Montana Well Data field records · 2026 survey

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Porter Drilling

Recorded as the driller on 126 water wells across 6 Montana counties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Flathead County. Well-log records span 1951–1983.

126wells on record
since 2022
6counties served
138 ftmedian depth

Counties served

Wells drilled by Porter Drilling, by county, across the full record.

CountyWells drilled
Flathead County 100
Lake County 21
Broadwater County 2
Cascade County 1
Lewis and Clark County 1
Lincoln County 1

Well characteristics

Across the wells Porter Drilling has drilled, the median depth is 138 ft (middle half 80 ft–209 ft), median tested yield 15 gpm, and median static water level 39 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Porter Drilling, straight from the public MBMG record:

"Records span 1951–1983" 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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