⟁ Iowa Well Data field records · 2026 survey

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Halweg,David - 40162

Recorded as the driller on 561 water wells across 20Iowacounties in the Iowa DNR Well Information System (IWIS), most in Dubuque County. Well-log records span 1989–2003.

561wells on record
—since 2022
20counties served
235 ftmedian depth

Counties served

Wells drilled by Halweg,David - 40162, by county, across the full record.

CountyWells drilled
Dubuque County278
Delaware County99
Clayton County68
Jackson County34
Fayette County22
Jones County17
Buchanan County10
Howard County7
Bremer County7
Muscatine County3
Floyd County3
Clinton County2
Show all 20counties
Black Hawk County2
Butler County2
Cerro Gordo County2
Johnson County1
Grundy County1
Allamakee County1
Mitchell County1
Winneshiek County1

Well characteristics

Across the wells Halweg,David - 40162 has drilled, the median depth is 235 ft (middle half 175 ft–326 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 Halweg,David - 40162, straight from the public Iowa DNR record:

"Records span 1989–2003" 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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