Local 2026 Pricing · Spearfish, SD

Spearfish, SD Well Drilling Cost

Avg. Depth

200 ft

Cost / Foot

$24–$55

Total Project

$7,600

vs. National Avg

Near average

the $7,500 national avg.

Spearfish, 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 Spearfish area rates for 2026. Complete system includes casing, pump, pressure tank, electrical, and permits. Actual prices vary by property.

Well Drilling in Spearfish, SD

Northern Black Hills with Spearfish Formation red shale and gypsum over Minnekahta Limestone; Spearfish Creek canyon demonstrates local hydrogeology

The average residential well in Spearfish is 200 feet deep and costs approximately $7,600 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 near the national average of $7,500.

The primary aquifer serving the Spearfish area is the Madison / Minnelusa / Spearfish Aquifer. Well depths can vary significantly depending on your specific property location and proximity to the aquifer.

Permits & Regulations

Lawrence County well permit; SD DENR; $25-$50

See our full South Dakota well drilling cost guide for permit requirements and water quality details

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Spearfish Well Drilling FAQ

How much does it cost to drill a well in Spearfish, SD?
The average cost to drill a residential water well in Spearfish is $7,600, based on a typical depth of 200 feet. Drilling rates in the Spearfish area range from $24 to $55 per foot. Total project cost includes drilling, casing, pump installation, pressure tank, electrical hookup, and water testing.
How deep are wells in Spearfish?
The average residential well depth in Spearfish is 200 feet. Actual depth depends on your specific property location, elevation, and proximity to the Madison / Minnelusa / Spearfish Aquifer. A local well driller can estimate the depth needed for your property based on nearby well logs and geological data.
Do I need a permit to drill a well near Spearfish?
Lawrence County well permit; SD DENR; $25-$50 For detailed South Dakota permit requirements, licensing rules, and water rights information, see our full South Dakota well drilling cost guide.
How long does it take to drill a well in Spearfish?
Most residential wells in the Spearfish area take 1–3 days to drill, depending on depth and local geology. The complete project — including pump installation, electrical hookup, water testing, and permitting — typically takes 1–2 weeks from start to finish. Scheduling availability with local drillers may add additional lead time.

Nearby Areas

Also serving: Belle Fourche, Lead, Deadwood, Whitewood, St. Onge

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