⟁ Illinois Well Data field records · 2026 survey

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Rosenquist, Robert G.

Recorded as the driller on 162 water wells across 8Illinoiscounties in the Illinois State Geological Survey water well records, most in Boone County. Well-log records span 1996–2022.

162wells on record
2since 2022
8counties served
225 ftmedian depth

Counties served

Wells drilled by Rosenquist, Robert G., by county, across the full record.

CountyWells drilled
Boone County110
Ogle County18
Winnebago County16
Dekalb County9
Stephenson County4
Lee County3
Bureau County1
Kane County1

Well characteristics

Across the wells Rosenquist, Robert G. has drilled, the median depth is 225 ft (middle half 180 ft–245 ft), median tested yield 25 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 Rosenquist, Robert G., straight from the public ISGS record:

"Records span 1996–2022" 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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