Illinois Well Data field records · 2026 survey

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Klassen, Genevieve M.

Recorded as the driller on 96 water wells across 21 Illinois counties in the Illinois State Geological Survey water well records, most in Mason County. Well-log records span 1991–2012.

96wells on record
since 2022
21counties served
103 ftmedian depth

Counties served

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

CountyWells drilled
Mason County 40
Whiteside County 17
Cass County 7
Tazewell County 5
Carroll County 4
Greene County 4
Lee County 3
Mercer County 2
Scott County 2
Bureau County 1
Champaign County 1
Christian County 1

…and 9 more Illinois counties.

Well characteristics

Across the wells Klassen, Genevieve M. has drilled, the median depth is 103 ft (middle half 80 ft–135 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 M., straight from the public ISGS record:

"Records span 1991–2012" 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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