⟁ Montana Well Data field records · 2026 survey

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Dept OF Transportation

Recorded as the driller on 527 water wells across 30Montanacounties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Mineral County. Well-log records span 1956–2017.

527wells on record
—since 2022
30counties served
41 ftmedian depth

Counties served

Wells drilled by Dept OF Transportation, by county, across the full record.

CountyWells drilled
Mineral County148
Lewis and Clark County94
Stillwater County34
Park County29
Lincoln County28
Madison County24
Carbon County20
Gallatin County20
Sweet Grass County18
Musselshell County15
Big Horn County14
Wibaux County11
Show all 30counties
Carter County10
Broadwater County7
Beaverhead County6
Rosebud County6
Missoula County6
Phillips County6
Judith Basin County5
Yellowstone County4
Lake County4
Glacier County4
Daniels County4
Sanders County3
Fergus County2
Jefferson County1
Wheatland County1
Cascade County1
Chouteau County1
Toole County1

Well characteristics

Across the wells Dept OF Transportation has drilled, the median depth is 41 ft (middle half 19 ft–60 ft), median tested yield 25 gpm, and median static water level 9 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Dept OF Transportation, straight from the public MBMG record:

"Records span 1956–2017" 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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