American Drilling Service
Recorded as the driller on 3,555 water wells across 20Coloradocounties in the Colorado Division of Water Resources (DWR) well permit database, most in Chaffee County. Well-log records span 1979–2026.
Counties served
Wells drilled by American Drilling Service, by county, across the full record.
| County | Wells drilled |
|---|---|
| Chaffee County | 1,650 |
| Fremont County | 1,106 |
| Saguache County | 308 |
| Rio Grande County | 303 |
| Custer County | 105 |
| Lake County | 35 |
| Park County | 15 |
| Huerfano County | 6 |
| Pueblo County | 4 |
| Conejos County | 3 |
| Alamosa County | 3 |
| Mineral County | 3 |
Well characteristics
Across the wells American Drilling Service has drilled, the median depth is 200 ft (middle half 117 ft–347 ft), median tested yield 12 gpm, and median static water level 65 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 Service, straight from the public DWR record:
"Records span 1979–2026" refers to the earliest and latest well logs attributed to this company in the DWR 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 Chaffee County, including American Drilling Service.
Is this your company?
This page is built from the public DWR 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 DWR records. Claim your page to confirm the details are accurate and give customers a way to reach you. Free — reviewed before anything goes live.