Iowa Well Data field records · 2026 survey

Iowa Well Data › Marshall County

Marshall County, Iowa: well depth, owners & drilling cost

✓ 646 Iowa DNR records · verified 2026-08-24

110 ftmedian well depth
35 ft–229 fttypical depth range
215 ftmedian depth since 2016

How deep are wells in Marshall County, Iowa?

The median drilled well depth in Marshall County is 110 ft, based on 592 wells with recorded depths in the state Iowa DNR database. Half of all wells fall between 35 ft and 229 ft; 90% are shallower than 313 ft. Wells drilled since 2016 have a median depth of 215 ft.

How much does it cost to drill a well in Marshall County?

Applying published per-foot rates to the local median depth of 215 ft: drilling and casing alone typically runs $5,375–$13,975; a complete system including pump, pressure tank, and hookup typically runs $12,900–$21,500. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 226 50–100 ft 50 100–150 ft 59 150–200 ft 66 200–300 ft 119 300–400 ft 36 400–600 ft 28 600+ ft 8

Who drills wells in Marshall County?

Companies by number of wells completed in this county, per the well records Iowa drillers file with the DNR.

DrillerWells since 2016
GINGERICH,KLINT - 26394
LARSON,RILEY - 84161

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Method: medians computed from Iowa DNR records (Iowa DNR Well Information System records, water-supply wells only (monitoring, test, dewatering, injection and closed-loop geothermal wells excluded); depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.