Colorado Well Data field records · 2026 survey

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E F Holman

Recorded as the driller on 97 water wells across 9 Colorado counties in the Colorado Division of Water Resources (DWR) well permit database, most in Chaffee County. Well-log records span 1936–2010.

97wells on record
since 2022
9counties served
40 ftmedian depth

Counties served

Wells drilled by E F Holman, by county, across the full record.

CountyWells drilled
Chaffee County 83
Park County 5
Saguache County 3
Adams County 1
Arapahoe County 1
Fremont County 1
Garfield County 1
Lake County 1
Yuma County 1

Well characteristics

Across the wells E F Holman has drilled, the median depth is 40 ft (middle half 30 ft–62 ft), median tested yield 10 gpm, and median static water level 95 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by E F Holman, straight from the public DWR record:

"Records span 1936–2010" 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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