⟁ Colorado Well Data field records · 2026 survey

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Ernie's Mountain Drilling Inc.

Recorded as the driller on 3,118 water wells across 14Coloradocounties in the Colorado Division of Water Resources (DWR) well permit database, most in Jefferson County. Well-log records span 1949–2008.

3,118wells on record
—since 2022
14counties served
342 ftmedian depth

Counties served

Wells drilled by Ernie's Mountain Drilling Inc., by county, across the full record.

CountyWells drilled
Jefferson County1,978
Park County774
Clear Creek County318
Gilpin County17
Boulder County12
Douglas County5
Grand County5
Eagle County2
Summit County2
Baca County1
Fremont County1
El Paso County1
Show all 14counties
Garfield County1
Yuma County1

Well characteristics

Across the wells Ernie's Mountain Drilling Inc. has drilled, the median depth is 342 ft (middle half 210 ft–503 ft), median tested yield 5 gpm, and median static water level 55 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Ernie's Mountain Drilling Inc., straight from the public DWR record:

"Records span 1949–2008" 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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