⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Lewis and Clark County › Helena (59625)

Helena, MT (59625): well depth, water level & drilling cost

✓ 427 GWIC records · Lewis and Clark County

100 ftmedian well depth
60 ft–146 fttypical depth range
40 ftmedian static water level
20 gpmmedian yield (342 tests)

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How deep are wells in and around Helena (59625), Montana?

The median drilled well depth in and around Helena (59625) is 100 ft, based on 418 wells with recorded depths in the state GWIC database. Half fall between 60 ft and 146 ft; 90% are shallower than 232 ft.

How much does it cost to drill a well in and around Helena (59625)?

Applying published per-foot rates to the local median depth of 100 ft: drilling and casing alone typically runs $2,500–$6,500; a complete system including pump, pressure tank, and hookup typically runs $6,000–$10,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Helena (59625)?

The median static water level is 40 ft below ground surface (middle half of wells: 20 ft–70 ft), from 388 measurements.

Drilled depth distribution

0–50 ft 71 50–100 ft 135 100–150 ft 112 150–200 ft 40 200–300 ft 37 300–400 ft 17 400–600 ft 6 600+ ft 0
Looking at a specific property in Helena (59625)?

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Part of Lewis and Clark 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.