⟁ Iowa Well Data field records · 2026 survey

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Martin,Gary - 40473

Recorded as the driller on 331 water wells across 15Iowacounties in the Iowa DNR Well Information System (IWIS), most in Winneshiek County. Well-log records span 1950–2004.

331wells on record
—since 2022
15counties served
300 ftmedian depth

Counties served

Wells drilled by Martin,Gary - 40473, by county, across the full record.

CountyWells drilled
Winneshiek County98
Allamakee County74
Fayette County52
Clayton County30
Howard County19
Chickasaw County15
Floyd County11
Butler County9
Mitchell County8
Bremer County6
Buchanan County4
Black Hawk County2
Show all 15counties
Linn County1
Benton County1
Cerro Gordo County1

Well characteristics

Across the wells Martin,Gary - 40473 has drilled, the median depth is 300 ft (middle half 160 ft–454 ft), median tested yield —, and median static water level — below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Martin,Gary - 40473, straight from the public Iowa DNR record:

"Records span 1950–2004" refers to the earliest and latest well logs attributed to this company in the Iowa 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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