Montana Well Data field records · 2026 survey

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Anderson Drilling

Recorded as the driller on 1,057 water wells across 31 Montana counties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Ravalli County. Well-log records span 1914–2012.

1,057wells on record
since 2022
31counties served
50 ftmedian depth

Counties served

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

CountyWells drilled
Ravalli County 378
Teton County 263
Lake County 101
Yellowstone County 90
Pondera County 43
Lewis and Clark County 30
Sheridan County 25
Cascade County 23
Stillwater County 18
Missoula County 14
Roosevelt County 9
Richland County 8
Show all 31 counties
Sanders County 7
Daniels County 6
Sweet Grass County 6
Carbon County 5
Liberty County 5
Glacier County 4
Big Horn County 3
Chouteau County 3
Hill County 3
Flathead County 2
Musselshell County 2
Rosebud County 2
Blaine County 1
Gallatin County 1
Madison County 1
Mineral County 1
Park County 1
Phillips County 1
Valley County 1

Well characteristics

Across the wells Anderson Drilling has drilled, the median depth is 50 ft (middle half 33 ft–102 ft), median tested yield 12 gpm, and median static water level 15 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

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

"Records span 1914–2012" 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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