Allen Drilling & Excavating Co., Inc.
Recorded as the driller on 3,520 water wells across 8 Colorado counties in the Colorado Division of Water Resources (DWR) well permit database, most in Park County. Well-log records span 1902–2026.
Counties served
Wells drilled by Allen Drilling & Excavating Co., Inc., by county, across the full record.
| County | Wells drilled |
|---|---|
| Park County | 3,505 |
| Jefferson County | 7 |
| Morgan County | 2 |
| Summit County | 2 |
| Douglas County | 1 |
| Gilpin County | 1 |
| Logan County | 1 |
| Teller County | 1 |
Well characteristics
Across the wells Allen Drilling & Excavating Co., Inc. has drilled, the median depth is 240 ft (middle half 160 ft–360 ft), median tested yield 6 gpm, and median static water level 120 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Allen Drilling & Excavating Co., Inc., straight from the public DWR record:
"Records span 1902–2026" 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.
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