⟁ Iowa Well Data field records · 2026 survey

Iowa Well Data › Johnson County

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

✓ 5,262 Iowa DNR records · verified 2026-08-24

180 ftmedian well depth
100 ft–295 fttypical depth range
300 ftmedian depth since 2016

How deep are wells in Johnson County, Iowa?

The median drilled well depth in Johnson County is 180 ft, based on 5,008 wells with recorded depths in the state Iowa DNR database. Half of all wells fall between 100 ft and 295 ft; 90% are shallower than 398 ft. Wells drilled since 2016 have a median depth of 300 ft.

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

Applying published per-foot rates to the local median depth of 300 ft: drilling and casing alone typically runs $7,500–$19,500; a complete system including pump, pressure tank, and hookup typically runs $18,000–$30,000. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 723 50–100 ft 465 100–150 ft 939 150–200 ft 502 200–300 ft 1,150 300–400 ft 729 400–600 ft 486 600+ ft 14

Who drills wells in Johnson County?

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

DrillerWells since 2016
GINGERICH,CORWIN - 2638176
GELEMENT,VALENTIN - 1071147
ALLEN,JOSEPH - 103539
STOLL,AUSTEN - 998735
GINGERICH,BRADEN - 1091325
* Unknown, -21
FREESE,RICK - 254417
SMITH,JOSEPH - 518916

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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.