Montana Well Data field records · 2026 survey

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Montana Highway Dept.

Recorded as the driller on 370 water wells across 33 Montana counties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Richland County. Well-log records span 1965–2019.

370wells on record
since 2022
33counties served
17 ftmedian depth

Counties served

Wells drilled by Montana Highway Dept., by county, across the full record.

CountyWells drilled
Richland County 49
Cascade County 33
Chouteau County 31
Teton County 31
Dawson County 30
Golden Valley County 28
Rosebud County 19
Wibaux County 17
Madison County 16
Gallatin County 14
Park County 13
Hill County 10
Show all 33 counties
Prairie County 9
Yellowstone County 9
Jefferson County 8
Missoula County 8
Musselshell County 8
Custer County 5
Fergus County 5
Big Horn County 3
Fallon County 3
Pondera County 3
Ravalli County 3
Treasure County 3
Granite County 2
Powder River County 2
Valley County 2
Blaine County 1
Broadwater County 1
Glacier County 1
Lewis and Clark County 1
Liberty County 1
Stillwater County 1

Well characteristics

Across the wells Montana Highway Dept. has drilled, the median depth is 17 ft (middle half 12 ft–29 ft), median tested yield 7 gpm, and median static water level 11 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Montana Highway Dept., straight from the public MBMG record:

"Records span 1965–2019" 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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