⟁ Colorado Well Data field records · 2026 survey

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Gary M. Vallas

Recorded as the driller on 37 water wells across 7Coloradocounties in the Colorado Division of Water Resources (DWR) well permit database, most in Jefferson County. Well-log records span 1976–1984.

37wells on record
—since 2022
7counties served
240 ftmedian depth

Counties served

Wells drilled by Gary M. Vallas, by county, across the full record.

CountyWells drilled
Jefferson County19
Park County10
Grand County4
Teller County1
Douglas County1
Adams County1
Routt County1

Well characteristics

Across the wells Gary M. Vallas has drilled, the median depth is 240 ft (middle half 190 ft–300 ft), median tested yield 5 gpm, and median static water level 33 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Gary M. Vallas, straight from the public DWR record:

"Records span 1976–1984" 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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