South Dakota Well Data › Gregory County
Gregory County, South Dakota: well depth, water level & drilling cost
✓ 334 SD DANR records · verified 2026-08-24
How deep are wells in Gregory County, South Dakota?
The median drilled well depth in Gregory County is 72 ft, based on 334 wells with recorded depths in the state SD DANR database. Half of all wells fall between 60 ft and 795 ft; 90% are shallower than 1,018 ft. Wells drilled since 2016 have a median depth of 140 ft.
How much does it cost to drill a well in Gregory County?
Applying published per-foot rates to the local median depth of 140 ft: drilling and casing alone typically runs $3,500–$9,100; a complete system including pump, pressure tank, and hookup typically runs $8,400–$14,000. Actual quotes depend on site access, geology, and casing requirements.
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Drilled depth distribution
Who drills wells in Gregory County?
Companies by number of wells completed in this county, per the completion reports South Dakota drillers file with DANR.
| Driller | Wells since 2016 |
|---|---|
| STRETCH'S WELL SERVICE, INC. | 5 |
| GROSCH IRRIGATION CO., INC. | 3 |
| DIETZ WELL & PUMP COMPANY | 1 |
| BECK'S WELL & IRRIGATION, INC. | 1 |
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Free lookup Property report — $29Method: medians computed from SD DANR records (SD DANR NR68 well completion reports, water wells only (monitoring, test-hole, geothermal-loop and dewatering records 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.