Minnesota Water Well
Drilling Cost
The average residential well in Minnesota is 165 feet deep and costs $6,930 in 2026. Drilling rates range from $28 to $62 per foot, with total project costs varying based on depth, geology, and pump system.
Avg. Well Depth
165 ft
Cost / Foot
$28–$62
Total Project
$6,930
vs. National
8% below avg.
Minnesota Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $2,800–$6,200 | $7,600–$11,000 | $9,000 |
| 150 ft | $4,200–$9,300 | $9,400–$14,500 | $11,500 |
| 200 ft | $5,600–$12,400 | $11,200–$18,000 | $14,000 |
| 300 ft | $8,400–$18,600 | $14,800–$25,000 | $19,000 |
| 400 ft | $11,200–$24,800 | $18,400–$32,000 | $24,000 |
| 500 ft | $14,000–$31,000 | $22,000–$39,000 | $29,000 |
*Drilling only = drilling labor per foot. Complete system includes casing, pump, pressure tank, electrical, and permits. Costs are Minnesota estimates for 2026.
Minnesota Well System Component Costs
| Service | Low | High | Average |
|---|---|---|---|
| Well Casing — PVC (165 ft) | $990 | $1,815 | $1,320 |
| Well Casing — Steel (165 ft) | $4,950 | $21,450 | $10,725 |
| 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 Minnesota average well depth of 165 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 98% above the Minnesota average of $6,930
Estimates are approximate. Actual costs depend on site conditions and contractor pricing.
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Minnesota Geology & Aquifers
Minnesota's thick glacial deposits — sand, gravel, and clay till — provide productive shallow aquifers across the state. Beneath the drift, Precambrian crystalline rock dominates in the north, while Prairie du Chien dolomite, Jordan Sandstone, and other Paleozoic formations underlie the southeast.
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
Surficial Sand and Gravel / Prairie du Chien-Jordan Aquifer / Mount Simon-Hinckley Aquifer
Water table depth: 20-80 feet in surficial aquifers; 100-400 feet for deep bedrock aquifers in the Twin Cities metro
Best Drilling Season
April through November; extreme cold and 4-6 foot frost depths make winter drilling very challenging
Population on well water: About 22% of Minnesota households rely on private wells, with concentrations in rural areas of central and southern Minnesota
Why Well Depth Varies in Minnesota
Wells in Minnesota range from 40 to 500 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.
40 ft
Shallowest typical wells
Usually in areas with high water tables, sandy soils, or alluvial aquifers near rivers
165 ft
State average depth
Typical residential well for most Minnesota locations
500 ft
Deepest typical wells
Usually in arid areas, mountain terrain, or where shallow aquifers are depleted
Minnesota Well Drilling Permits & Regulations
Minnesota requires all well contractors, limited well/boring contractors, and monitoring well contractors to be licensed by MDH. No homeowner exemption exists.
Permit Authority
- Authority
- Minnesota Department of Health (MDH) licenses drillers and oversees well construction; local units of government may have additional requirements
- Permit Cost
- $50-$200
Water Rights
- Doctrine
- Regulated Riparian (permit system through the Minnesota Department of Natural Resources for all water appropriations over 10,000 gallons/day or 1 million gallons/year)
Well Water Quality in Minnesota
Well water quality in Minnesota 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
iron
Treatment: iron filter or oxidation system
manganese
Treatment: oxidation filter or greensand system
hardness
Treatment: water softener
arsenic in western Minnesota
Treatment: reverse osmosis or adsorption media filter
nitrate in agricultural areas
Treatment: reverse osmosis or ion exchange system
radium
Treatment: water softener or reverse osmosis
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 Minnesota
Well drilling costs vary by location within Minnesota. Select a city for local pricing details.
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