⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Lewis and Clark County › Helena (59602)

Helena, MT (59602): well depth, water level & drilling cost

✓ 3,229 GWIC records · Lewis and Clark County

156 ftmedian well depth
113 ft–250 fttypical depth range
65 ftmedian static water level
20 gpmmedian yield (3,077 tests)

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How deep are wells in and around Helena (59602), Montana?

The median drilled well depth in and around Helena (59602) is 156 ft, based on 3,192 wells with recorded depths in the state GWIC database. Half fall between 113 ft and 250 ft; 90% are shallower than 408 ft.

How much does it cost to drill a well in and around Helena (59602)?

Applying published per-foot rates to the local median depth of 208 ft: drilling and casing alone typically runs $5,200–$13,520; a complete system including pump, pressure tank, and hookup typically runs $12,480–$20,800. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Helena (59602)?

The median static water level is 65 ft below ground surface (middle half of wells: 40 ft–99 ft), from 3,100 measurements.

Drilled depth distribution

0–50 ft 135 50–100 ft 464 100–150 ft 933 150–200 ft 488 200–300 ft 550 300–400 ft 259 400–600 ft 259 600+ ft 104
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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.