Iowa Well Data › Polk County

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

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

✓ 3,476 Iowa DNR records · verified 2026-10-19

30 ftmedian well depth

18 ft–100 fttypical depth range

200 ftmedian depth since 2016

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How deep are wells in Polk County, Iowa?

The median drilled well depth in Polk County is 30 ft, based on 3,158 wells with recorded depths in the state Iowa DNR database. Half of all wells fall between 18 ft and 100 ft; 90% are shallower than 340 ft. Wells drilled since 2016 have a median depth of 200 ft.

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

Applying published per-foot rates to the local median depth of 30 ft: drilling and casing alone typically runs $750–$1,950; a complete system including pump, pressure tank, and hookup typically runs $1,800–$3,000. Actual quotes depend on site access, geology, and casing requirements.

Drilled depth distribution

0–50 ft 1,994 50–100 ft 368 100–150 ft 190 150–200 ft 74 200–300 ft 154 300–400 ft 129 400–600 ft 193 600+ ft 56

Who drills wells in Polk 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,CORWIN - 2638	30
COONS,RAYMOND - 1987	19
THORPE,COULTON - 9540	11
THORPE,TOMMY - 8508	11
THORPE,TOM - 5469	9
ALLEN,JOSEPH - 1035	5
HUTCHISON,SHELDON - 8378	4
CAREY,JAMES - 8244	3

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Well records by ZIP code in Polk County

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

Ankeny (50023) — 201 wells, median 50 ft
Des Moines (50392) — 151 wells, median 22 ft
Grimes (50111) — 150 wells, median 49 ft
Des Moines (50316) — 145 wells, median 18 ft
Urbandale (50323) — 141 wells, median 21 ft
Pleasant Hill (50327) — 137 wells, median 42 ft
Des Moines (50321) — 130 wells, median 20 ft
Johnston (50131) — 124 wells, median 58 ft
Des Moines (50313) — 122 wells, median 23 ft
Runnells (50237) — 121 wells, median 50 ft
Polk City (50226) — 112 wells, median 100 ft
Ankeny (50021) — 108 wells, median 110 ft
Mitchellville (50169) — 106 wells, median 54 ft
Elkhart (50073) — 105 wells, median 100 ft
Alleman (50007) — 97 wells, median 194 ft
Des Moines (50301) — 90 wells, median 20 ft
Des Moines (50320) — 89 wells, median 30 ft
West Des Moines (50265) — 89 wells, median 20 ft
Des Moines (50315) — 88 wells, median 15 ft
Des Moines (50319) — 85 wells, median 20 ft
Altoona (50009) — 78 wells, median 48 ft
Des Moines (50312) — 75 wells, median 18 ft
Des Moines (50317) — 73 wells, median 25 ft
Bondurant (50035) — 64 wells, median 190 ft
Berwick (50032) — 63 wells, median 35 ft
Windsor Heights (50324) — 61 wells, median 18 ft
Urbandale (50398) — 57 wells, median 15 ft
Sheldahl (50243) — 52 wells, median 160 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.