median 72 ft
Missoula (59808) — 1,656 wells, median 150 ft
Clinton (59825) — 1,469 wells, median 80 ft
Seeley Lake (59868) — 1,402 wells, median 128 ft
Frenchtown (59834) — 1,171 wells, median 170 ft
Missoula (59804) — 1,130 wells, median 111 ft
Missoula (59803) — 1,129 wells, median 138 ft
Lolo (59847) — 1,079 wells, median 80 ft
Condon (59826) — 706 wells, median 93 ft
Missoula (59802) — 687 wells, median 90 ft
Bonner (59823) — 683 wells, median 60 ft
Alberton (59820) — 557 wells, median 140 ft
Missoula (59806) — 546 wells, median 80 ft
Huson (59846) — 530 wells, median 126 ft
Milltown (59851) — 406 wells, median 100 ft
Missoula (59807) — 397 wells, median 80 ft

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.