Great Falls, MT Well
Drilling Cost
Avg. Depth
150 ft
Cost / Foot
$26–$58
Total Project
$6,000
vs. National Avg
20% below avg.
the $7,500 national avg.
Great Falls, MT 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 Great Falls area rates for 2026. Complete system includes casing, pump, pressure tank, electrical, and permits. Actual prices vary by property.
Well Drilling in Great Falls, MT
Missouri River valley with glacial deposits over Cretaceous Kootenai and Morrison formations; river terrace gravels provide shallow aquifer
The average residential well in Great Falls is 150 feet deep and costs approximately $6,000 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 20% below the national average of $7,500.
The primary aquifer serving the Great Falls area is the Missouri River Valley / Kootenai Aquifer. Well depths can vary significantly depending on your specific property location and proximity to the aquifer.
Permits & Regulations
Cascade County well permit; Montana DNRC; $125-$200
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Nearby Areas
Also serving: Black Eagle, Malmstrom AFB, Sun River, Vaughn, Belt
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