Montana Well Data field records · 2026 survey

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Western Drilling Co.

Recorded as the driller on 229 water wells across 14 Montana counties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Sheridan County. Well-log records span 1947–2019.

229wells on record
since 2022
14counties served
126 ftmedian depth

Counties served

Wells drilled by Western Drilling Co., by county, across the full record.

CountyWells drilled
Sheridan County 108
Missoula County 28
Roosevelt County 25
Rosebud County 24
Ravalli County 11
Daniels County 10
Big Horn County 9
Granite County 5
Lake County 3
Richland County 2
Hill County 1
Mccone County 1
Show all 14 counties
Sanders County 1
Valley County 1

Well characteristics

Across the wells Western Drilling Co. has drilled, the median depth is 126 ft (middle half 70 ft–190 ft), median tested yield 10 gpm, and median static water level 45 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Western Drilling Co., straight from the public MBMG record:

"Records span 1947–2019" 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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