Colorado Well Data field records · 2026 survey

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Aspen Drilling Company Inc.

Recorded as the driller on 2,575 water wells across 14 Colorado counties in the Colorado Division of Water Resources (DWR) well permit database, most in Jefferson County. Well-log records span 1972–2017.

2,575wells on record
since 2022
14counties served
405 ftmedian depth

Counties served

Wells drilled by Aspen Drilling Company Inc., by county, across the full record.

CountyWells drilled
Jefferson County 1,749
Park County 399
Clear Creek County 283
Gilpin County 43
Boulder County 33
Douglas County 23
Weld County 20
Arapahoe County 7
Denver County 6
Adams County 5
Larimer County 4
Broomfield County 1

…and 2 more Colorado counties.

Well characteristics

Across the wells Aspen Drilling Company Inc. has drilled, the median depth is 405 ft (middle half 285 ft–540 ft), median tested yield 7 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 Aspen Drilling Company Inc., straight from the public DWR record:

"Records span 1972–2017" 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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