⟁ Montana Well Data field records · 2026 survey

Montana Well Data › Custer County › Ismay (59336)

Ismay, MT (59336): well depth, water level & drilling cost

✓ 250 GWIC records · Custer County

195 ftmedian well depth
88 ft–450 fttypical depth range
90 ftmedian static water level
10 gpmmedian yield (196 tests)

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How deep are wells in and around Ismay (59336), Montana?

The median drilled well depth in and around Ismay (59336) is 195 ft, based on 243 wells with recorded depths in the state GWIC database. Half fall between 88 ft and 450 ft; 90% are shallower than 696 ft.

How much does it cost to drill a well in and around Ismay (59336)?

Applying published per-foot rates to the local median depth of 195 ft: drilling and casing alone typically runs $4,875–$12,675; a complete system including pump, pressure tank, and hookup typically runs $11,700–$19,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Ismay (59336)?

The median static water level is 90 ft below ground surface (middle half of wells: 30 ft–225 ft), from 164 measurements.

Drilled depth distribution

0–50 ft 33 50–100 ft 31 100–150 ft 32 150–200 ft 27 200–300 ft 26 300–400 ft 20 400–600 ft 33 600+ ft 41
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Part of Custer 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.