⟁ Illinois Well Data field records · 2026 survey

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Roop, Randy/Jonas Martin Drlg.

Recorded as the driller on 393 water wells across 9Illinoiscounties in the Illinois State Geological Survey water well records, most in Ogle County. Well-log records span 2002–2024.

393wells on record
31since 2022
9counties served
233 ftmedian depth

Counties served

Wells drilled by Roop, Randy/Jonas Martin Drlg., by county, across the full record.

CountyWells drilled
Ogle County248
Lee County95
Whiteside County21
Dekalb County9
Carroll County8
Stephenson County5
Winnebago County3
Jo Daviess County3
Boone County1

Well characteristics

Across the wells Roop, Randy/Jonas Martin Drlg. has drilled, the median depth is 233 ft (middle half 195 ft–305 ft), median tested yield 18 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 Roop, Randy/Jonas Martin Drlg., straight from the public ISGS record:

"Records span 2002–2024" 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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