Mckinney, Winifred
Recorded as the driller on 138 water wells across 3 Illinois counties in the Illinois State Geological Survey water well records, most in Winnebago County. Well-log records span 1908–1980.
Counties served
Wells drilled by Mckinney, Winifred, by county, across the full record.
| County | Wells drilled |
|---|---|
| Winnebago County | 106 |
| Boone County | 21 |
| Ogle County | 11 |
Well characteristics
Across the wells Mckinney, Winifred has drilled, the median depth is 150 ft (middle half 121 ft–210 ft), median tested yield 30 gpm, and median static water level — below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Mckinney, Winifred, straight from the public ISGS record:
"Records span 1908–1980" refers to the earliest and latest well logs attributed to this company in the ISGS 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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