⟁ Iowa Well Data field records · 2026 survey

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Greiner Well Service, Inc.

Recorded as the driller on 43 water wells across 9Iowacounties in the Iowa DNR Well Information System (IWIS), most in Linn County. Well-log records span 1900–2004.

43wells on record
—since 2022
9counties served
200 ftmedian depth

Counties served

Wells drilled by Greiner Well Service, Inc., by county, across the full record.

CountyWells drilled
Linn County21
Jones County9
Johnson County4
Benton County3
Delaware County2
Cedar County1
Clarke County1
Bremer County1
Clayton County1

Well characteristics

Across the wells Greiner Well Service, Inc. has drilled, the median depth is 200 ft (middle half 178 ft–288 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 Greiner Well Service, Inc., straight from the public Iowa DNR record:

"Records span 1900–2004" 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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