⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Cascade County › Great Falls (59404)

Great Falls, MT (59404): well depth, water level & drilling cost

✓ 960 GWIC records · Cascade County

111 ftmedian well depth
58 ft–210 fttypical depth range
36 ftmedian static water level
30 gpmmedian yield (638 tests)

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How deep are wells in and around Great Falls (59404), Montana?

The median drilled well depth in and around Great Falls (59404) is 111 ft, based on 945 wells with recorded depths in the state GWIC database. Half fall between 58 ft and 210 ft; 90% are shallower than 580 ft.

How much does it cost to drill a well in and around Great Falls (59404)?

Applying published per-foot rates to the local median depth of 111 ft: drilling and casing alone typically runs $2,775–$7,215; a complete system including pump, pressure tank, and hookup typically runs $6,660–$11,100. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Great Falls (59404)?

The median static water level is 36 ft below ground surface (middle half of wells: 13 ft–70 ft), from 725 measurements.

Drilled depth distribution

0–50 ft 187 50–100 ft 233 100–150 ft 161 150–200 ft 102 200–300 ft 72 300–400 ft 42 400–600 ft 55 600+ ft 93
Looking at a specific property in Great Falls (59404)?

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Part of Cascade 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.