Colorado Well Data field records · 2026 survey

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Ancell Drilling Service

Recorded as the driller on 112 water wells across 5 Colorado counties in the Colorado Division of Water Resources (DWR) well permit database, most in Montezuma County. Well-log records span 1963–1990.

112wells on record
since 2022
5counties served
77 ftmedian depth

Counties served

Wells drilled by Ancell Drilling Service, by county, across the full record.

CountyWells drilled
Montezuma County 80
La Plata County 17
Dolores County 11
Archuleta County 3
Weld County 1

Well characteristics

Across the wells Ancell Drilling Service has drilled, the median depth is 77 ft (middle half 40 ft–142 ft), median tested yield 11 gpm, and median static water level 195 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Ancell Drilling Service, straight from the public DWR record:

"Records span 1963–1990" 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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