⟁ Illinois Well Data field records · 2026 survey

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John E. Liberg

Recorded as the driller on 34 water wells across 4Illinoiscounties in the Illinois State Geological Survey water well records, most in Dupage County. Well-log records span 1900–2000.

34wells on record
—since 2022
4counties served
188 ftmedian depth

Counties served

Wells drilled by John E. Liberg, by county, across the full record.

CountyWells drilled
Dupage County17
Kane County10
Cook County5
Jo Daviess County2

Well characteristics

Across the wells John E. Liberg has drilled, the median depth is 188 ft (middle half 171 ft–255 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 John E. Liberg, straight from the public ISGS record:

"Records span 1900–2000" 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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