⟁ Montana Well Data field records · 2026 survey

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Johnson

Recorded as the driller on 658 water wells across 31Montanacounties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Prairie County. Well-log records span 1946–2005.

658wells on record
—since 2022
31counties served
100 ftmedian depth

Counties served

Wells drilled by Johnson, by county, across the full record.

CountyWells drilled
Prairie County215
Lake County105
Lewis and Clark County75
Fergus County46
Dawson County43
Yellowstone County40
Carter County32
Roosevelt County26
Powder River County11
Valley County8
Fallon County6
Sweet Grass County5
Show all 31counties
Mccone County5
Carbon County4
Powell County4
Richland County4
Hill County4
Daniels County4
Big Horn County3
Stillwater County3
Missoula County3
Madison County2
Cascade County2
Rosebud County1
Gallatin County1
Deer Lodge County1
Granite County1
Wibaux County1
Flathead County1
Pondera County1
Blaine County1

Well characteristics

Across the wells Johnson has drilled, the median depth is 100 ft (middle half 41 ft–219 ft), median tested yield 12 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 Johnson, straight from the public MBMG record:

"Records span 1946–2005" 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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