⟁ Illinois Well Data field records · 2026 survey

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Bilsky, J. W.

Recorded as the driller on 30 water wells across 1Illinoiscounty in the Illinois State Geological Survey water well records, most in Dupage County. Well-log records span 1957–1970.

30wells on record
—since 2022
1counties served
157 ftmedian depth

Counties served

Wells drilled by Bilsky, J. W., by county, across the full record.

CountyWells drilled
Dupage County30

Well characteristics

Across the wells Bilsky, J. W. has drilled, the median depth is 157 ft (middle half 138 ft–174 ft), median tested yield —, 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 Bilsky, J. W., straight from the public ISGS record:

"Records span 1957–1970" 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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