Montana Well Data field records · 2026 survey

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Callison Drilling Inc.

Recorded as the driller on 62 water wells across 5 Montana counties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Mineral County. Well-log records span 2006–2012.

62wells on record
since 2022
5counties served
150 ftmedian depth

Counties served

Wells drilled by Callison Drilling Inc., by county, across the full record.

CountyWells drilled
Mineral County 27
Sanders County 17
Missoula County 14
Ravalli County 3
Granite County 1

Well characteristics

Across the wells Callison Drilling Inc. has drilled, the median depth is 150 ft (middle half 80 ft–250 ft), median tested yield 25 gpm, and median static water level 54 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Callison Drilling Inc., straight from the public MBMG record:

"Records span 2006–2012" refers to the earliest and latest well logs attributed to this company in the MBMG database — the state digitized older paper logs, so the first date is the oldest record on file, not necessarily the company's founding year.

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