Wiley Well Drilling Inc.
Recorded as the driller on 6,637 water wells across 21 Ohio counties in the Ohio Department of Natural Resources (ODNR) Division of Geological Survey water-well log database, most in Darke County. Well-log records span 1918–2026.
Counties served
Wells drilled by Wiley Well Drilling Inc., by county, across the full record.
| County | Wells drilled |
|---|---|
| Darke County | 2,782 |
| Miami County | 1,448 |
| Preble County | 1,267 |
| Montgomery County | 570 |
| Shelby County | 160 |
| Champaign County | 137 |
| Clark County | 84 |
| Logan County | 59 |
| Mercer County | 39 |
| Greene County | 28 |
| Butler County | 22 |
| Warren County | 10 |
…and 9 more Ohio counties.
Well characteristics
Across the wells Wiley Well Drilling Inc. has drilled, the median depth is 101 ft (middle half 70 ft–141 ft), median tested yield 35 gpm, and median static water level 24 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Wiley Well Drilling Inc., straight from the public ODNR record:
"Records span 1918–2026" refers to the earliest and latest well logs attributed to this company in the ODNR 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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