⟁ Illinois Well Data field records · 2026 survey

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Klassen, Genevieve Sue

Recorded as the driller on 67 water wells across 14Illinoiscounties in the Illinois State Geological Survey water well records, most in Mason County. Well-log records span 1990–1994.

67wells on record
—since 2022
14counties served
98 ftmedian depth

Counties served

Wells drilled by Klassen, Genevieve Sue, by county, across the full record.

CountyWells drilled
Mason County24
Cass County11
Whiteside County8
Logan County6
Scott County5
Tazewell County3
Menard County2
Lee County2
Johnson County1
Greene County1
Champaign County1
Woodford County1
Show all 14counties
Henderson County1
Rock Island County1

Well characteristics

Across the wells Klassen, Genevieve Sue has drilled, the median depth is 98 ft (middle half 77 ft–114 ft), median tested yield 1,000 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 Klassen, Genevieve Sue, straight from the public ISGS record:

"Records span 1990–1994" 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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