A-1 Drilling/Billings Drilling
Recorded as the driller on 804 water wells across 16 Montana counties in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC), most in Yellowstone County. Well-log records span 1980–2025.
Counties served
Wells drilled by A-1 Drilling/Billings Drilling, by county, across the full record.
| County | Wells drilled |
|---|---|
| Yellowstone County | 498 |
| Stillwater County | 198 |
| Carbon County | 45 |
| Sweet Grass County | 25 |
| Big Horn County | 9 |
| Golden Valley County | 6 |
| Musselshell County | 6 |
| Park County | 4 |
| Jefferson County | 3 |
| Fergus County | 2 |
| Gallatin County | 2 |
| Meagher County | 2 |
Show all 16 counties
| Broadwater County | 1 |
| Petroleum County | 1 |
| Treasure County | 1 |
| Wheatland County | 1 |
Well characteristics
Across the wells A-1 Drilling/Billings Drilling has drilled, the median depth is 39 ft (middle half 29 ft–82 ft), median tested yield 48 gpm, and median static water level 14 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by A-1 Drilling/Billings Drilling, straight from the public MBMG record:
"Records span 1980–2025" 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 A-1 Drilling/Billings Drilling.
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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.