Iowa Well Data › Clay County

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

Name: Clay County, Iowa water well statistics
Creator: Iowa Well Data
License: https://creativecommons.org/licenses/by/4.0/

✓ 1,474 Iowa DNR records · verified 2026-10-19

36 ftmedian well depth

23 ft–167 fttypical depth range

161 ftmedian depth since 2016

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How deep are wells in Clay County, Iowa?

The median drilled well depth in Clay County is 36 ft, based on 1,431 wells with recorded depths in the state Iowa DNR database. Half of all wells fall between 23 ft and 167 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 36 ft: drilling and casing alone typically runs $900–$2,340; a complete system including pump, pressure tank, and hookup typically runs $2,160–$3,600. Actual quotes depend on site access, geology, and casing requirements.

Drilled depth distribution

0–50 ft 841 50–100 ft 177 100–150 ft 38 150–200 ft 42 200–300 ft 75 300–400 ft 120 400–600 ft 124 600+ ft 14

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.

Driller	Wells since 2016
WERNIMONT,GARY - 6669	17
STRAND,MICHAEL - 5350	14
SCHEIBER,BRADY - 11512	14
MIDDENDORFF,CRAIG - 4021	6
STEECE,LARRY - 5273	6
VANDEBRAKE,LARRY - 5578	5
WALKER,JEREMY - 6087	2
MADSEN,MATTHEW - 11805	1

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Looking at a specific property in Clay County?

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Well records by ZIP code in Clay County

Median depth, water level, and yield for each ZIP code with recorded wells.

Spencer (51301) — 351 wells, median 25 ft
Everly (51338) — 238 wells, median 33 ft
Royal (51357) — 150 wells, median 33 ft
Dickens (51333) — 145 wells, median 37 ft
Webb (51366) — 122 wells, median 68 ft
Peterson (51047) — 115 wells, median 67 ft
Fostoria (51340) — 100 wells, median 38 ft
Greenville (51343) — 70 wells, median 49 ft
Gillett Grove (51341) — 62 wells, median 58 ft

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.