Wisconsin Well Data field records · 2026 survey

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Don O'connor

Recorded as the driller on 50 water wells across 3 Wisconsin counties in the Wisconsin Department of Natural Resources Groundwater Retrieval Network (GRN) well-construction records, most in Sauk County. Well-log records span 1954–1969.

50wells on record
since 2022
3counties served
153 ftmedian depth

Counties served

Wells drilled by Don O'connor, by county, across the full record.

CountyWells drilled
Sauk County 48
Columbia County 1
Dane County 1

Well characteristics

Across the wells Don O'connor has drilled, the median depth is 153 ft (middle half 112 ft–220 ft), median tested yield 15 gpm, and median static water level 68 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Don O'connor, straight from the public WI DNR record:

"Records span 1954–1969" refers to the earliest and latest well logs attributed to this company in the WI DNR 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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