Illinois Well Data field records · 2026 survey

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Cook, George

Recorded as the driller on 305 water wells across 11 Illinois counties in the Illinois State Geological Survey water well records, most in Sangamon County. Well-log records span 1965–1981.

305wells on record
since 2022
11counties served
35 ftmedian depth

Counties served

Wells drilled by Cook, George, by county, across the full record.

CountyWells drilled
Sangamon County 222
Vermilion County 37
Menard County 23
Christian County 10
Logan County 5
Coles County 3
Cass County 1
Champaign County 1
Douglas County 1
Macon County 1
Schuyler County 1

Well characteristics

Across the wells Cook, George has drilled, the median depth is 35 ft (middle half 28 ft–41 ft), median tested yield 1 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 Cook, George, straight from the public ISGS record:

"Records span 1965–1981" 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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