Alaska Water Well
Drilling Cost
The average residential well in Alaska is 135 feet deep and costs $7,830 in 2026. Drilling rates range from $40 to $85 per foot, with total project costs varying based on depth, geology, and pump system.
Avg. Well Depth
135 ft
Cost / Foot
$40–$85
Total Project
$7,830
vs. National
Near average
Alaska Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $4,000–$8,500 | $8,800–$13,300 | $10,600 |
| 150 ft | $6,000–$12,750 | $11,200–$17,950 | $13,900 |
| 200 ft | $8,000–$17,000 | $13,600–$22,600 | $17,200 |
| 300 ft | $12,000–$25,500 | $18,400–$31,900 | $23,800 |
| 400 ft | $16,000–$34,000 | $23,200–$41,200 | $30,400 |
| 500 ft | $20,000–$42,500 | $28,000–$50,500 | $37,000 |
*Drilling only = drilling labor per foot. Complete system includes casing, pump, pressure tank, electrical, and permits. Costs are Alaska estimates for 2026.
Alaska Well System Component Costs
| Service | Low | High | Average |
|---|---|---|---|
| Well Casing — PVC (135 ft) | $810 | $1,485 | $1,080 |
| Well Casing — Steel (135 ft) | $4,050 | $17,550 | $8,775 |
| Submersible Pump | $300 | $2,000 | $1,000 |
| Pressure Tank | $500 | $2,000 | $1,100 |
| Electrical Hookup | $1,000 | $3,000 | $1,800 |
| Permits | $0 | $50 | Varies |
| Water Quality Testing | $50 | $500 | $200 |
*Component costs based on Alaska average well depth of 135 ft. Steel casing is typically required for bedrock wells; PVC is used in unconsolidated formations.
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Itemized Cost Estimate
This estimate is 54% above the Alaska average of $7,830
Estimates are approximate. Actual costs depend on site conditions and contractor pricing.
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Alaska Geology & Aquifers
Alaska's diverse terrain includes glacial deposits, alluvial gravels, permafrost zones, and volcanic bedrock. In southcentral areas, wells tap glacially-deposited sand and gravel aquifers, while remote areas may encounter permafrost layers that complicate drilling.
Understanding your local geology is important because rock type directly affects drilling cost. Hard crystalline rock (granite, gneiss) costs more to penetrate than soft sedimentary formations (sandstone, limestone) or unconsolidated deposits (sand, gravel). Your well driller can estimate costs based on nearby well logs.
Primary Aquifer
Cook Inlet Basin Alluvial Aquifers
Water table depth: 10-100 feet in river valleys; 50-350 feet in upland areas; permafrost zones vary widely
Best Drilling Season
May through September; frozen ground makes winter drilling extremely difficult in most regions
Population on well water: About 23% of Alaskans rely on private wells, though many rural communities use shared community well systems
Why Well Depth Varies in Alaska
Wells in Alaska range from 30 to 350 feet deep. The wide range is driven by regional differences in geology, water table depth, and aquifer type. A well in one part of the state may cost significantly more or less than another area just 50 miles away.
30 ft
Shallowest typical wells
Usually in areas with high water tables, sandy soils, or alluvial aquifers near rivers
135 ft
State average depth
Typical residential well for most Alaska locations
350 ft
Deepest typical wells
Usually in arid areas, mountain terrain, or where shallow aquifers are depleted
Alaska Well Drilling Permits & Regulations
Alaska does not require a state driller's license, but most boroughs and municipalities have their own well construction standards and may require permits.
Permit Authority
- Authority
- Alaska Department of Natural Resources, Division of Mining, Land & Water
- Permit Cost
- $0-$50 (many areas have no fee)
Water Rights
- Doctrine
- Prior Appropriation
Well Water Quality in Alaska
Well water quality in Alaska varies by location and aquifer type. Testing your water at least annually is recommended, and a comprehensive test should be done before using a new well.
Common Water Quality Issues
arsenic
Treatment: reverse osmosis or adsorption media filter
iron
Treatment: iron filter or oxidation system
manganese
Treatment: oxidation filter or greensand system
turbidity
Treatment: appropriate treatment system
naturally occurring fluoride
Treatment: reverse osmosis or activated alumina filter
Testing Recommendations
- Before first use: Full panel including bacteria, nitrates, pH, and state-specific contaminants ($150–$500)
- Annually: Bacteria (coliform) and nitrate testing at minimum ($50–$100)
- After flooding or repairs: Bacteria test to confirm well integrity ($25–$50)
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Well Drilling Costs by City in Alaska
Well drilling costs vary by location within Alaska. Select a city for local pricing details.
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Alaska Well Drilling FAQ
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