⟁ Illinois Well Data field records · 2026 survey

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Bull, Jack Well & Septic

Recorded as the driller on 707 water wells across 5Illinoiscounties in the Illinois State Geological Survey water well records, most in Winnebago County. Well-log records span 1974–2002.

707wells on record
—since 2022
5counties served
160 ftmedian depth

Counties served

Wells drilled by Bull, Jack Well & Septic, by county, across the full record.

CountyWells drilled
Winnebago County529
Boone County162
Ogle County8
Dekalb County5
Stephenson County3

Well characteristics

Across the wells Bull, Jack Well & Septic has drilled, the median depth is 160 ft (middle half 83 ft–205 ft), median tested yield 10 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 Bull, Jack Well & Septic, straight from the public ISGS record:

"Records span 1974–2002" 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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