⟁ Illinois Well Data field records · 2026 survey

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Keller, Larry

Recorded as the driller on 939 water wells across 9Illinoiscounties in the Illinois State Geological Survey water well records, most in Mchenry County. Well-log records span 1989–2024.

939wells on record
46since 2022
9counties served
116 ftmedian depth

Counties served

Wells drilled by Keller, Larry, by county, across the full record.

CountyWells drilled
Mchenry County830
Kane County51
Boone County30
Lake County15
Cook County6
Dekalb County4
Dupage County1
Stephenson County1
Winnebago County1

Well characteristics

Across the wells Keller, Larry has drilled, the median depth is 116 ft (middle half 62 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 Keller, Larry, straight from the public ISGS record:

"Records span 1989–2024" 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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