⟁ Illinois Well Data field records · 2026 survey

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Knierim, Phillip E.

Recorded as the driller on 301 water wells across 5Illinoiscounties in the Illinois State Geological Survey water well records, most in Dupage County. Well-log records span 1970–1978.

301wells on record
—since 2022
5counties served
140 ftmedian depth

Counties served

Wells drilled by Knierim, Phillip E., by county, across the full record.

CountyWells drilled
Dupage County130
Will County105
Cook County29
Mchenry County24
Lake County13

Well characteristics

Across the wells Knierim, Phillip E. has drilled, the median depth is 140 ft (middle half 90 ft–180 ft), median tested yield 20 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 Knierim, Phillip E., straight from the public ISGS record:

"Records span 1970–1978" 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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