Iowa Well Data › Grundy County
Grundy County, Iowa: well depth, owners & drilling cost
✓ 1,253 Iowa DNR records · verified 2026-10-19
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How deep are wells in Grundy County, Iowa?
The median drilled well depth in Grundy County is 170 ft, based on 1,214 wells with recorded depths in the state Iowa DNR database. Half of all wells fall between 120 ft and 250 ft; 90% are shallower than 350 ft. Wells drilled since 2016 have a median depth of 190 ft.
How much does it cost to drill a well in Grundy County?
Applying published per-foot rates to the local median depth of 170 ft: drilling and casing alone typically runs $4,250–$11,050; a complete system including pump, pressure tank, and hookup typically runs $10,200–$17,000. Actual quotes depend on site access, geology, and casing requirements.
Drilled depth distribution
Who drills wells in Grundy County?
Companies by number of wells completed in this county, per the well records Iowa drillers file with the DNR.
| Driller | Wells since 2016 |
|---|---|
| PIETERS,KEVIN - 4541 | 16 |
| MARTIN,GARY - 3845 | 3 |
| SHAWVER,GARY - 5066 | 1 |
| HALWEG, JR,DAVID - 10712 | 1 |
| Shawver Well Co. | 1 |
| ERICKSON,CRAIG - 7918 | 1 |
| LARSON,RILEY - 8416 | 1 |
| HALWEG,DAVID - 2814 | 1 |
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Well records by ZIP code in Grundy County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Dike (50624) — 225 wells, median 200 ft
- Wellsburg (50680) — 178 wells, median 160 ft
- Holland (50642) — 127 wells, median 200 ft
- Stout (50673) — 124 wells, median 200 ft
- Whitten (50269) — 111 wells, median 125 ft
- Conrad (50621) — 98 wells, median 128 ft
- Grundy Center (50638) — 94 wells, median 200 ft
- Morrison (50657) — 93 wells, median 215 ft
- Beaman (50609) — 75 wells, median 125 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.