Maine Water Well
Drilling Cost
The average residential well in Maine is 263 feet deep and costs $12,624 in 2026. Drilling rates range from $30 to $70 per foot, with total project costs varying based on depth, geology, and pump system.
Avg. Well Depth
263 ft
Cost / Foot
$30–$70
Total Project
$12,624
vs. National
68% above avg.
Maine Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $3,000–$7,000 | $7,800–$11,800 | $9,600 |
| 150 ft | $4,500–$10,500 | $9,700–$15,700 | $12,400 |
| 200 ft | $6,000–$14,000 | $11,600–$19,600 | $15,200 |
| 300 ft | $9,000–$21,000 | $15,400–$27,400 | $20,800 |
| 400 ft | $12,000–$28,000 | $19,200–$35,200 | $26,400 |
| 500 ft | $15,000–$35,000 | $23,000–$43,000 | $32,000 |
*Drilling only = drilling labor per foot. Complete system includes casing, pump, pressure tank, electrical, and permits. Costs are Maine estimates for 2026.
Maine Well System Component Costs
| Service | Low | High | Average |
|---|---|---|---|
| Well Casing — PVC (263 ft) | $1,578 | $2,893 | $2,104 |
| Well Casing — Steel (263 ft) | $7,890 | $34,190 | $17,095 |
| Submersible Pump | $300 | $2,000 | $1,000 |
| Pressure Tank | $500 | $2,000 | $1,100 |
| Electrical Hookup | $1,000 | $3,000 | $1,800 |
| Permits | $50 | $200 | Varies |
| Water Quality Testing | $50 | $500 | $200 |
*Component costs based on Maine average well depth of 263 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 52% above the Maine average of $12,624
Estimates are approximate. Actual costs depend on site conditions and contractor pricing.
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Maine Geology & Aquifers
Maine's geology is predominantly Paleozoic metamorphic and igneous bedrock — granite, gneiss, and schist — requiring wells to intersect water-bearing fractures. Glacial sand and gravel deposits in river valleys can provide shallower, higher-yielding alternatives where available.
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
Fractured Bedrock Aquifers / Sand and Gravel Aquifers
Water table depth: 50-200 feet in sand and gravel deposits; 100-500+ feet in bedrock wells depending on fracture occurrence
Best Drilling Season
April through November; frost penetration of 4-5 feet and snow accumulation make winter drilling impractical in most areas
Population on well water: About 45% of Maine households use private wells — one of the highest rates in the nation — reflecting the state's rural character
Why Well Depth Varies in Maine
Wells in Maine range from 80 to 600 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.
80 ft
Shallowest typical wells
Usually in areas with high water tables, sandy soils, or alluvial aquifers near rivers
263 ft
State average depth
Typical residential well for most Maine locations
600 ft
Deepest typical wells
Usually in arid areas, mountain terrain, or where shallow aquifers are depleted
Maine Well Drilling Permits & Regulations
Maine requires all well drillers to be licensed by the Maine Well Drillers Commission. A separate pump installer license is also required. No homeowner exemption.
Permit Authority
- Authority
- Maine Department of Health and Human Services; local plumbing inspectors coordinate permits in many towns
- Permit Cost
- $50-$200
Water Rights
- Doctrine
- Reasonable Use
Well Water Quality in Maine
Well water quality in Maine 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
radon
Treatment: aeration or granular activated carbon system
uranium
Treatment: reverse osmosis or ion exchange system
manganese
Treatment: oxidation filter or greensand system
hardness
Treatment: water softener
PFAS near military bases
Treatment: appropriate treatment system
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 Maine
Well drilling costs vary by location within Maine. Select a city for local pricing details.
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