Iowa Well Data › Plymouth County
Plymouth County, Iowa: well depth, owners & drilling cost
✓ 2,598 Iowa DNR records · verified 2026-10-19
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How deep are wells in Plymouth County, Iowa?
The median drilled well depth in Plymouth County is 120 ft, based on 2,302 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 120 ft: drilling and casing alone typically runs $3,000–$7,800; a complete system including pump, pressure tank, and hookup typically runs $7,200–$12,000. Actual quotes depend on site access, geology, and casing requirements.
Drilled depth distribution
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 |
| HOOGLAND,BARRY - 10091 | 3 |
| GINGERICH,CORWIN - 2638 | 3 |
| WATERBURY,CHRISTOPHER - 13226 | 2 |
| * Unknown, - | 2 |
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Well records by ZIP code in Plymouth County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Sioux City (51108) — 479 wells, median 200 ft
- Hinton (51024) — 345 wells, median 175 ft
- Le Mars (51031) — 274 wells, median 54 ft
- Westfield (51062) — 267 wells, median 127 ft
- Merrill (51038) — 262 wells, median 183 ft
- Kingsley (51028) — 239 wells, median 61 ft
- Remsen (51050) — 189 wells, median 39 ft
- Oyens (51045) — 150 wells, median 169 ft
- Brunsville (51008) — 150 wells, median 86 ft
- Akron (51001) — 110 wells, median 93 ft
- Chatsworth (51011) — 51 wells, median 190 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.