Custer, SD Well
Drilling Cost
Avg. Depth
230 ft
Cost / Foot
$26–$58
Total Project
$9,200
vs. National Avg
23% above avg.
the $7,500 national avg.
Custer, SD Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $2,600–$5,800 | $7,400–$10,600 | $8,800 |
| 150 ft | $3,900–$8,700 | $9,100–$13,900 | $11,200 |
| 200 ft | $5,200–$11,600 | $10,800–$17,200 | $13,600 |
| 300 ft | $7,800–$17,400 | $14,200–$23,800 | $18,400 |
| 400 ft | $10,400–$23,200 | $17,600–$30,400 | $23,200 |
| 500 ft | $13,000–$29,000 | $21,000–$37,000 | $28,000 |
*Costs are estimates based on Custer area rates for 2026. Complete system includes casing, pump, pressure tank, electrical, and permits. Actual prices vary by property.
Well Drilling in Custer, SD
Central Black Hills Precambrian granite and schist (Harney Peak Granite); fractured crystalline rock wells with variable yields
The average residential well in Custer is 230 feet deep and costs approximately $9,200 for a complete system including drilling, casing, pump, and pressure tank. Drilling rates in the area range from $26 to $58 per foot, which is 23% above the national average of $7,500.
The primary aquifer serving the Custer area is the Black Hills Crystalline / Madison Aquifer. Well depths can vary significantly depending on your specific property location and proximity to the aquifer.
Permits & Regulations
Custer County well permit; SD DENR; $25-$50; hard granite significantly increases drilling difficulty
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Nearby Areas
Also serving: Hill City, Pringle, Hermosa, Fairburn, Buffalo Gap
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