⟁ Wisconsin Well Data field records · 2026 survey

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Sams Rotary Drillers Inc.

Recorded as the driller on 12,103 water wells across 47Wisconsincounties in the Wisconsin Department of Natural Resources Groundwater Retrieval Network (GRN) well-construction records, most in Dane County. Well-log records span 1939–2004.

12,103wells on record
—since 2022
47counties served
162 ftmedian depth

Counties served

Wells drilled by Sams Rotary Drillers Inc., by county, across the full record.

CountyWells drilled
Dane County4,751
Columbia County1,823
Dodge County896
Green County814
Jefferson County686
Sauk County684
Waukesha County312
Rock County304
Marquette County302
Iowa County292
Adams County223
Green Lake County169
Show all 47counties
Winnebago County152
Waushara County102
Lafayette County91
Juneau County76
Fond Du Lac County59
Washington County54
Walworth County46
Richland County46
Grant County43
Racine County40
Vernon County31
Ozaukee County18
Crawford County17
Monroe County11
Jackson County8
Portage County8
Clark County7
Lincoln County6
Sheboygan County4
Kenosha County3
Milwaukee County3
Outagamie County3
Eau Claire County3
Wood County2
Waupaca County2
Brown County2
Pierce County2
La Crosse County1
Manitowoc County1
Buffalo County1
Marathon County1
Polk County1
Langlade County1
Price County1
Vilas County1

Well characteristics

Across the wells Sams Rotary Drillers Inc. has drilled, the median depth is 162 ft (middle half 127 ft–220 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 Sams Rotary Drillers Inc., straight from the public WI DNR record:

"Records span 1939–2004" 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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