⟁ Iowa Well Data field records · 2026 survey

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Middendorff,Craig - 4021

Recorded as the driller on 561 water wells across 20Iowacounties in the Iowa DNR Well Information System (IWIS), most in Calhoun County. Well-log records span 1900–2018.

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

Counties served

Wells drilled by Middendorff,Craig - 4021, by county, across the full record.

CountyWells drilled
Calhoun County111
Greene County70
Clay County69
Carroll County56
Buena Vista County50
Sac County48
Pocahontas County45
O'Brien County27
Plymouth County18
Guthrie County15
Cherokee County13
Palo Alto County12
Show all 20counties
Dickinson County11
Osceola County6
Crawford County4
Woodbury County2
Ida County1
Sioux County1
Emmet County1
Lyon County1

Well characteristics

Across the wells Middendorff,Craig - 4021 has drilled, the median depth is 182 ft (middle half 110 ft–340 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 Middendorff,Craig - 4021, straight from the public Iowa DNR record:

"Records span 1900–2018" 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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