Montana Well Data field records · 2026 survey

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Ravalli Drilling Inc.

Recorded as the driller on 4,911 water wells across 13 Montana counties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Ravalli County. Well-log records span 1916–2024.

4,911wells on record
31since 2022
13counties served
59 ftmedian depth

Counties served

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

CountyWells drilled
Ravalli County 4,481
Missoula County 396
Lake County 6
Beaverhead County 5
Flathead County 4
Silver Bow County 4
Jefferson County 3
Mineral County 3
Deer Lodge County 2
Granite County 2
Powell County 2
Sanders County 2
Show all 13 counties
Lewis and Clark County 1

Well characteristics

Across the wells Ravalli Drilling Inc. has drilled, the median depth is 59 ft (middle half 38 ft–111 ft), median tested yield 20 gpm, and median static water level 22 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

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

"Records span 1916–2024" 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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