⟁ Wisconsin Well Data field records · 2026 survey

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Michael G Hartman

Recorded as the driller on 1,407 water wells across 17Wisconsincounties in the Wisconsin Department of Natural Resources Groundwater Retrieval Network (GRN) well-construction records, most in Waukesha County. Well-log records span 2003–2013.

1,407wells on record
—since 2022
17counties served
140 ftmedian depth

Counties served

Wells drilled by Michael G Hartman, by county, across the full record.

CountyWells drilled
Waukesha County679
Washington County282
Racine County115
Jefferson County76
Walworth County69
Ozaukee County57
Dodge County49
Kenosha County22
Milwaukee County16
Vilas County13
Sheboygan County10
Fond Du Lac County9
Show all 17counties
Oneida County4
Waushara County2
Waupaca County2
Columbia County1
Winnebago County1

Well characteristics

Across the wells Michael G Hartman has drilled, the median depth is 140 ft (middle half 76 ft–205 ft), median tested yield 30 gpm, and median static water level 40 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Michael G Hartman, straight from the public WI DNR record:

"Records span 2003–2013" 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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