Holden & Holden
Recorded as the driller on 986 water wells across 14 Colorado counties in the Colorado Division of Water Resources (DWR) well permit database, most in Weld County. Well-log records span 1925–2025.
Counties served
Wells drilled by Holden & Holden, by county, across the full record.
| County | Wells drilled |
|---|---|
| Weld County | 550 |
| Adams County | 329 |
| Denver County | 45 |
| Arapahoe County | 22 |
| Boulder County | 9 |
| Jefferson County | 7 |
| Morgan County | 7 |
| Elbert County | 5 |
| Douglas County | 4 |
| Broomfield County | 3 |
| Park County | 2 |
| Kit Carson County | 1 |
…and 2 more Colorado counties.
Well characteristics
Across the wells Holden & Holden has drilled, the median depth is 64 ft (middle half 47 ft–122 ft), median tested yield 20 gpm, and median static water level 54 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Holden & Holden, straight from the public DWR record:
"Records span 1925–2025" 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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