⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Missoula County › Missoula (59803)

Missoula, MT (59803): well depth, water level & drilling cost

✓ 1,129 GWIC records · Missoula County

138 ftmedian well depth
98 ft–219 fttypical depth range
78 ftmedian static water level
20 gpmmedian yield (1,025 tests)

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How deep are wells in and around Missoula (59803), Montana?

The median drilled well depth in and around Missoula (59803) is 138 ft, based on 1,112 wells with recorded depths in the state GWIC database. Half fall between 98 ft and 219 ft; 90% are shallower than 360 ft.

How much does it cost to drill a well in and around Missoula (59803)?

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 and around Missoula (59803)?

The median static water level is 78 ft below ground surface (middle half of wells: 38 ft–111 ft), from 1,008 measurements.

Drilled depth distribution

0–50 ft 47 50–100 ft 243 100–150 ft 348 150–200 ft 147 200–300 ft 149 300–400 ft 82 400–600 ft 76 600+ ft 20
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Part of Missoula County well records.

Method: medians computed from GWIC records (site type WELL, non-abandoned; depths 0–5,000 ft), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.