⟁ Illinois Well Data field records · 2026 survey

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Adolphson, Bob

Recorded as the driller on 63 water wells across 4Illinoiscounties in the Illinois State Geological Survey water well records, most in Warren County. Well-log records span 1967–1980.

63wells on record
—since 2022
4counties served
219 ftmedian depth

Counties served

Wells drilled by Adolphson, Bob, by county, across the full record.

CountyWells drilled
Warren County35
Knox County18
Henderson County7
Peoria County3

Well characteristics

Across the wells Adolphson, Bob has drilled, the median depth is 219 ft (middle half 172 ft–322 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 Adolphson, Bob, straight from the public ISGS record:

"Records span 1967–1980" 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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