⟁ Illinois Well Data field records · 2026 survey

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Liberg, John E.

Recorded as the driller on 346 water wells across 13Illinoiscounties in the Illinois State Geological Survey water well records, most in Dupage County. Well-log records span 1965–2019.

346wells on record
—since 2022
13counties served
165 ftmedian depth

Counties served

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

CountyWells drilled
Dupage County176
Kane County83
Cook County32
Mchenry County23
Lake County11
Will County10
Jo Daviess County3
Kendall County2
Lee County2
Madison County1
Grundy County1
Lasalle County1
Show all 13counties
Carroll County1

Well characteristics

Across the wells Liberg, John E. has drilled, the median depth is 165 ft (middle half 138 ft–200 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 Liberg, John E., straight from the public ISGS record:

"Records span 1965–2019" 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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