Iowa Well Data field records · 2026 survey

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Halweg,David - 40162

Recorded as the driller on 561 water wells across 20 Iowa counties 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 County 278
Delaware County 99
Clayton County 68
Jackson County 34
Fayette County 22
Jones County 17
Buchanan County 10
Bremer County 7
Howard County 7
Floyd County 3
Muscatine County 3
Black Hawk County 2

…and 8 more Iowa counties.

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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