Allison Drilling Co. Inc.
Recorded as the driller on 99 water wells across 11 Colorado counties in the Colorado Division of Water Resources (DWR) well permit database, most in Gunnison County. Well-log records span 1968–2003.
Counties served
Wells drilled by Allison Drilling Co. Inc., by county, across the full record.
| County | Wells drilled |
|---|---|
| Gunnison County | 71 |
| Delta County | 9 |
| Montrose County | 5 |
| Hinsdale County | 4 |
| Douglas County | 2 |
| Garfield County | 2 |
| Saguache County | 2 |
| Elbert County | 1 |
| Jefferson County | 1 |
| Kit Carson County | 1 |
| Park County | 1 |
Well characteristics
Across the wells Allison Drilling Co. Inc. has drilled, the median depth is 81 ft (middle half 48 ft–224 ft), median tested yield 40 gpm, and median static water level 20 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Allison Drilling Co. Inc., straight from the public DWR record:
"Records span 1968–2003" 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 Gunnison County, including Allison Drilling Co. Inc..
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