⟁ Illinois Well Data field records · 2026 survey

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Randy Roop/Jonas Martin Drlg.

Recorded as the driller on 367 water wells across 10Illinoiscounties in the Illinois State Geological Survey water well records, most in Ogle County. Well-log records span 2000–2007.

367wells on record
—since 2022
10counties served
230 ftmedian depth

Counties served

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

CountyWells drilled
Ogle County214
Lee County53
Jo Daviess County29
Whiteside County25
Carroll County19
Stephenson County10
Winnebago County8
Lasalle County7
Kane County1
Dekalb County1

Well characteristics

Across the wells Randy Roop/Jonas Martin Drlg. has drilled, the median depth is 230 ft (middle half 185 ft–305 ft), median tested yield 20 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 Randy Roop/Jonas Martin Drlg., straight from the public ISGS record:

"Records span 2000–2007" 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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