Iowa Well Data › O'Brien County
O'Brien County, Iowa: well depth, owners & drilling cost
✓ 1,196 Iowa DNR records · verified 2026-08-24
How deep are wells in O'Brien County, Iowa?
The median drilled well depth in O'Brien County is 34 ft, based on 1,089 wells with recorded depths in the state Iowa DNR database. Half of all wells fall between 24 ft and 80 ft; 90% are shallower than 480 ft. Wells drilled since 2016 have a median depth of 47 ft.
How much does it cost to drill a well in O'Brien County?
Applying published per-foot rates to the local median depth of 47 ft: drilling and casing alone typically runs $1,175–$3,055; a complete system including pump, pressure tank, and hookup typically runs $2,820–$4,700. Actual quotes depend on site access, geology, and casing requirements.
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Drilled depth distribution
Who drills wells in O'Brien 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 | 7 |
| STEECE,LARRY - 5273 | 5 |
| MIDDENDORFF,CRAIG - 4021 | 5 |
| VANDEBRAKE,LARRY - 5578 | 2 |
| STRAND,MICHAEL - 5350 | 2 |
| ALTON WELL | 1 |
| * Unknown, - | 1 |
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Free lookup Property report — $29Method: 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.