Montana Well Data field records · 2026 survey

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Olsen & Justin

Recorded as the driller on 271 water wells across 3 Montana counties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Flathead County. Well-log records span 1949–1973.

271wells on record
since 2022
3counties served
139 ftmedian depth

Counties served

Wells drilled by Olsen & Justin, by county, across the full record.

CountyWells drilled
Flathead County 259
Lake County 9
Lincoln County 3

Well characteristics

Across the wells Olsen & Justin has drilled, the median depth is 139 ft (middle half 87 ft–191 ft), median tested yield 16 gpm, and median static water level 60 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Olsen & Justin, straight from the public MBMG record:

"Records span 1949–1973" 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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