American Drilling & Supply
Recorded as the driller on 3,867 water wells across 20 Montana counties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Yellowstone County. Well-log records span 1939–2026.
Counties served
Wells drilled by American Drilling & Supply, by county, across the full record.
| County | Wells drilled |
|---|---|
| Yellowstone County | 3,018 |
| Big Horn County | 243 |
| Carbon County | 197 |
| Stillwater County | 170 |
| Musselshell County | 84 |
| Treasure County | 71 |
| Sweet Grass County | 22 |
| Rosebud County | 17 |
| Wheatland County | 14 |
| Golden Valley County | 13 |
| Custer County | 4 |
| Garfield County | 3 |
Show all 20 counties
| Carter County | 2 |
| Chouteau County | 2 |
| Park County | 2 |
| Gallatin County | 1 |
| Missoula County | 1 |
| Petroleum County | 1 |
| Phillips County | 1 |
| Powder River County | 1 |
Well characteristics
Across the wells American Drilling & Supply has drilled, the median depth is 43 ft (middle half 29 ft–120 ft), median tested yield 25 gpm, and median static water level 17 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by American Drilling & Supply, straight from the public MBMG record:
"Records span 1939–2026" 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.
Free. Goes to licensed drillers working Yellowstone County, including American Drilling & Supply.
Is this your company?
This page is built from the public GWIC well-log record and helps property owners find a driller. Claim it (free) to confirm the details are right and give customers a way to reach you.
This directory helps property owners find a driller, using public GWIC records. Claim your page to confirm the details are accurate and give customers a way to reach you. Free — reviewed before anything goes live.