Iowa Well Data › Plymouth County

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

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

✓ 2,587 Iowa DNR records · verified 2026-08-24

120 ftmedian well depth

45 ft–295 fttypical depth range

280 ftmedian depth since 2016

How deep are wells in Plymouth County, Iowa?

The median drilled well depth in Plymouth County is 120 ft, based on 2,295 wells with recorded depths in the state Iowa DNR database. Half of all wells fall between 45 ft and 295 ft; 90% are shallower than 400 ft. Wells drilled since 2016 have a median depth of 280 ft.

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

Applying published per-foot rates to the local median depth of 280 ft: drilling and casing alone typically runs $7,000–$18,200; a complete system including pump, pressure tank, and hookup typically runs $16,800–$28,000. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 611 50–100 ft 336 100–150 ft 258 150–200 ft 155 200–300 ft 367 300–400 ft 333 400–600 ft 218 600+ ft 17

Who drills wells in Plymouth 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	54
BRESNAHAN,RON - 1626	15
MERRIMAN,LARRY - 3996	13
WALSH,DENNIS - 5683	3
GINGERICH,CORWIN - 2638	3
HOOGLAND,BARRY - 10091	3
HAMMOND,RICHARD - 2829	2
WATERBURY,CHRISTOPHER - 13226	2

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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.