⟁ Montana Well Data field records · 2026 survey

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Bertram Drilling Inc.

Recorded as the driller on 776 water wells across 20Montanacounties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Yellowstone County. Well-log records span 2001–2026.

776wells on record
264since 2022
20counties served
40 ftmedian depth

Counties served

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

CountyWells drilled
Yellowstone County525
Carbon County57
Stillwater County51
Big Horn County34
Musselshell County32
Wheatland County18
Powder River County16
Treasure County8
Park County7
Madison County6
Golden Valley County6
Sweet Grass County5
Show all 20counties
Fergus County3
Powell County1
Meagher County1
Lewis and Clark County1
Prairie County1
Dawson County1
Petroleum County1
Chouteau County1

Well characteristics

Across the wells Bertram Drilling Inc. has drilled, the median depth is 40 ft (middle half 28 ft–116 ft), median tested yield 30 gpm, and median static water level 18 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

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

"Records span 2001–2026" 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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