⟁ Illinois Well Data field records · 2026 survey

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Chadwick, G. W.

Recorded as the driller on 29 water wells across 8Illinoiscounties in the Illinois State Geological Survey water well records, most in Mason County. Well-log records span 1969–1979.

29wells on record
—since 2022
8counties served
86 ftmedian depth

Counties served

Wells drilled by Chadwick, G. W., by county, across the full record.

CountyWells drilled
Mason County14
Fulton County5
Morgan County4
Pike County2
Scott County1
Cass County1
Adams County1
Schuyler County1

Well characteristics

Across the wells Chadwick, G. W. has drilled, the median depth is 86 ft (middle half 69 ft–154 ft), median tested yield 10 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 Chadwick, G. W., straight from the public ISGS record:

"Records span 1969–1979" 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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