⟁ Wisconsin Well Data field records · 2026 survey

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Patrick J Lahr

Recorded as the driller on 1,066 water wells across 12Wisconsincounties in the Wisconsin Department of Natural Resources Groundwater Retrieval Network (GRN) well-construction records, most in Waukesha County. Well-log records span 1988–2000.

1,066wells on record
—since 2022
12counties served
140 ftmedian depth

Counties served

Wells drilled by Patrick J Lahr, by county, across the full record.

CountyWells drilled
Waukesha County452
Walworth County331
Washington County95
Racine County76
Kenosha County35
Jefferson County22
Milwaukee County16
Ozaukee County16
Dodge County11
Rock County9
Waushara County1
Marathon County1

Well characteristics

Across the wells Patrick J Lahr has drilled, the median depth is 140 ft (middle half 75 ft–210 ft), median tested yield 20 gpm, and median static water level 45 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Patrick J Lahr, straight from the public WI DNR record:

"Records span 1988–2000" 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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