Iowa Well Data › Benton County
Benton County, Iowa: well depth, owners & drilling cost
✓ 2,571 Iowa DNR records · verified 2026-08-24
How deep are wells in Benton County, Iowa?
The median drilled well depth in Benton County is 206 ft, based on 2,249 wells with recorded depths in the state Iowa DNR database. Half of all wells fall between 166 ft and 321 ft; 90% are shallower than 435 ft. Wells drilled since 2016 have a median depth of 306 ft.
How much does it cost to drill a well in Benton County?
Applying published per-foot rates to the local median depth of 306 ft: drilling and casing alone typically runs $7,650–$19,890; a complete system including pump, pressure tank, and hookup typically runs $18,360–$30,600. Actual quotes depend on site access, geology, and casing requirements.
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Drilled depth distribution
Who drills wells in Benton County?
Companies by number of wells completed in this county, per the well records Iowa drillers file with the DNR.
See every driller with wells on record in Benton County, ranked →
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Free lookup Property report — $29Method: 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.