⟁ Illinois Well Data field records · 2026 survey

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Rosenquist, Gerald

Recorded as the driller on 68 water wells across 4Illinoiscounties in the Illinois State Geological Survey water well records, most in Winnebago County. Well-log records span 1970–1980.

68wells on record
—since 2022
4counties served
155 ftmedian depth

Counties served

Wells drilled by Rosenquist, Gerald, by county, across the full record.

CountyWells drilled
Winnebago County62
Kane County4
Iroquois County1
Carroll County1

Well characteristics

Across the wells Rosenquist, Gerald has drilled, the median depth is 155 ft (middle half 140 ft–236 ft), median tested yield —, 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, Gerald, straight from the public ISGS record:

"Records span 1970–1980" 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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