⟁ Iowa Well Data field records · 2026 survey

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Middendorff Well Co.

Recorded as the driller on 239 water wells across 13Iowacounties in the Iowa DNR Well Information System (IWIS), most in Buena Vista County. Well-log records span 1960–2025.

239wells on record
1since 2022
13counties served
62 ftmedian depth

Counties served

Wells drilled by Middendorff Well Co., by county, across the full record.

CountyWells drilled
Buena Vista County114
Dickinson County32
Clay County25
O'Brien County23
Sac County19
Pocahontas County13
Calhoun County6
Emmet County2
Guthrie County1
Ida County1
Cherokee County1
Sioux County1
Show all 13counties
Palo Alto County1

Well characteristics

Across the wells Middendorff Well Co. has drilled, the median depth is 62 ft (middle half 34 ft–149 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 Well Co., straight from the public Iowa DNR record:

"Records span 1960–2025" 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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