⟁ Illinois Well Data field records · 2026 survey

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Von Oepen, Ernest

Recorded as the driller on 55 water wells across 3Illinoiscounties in the Illinois State Geological Survey water well records, most in Cook County. Well-log records span 1943–1973.

55wells on record
—since 2022
3counties served
209 ftmedian depth

Counties served

Wells drilled by Von Oepen, Ernest, by county, across the full record.

CountyWells drilled
Cook County32
Lake County17
Mchenry County6

Well characteristics

Across the wells Von Oepen, Ernest has drilled, the median depth is 209 ft (middle half 165 ft–256 ft), median tested yield 15 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 Von Oepen, Ernest, straight from the public ISGS record:

"Records span 1943–1973" 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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