Montana Well Data field records · 2026 survey

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Jerome And Okeefe Drilling Co.

Recorded as the driller on 1,032 water wells across 15 Montana counties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Missoula County. Well-log records span 1961–2015.

1,032wells on record
since 2022
15counties served
108 ftmedian depth

Counties served

Wells drilled by Jerome And Okeefe Drilling Co., by county, across the full record.

CountyWells drilled
Missoula County 516
Lewis and Clark County 138
Ravalli County 137
Granite County 57
Lake County 47
Sanders County 36
Broadwater County 31
Deer Lodge County 15
Jefferson County 14
Powell County 13
Madison County 10
Mineral County 8
Show all 15 counties
Park County 6
Cascade County 3
Flathead County 1

Well characteristics

Across the wells Jerome And Okeefe Drilling Co. has drilled, the median depth is 108 ft (middle half 70 ft–180 ft), median tested yield 20 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 Jerome And Okeefe Drilling Co., straight from the public MBMG record:

"Records span 1961–2015" 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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