⟁ Wisconsin Well Data field records · 2026 survey

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Sylvester R Haupt

Recorded as the driller on 1,031 water wells across 29Wisconsincounties in the Wisconsin Department of Natural Resources Groundwater Retrieval Network (GRN) well-construction records, most in Marathon County. Well-log records span 1986–2004.

1,031wells on record
—since 2022
29counties served
142 ftmedian depth

Counties served

Wells drilled by Sylvester R Haupt, by county, across the full record.

CountyWells drilled
Marathon County345
Wood County260
Clark County147
Portage County111
Waupaca County38
Juneau County29
Richland County13
La Crosse County13
Waushara County13
Vernon County11
Adams County9
Sauk County8
Show all 29counties
Monroe County8
Shawano County5
Taylor County3
Rock County2
Grant County2
Iowa County2
Crawford County2
Lafayette County1
Columbia County1
Trempealeau County1
Jackson County1
Eau Claire County1
Dunn County1
Chippewa County1
Lincoln County1
Oneida County1
Vilas County1

Well characteristics

Across the wells Sylvester R Haupt has drilled, the median depth is 142 ft (middle half 100 ft–202 ft), median tested yield 8 gpm, and median static water level 16 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Sylvester R Haupt, straight from the public WI DNR record:

"Records span 1986–2004" 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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