Rapid City, SD Well
Drilling Cost
Avg. Depth
250 ft
Cost / Foot
$24–$55
Total Project
$9,500
vs. National Avg
27% above avg.
the $7,500 national avg.
Rapid City, SD Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $2,400–$5,500 | $7,200–$10,300 | $8,600 |
| 150 ft | $3,600–$8,250 | $8,800–$13,450 | $10,900 |
| 200 ft | $4,800–$11,000 | $10,400–$16,600 | $13,200 |
| 300 ft | $7,200–$16,500 | $13,600–$22,900 | $17,800 |
| 400 ft | $9,600–$22,000 | $16,800–$29,200 | $22,400 |
| 500 ft | $12,000–$27,500 | $20,000–$35,500 | $27,000 |
*Costs are estimates based on Rapid City area rates for 2026. Complete system includes casing, pump, pressure tank, electrical, and permits. Actual prices vary by property.
Well Drilling in Rapid City, SD
Black Hills eastern flank with Paleozoic limestone (Madison/Minnelusa Formations) and Precambrian granite core; complex geology with productive karst aquifer
The average residential well in Rapid City is 250 feet deep and costs approximately $9,500 for a complete system including drilling, casing, pump, and pressure tank. Drilling rates in the area range from $24 to $55 per foot, which is 27% above the national average of $7,500.
The primary aquifer serving the Rapid City area is the Madison / Minnelusa Aquifer. Well depths can vary significantly depending on your specific property location and proximity to the aquifer.
Permits & Regulations
Pennington County well permit; SD DENR; $25-$50; Black Hills aquifer is high quality but depth varies significantly
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Nearby Areas
Also serving: Box Elder, Summerset, Piedmont, Black Hawk, Hill City
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