Illinois Well Data field records · 2026 survey

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Gaffke, George E.

Recorded as the driller on 4,817 water wells across 8 Illinois counties in the Illinois State Geological Survey water well records, most in Lake County. Well-log records span 1928–2010.

4,817wells on record
since 2022
8counties served
170 ftmedian depth

Counties served

Wells drilled by Gaffke, George E., by county, across the full record.

CountyWells drilled
Lake County 3,859
Mchenry County 644
Cook County 264
Dupage County 19
Kane County 19
Kendall County 6
Will County 5
Dekalb County 1

Well characteristics

Across the wells Gaffke, George E. has drilled, the median depth is 170 ft (middle half 100 ft–237 ft), median tested yield 15 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 Gaffke, George E., straight from the public ISGS record:

"Records span 1928–2010" 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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