⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Lewis and Clark County › East Helena (59635)

East Helena, MT (59635): well depth, water level & drilling cost

✓ 4,367 GWIC records · Lewis and Clark County

120 ftmedian well depth
80 ft–205 fttypical depth range
55 ftmedian static water level
27 gpmmedian yield (3,986 tests)

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How deep are wells in and around East Helena (59635), Montana?

The median drilled well depth in and around East Helena (59635) is 120 ft, based on 4,330 wells with recorded depths in the state GWIC database. Half fall between 80 ft and 205 ft; 90% are shallower than 360 ft.

How much does it cost to drill a well in and around East Helena (59635)?

Applying published per-foot rates to the local median depth of 145 ft: drilling and casing alone typically runs $3,625–$9,425; a complete system including pump, pressure tank, and hookup typically runs $8,700–$14,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around East Helena (59635)?

The median static water level is 55 ft below ground surface (middle half of wells: 35 ft–93 ft), from 4,162 measurements.

Drilled depth distribution

0–50 ft 301 50–100 ft 1,316 100–150 ft 1,067 150–200 ft 488 200–300 ft 487 300–400 ft 316 400–600 ft 287 600+ ft 68
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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.