South Dakota Well Data › Clark County
Clark County, South Dakota: well depth, water level & drilling cost
✓ 532 SD DANR records · verified 2026-10-19
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How deep are wells in Clark County, South Dakota?
The median drilled well depth in Clark County is 153 ft, based on 532 wells with recorded depths in the state SD DANR database. Half of all wells fall between 74 ft and 479 ft; 90% are shallower than 1,056 ft. Wells drilled since 2016 have a median depth of 135 ft.
How much does it cost to drill a well in Clark County?
Applying published per-foot rates to the local median depth of 153 ft: drilling and casing alone typically runs $3,825–$9,945; a complete system including pump, pressure tank, and hookup typically runs $9,180–$15,300. Actual quotes depend on site access, geology, and casing requirements.
Drilled depth distribution
Who drills wells in Clark 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. | 37 |
| THEIN WELL COMPANY, INC. | 15 |
| PULLMAN WELL DRILLING | 8 |
| STEFFL DRILLING & PUMP, INC. | 6 |
| KAISER WELL DRILLING | 4 |
| GEOTEK ENGINEERING & TESTING | 2 |
| DAKOTA WELL DRILLING | 1 |
| LACEY WELL DRILLING | 1 |
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Well records by ZIP code in Clark County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Carpenter (57322) — 172 wells, median 856 ft
- Willow Lake (57278) — 135 wells, median 140 ft
- Raymond (57258) — 117 wells, median 195 ft
- Bradley (57217) — 90 wells, median 136 ft
- Clark (57225) — 74 wells, median 60 ft
Method: 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.