Kapaa, HI Well
Drilling Cost
Avg. Depth
150 ft
Cost / Foot
$55–$115
Total Project
$12,000
vs. National Avg
60% above avg.
the $7,500 national avg.
Kapaa, HI Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $5,500–$11,500 | $10,300–$16,300 | $12,800 |
| 150 ft | $8,250–$17,250 | $13,450–$22,450 | $17,200 |
| 200 ft | $11,000–$23,000 | $16,600–$28,600 | $21,600 |
| 300 ft | $16,500–$34,500 | $22,900–$40,900 | $30,400 |
| 400 ft | $22,000–$46,000 | $29,200–$53,200 | $39,200 |
| 500 ft | $27,500–$57,500 | $35,500–$65,500 | $48,000 |
*Costs are estimates based on Kapaa area rates for 2026. Complete system includes casing, pump, pressure tank, electrical, and permits. Actual prices vary by property.
Well Drilling in Kapaa, HI
Kauai shield volcano basalt with weathered clay layers; older volcanic geology creates more complex hydrogeology than younger islands
The average residential well in Kapaa is 150 feet deep and costs approximately $12,000 for a complete system including drilling, casing, pump, and pressure tank. Drilling rates in the area range from $55 to $115 per foot, which is 60% above the national average of $7,500.
The primary aquifer serving the Kapaa area is the Kauai Basal / Dike-Confined Aquifer. Well depths can vary significantly depending on your specific property location and proximity to the aquifer.
Permits & Regulations
Kauai County; CWRM well permit; $200-$400
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Nearby Areas
Also serving: Wailua, Anahola, Kilauea, Lihue, Hanamaulu
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