Iowa Well Data › Clay County
Clay County, Iowa: well depth, owners & drilling cost
✓ 1,471 Iowa DNR records · verified 2026-08-24
How deep are wells in Clay County, Iowa?
The median drilled well depth in Clay County is 36 ft, based on 1,428 wells with recorded depths in the state Iowa DNR database. Half of all wells fall between 24 ft and 171 ft; 90% are shallower than 395 ft. Wells drilled since 2016 have a median depth of 161 ft.
How much does it cost to drill a well in Clay County?
Applying published per-foot rates to the local median depth of 161 ft: drilling and casing alone typically runs $4,025–$10,465; a complete system including pump, pressure tank, and hookup typically runs $9,660–$16,100. Actual quotes depend on site access, geology, and casing requirements.
Free for property owners. We route your request only to licensed drillers who actually file well logs in Clay County — never sold elsewhere.
Pull every recorded well near a Clay County address — $29
Drilled depth distribution
Who drills wells in Clay 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 Clay County, ranked →
Get quotes from local drillers
See every recorded well near any address — depths, owners, drillers, original state well records — in a one-time report.
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.