Illinois Well Data field records · 2026 survey

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Mcellhiney Wm. Sr.

Recorded as the driller on 26 water wells across 8 Illinois counties in the Illinois State Geological Survey water well records, most in Menard County. Well-log records span 1968–1979.

26wells on record
since 2022
8counties served
46 ftmedian depth

Counties served

Wells drilled by Mcellhiney Wm. Sr., by county, across the full record.

CountyWells drilled
Menard County 11
Cook County 5
Vermilion County 4
Dupage County 2
Macon County 1
Sangamon County 1
Will County 1
Winnebago County 1

Well characteristics

Across the wells Mcellhiney Wm. Sr. has drilled, the median depth is 46 ft (middle half 40 ft–193 ft), median tested yield 750 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 Mcellhiney Wm. Sr., straight from the public ISGS record:

"Records span 1968–1979" 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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