Iowa Well Data › Mahaska County

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

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

✓ 1,508 Iowa DNR records · verified 2026-10-19

40 ftmedian well depth

28 ft–141 fttypical depth range

40 ftmedian depth since 2016

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How deep are wells in Mahaska County, Iowa?

The median drilled well depth in Mahaska County is 40 ft, based on 1,403 wells with recorded depths in the state Iowa DNR database. Half of all wells fall between 28 ft and 141 ft; 90% are shallower than 220 ft. Wells drilled since 2016 have a median depth of 40 ft.

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

Applying published per-foot rates to the local median depth of 40 ft: drilling and casing alone typically runs $1,000–$2,600; a complete system including pump, pressure tank, and hookup typically runs $2,400–$4,000. Actual quotes depend on site access, geology, and casing requirements.

Drilled depth distribution

0–50 ft 791 50–100 ft 140 100–150 ft 141 150–200 ft 141 200–300 ft 133 300–400 ft 53 400–600 ft 4 600+ ft 0

Who drills wells in Mahaska County?

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

Driller	Wells since 2016
GINGERICH,KLINT - 2639	3

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Looking at a specific property in Mahaska County?

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Well records by ZIP code in Mahaska County

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

New Sharon (50207) — 257 wells, median 40 ft
Oskaloosa (52577) — 208 wells, median 30 ft
Leighton (50143) — 191 wells, median 41 ft
Beacon (52534) — 169 wells, median 30 ft
Rose Hill (52586) — 145 wells, median 100 ft
Barnes City (50027) — 135 wells, median 40 ft
University Park (52595) — 121 wells, median 37 ft
Tracy (50256) — 91 wells, median 45 ft
Fremont (52561) — 87 wells, median 140 ft
Cedar (52543) — 63 wells, median 43 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.