Minnesota Water Well Depth & Drilling Cost Guide
Authoritative hydrogeological intelligence for Minnesota. Regulated by the Minnesota Department of Health (MDH) - Well Management Section. The statewide median drilling depth is 165 feet (ranging 50–500 ft) with an average drilling cost of $44 per foot ($32 to $70/ft).
Quick Hydrogeological Fact Sheet: Minnesota
To reach potable water in Minnesota, residential wells require drilling an average of 165 feet deep. Total turnkey installation costs average $9,800 USD for a completed 6-inch casing well, 1.5 HP submersible pump, pressure tank, and state permits. The standing static water table sits at approximately 32 feet below surface level, producing a reliable average flow rate of 20 GPM across the primary Jordan-Prairie du Chien Aquifer.
Minnesota County-Level Well Logs & Average Depths
Official USGS hydrogeological monitoring stations, static levels, and driller completion records.
| County Name | Median Depth (ft) | Avg Cost / Foot | Typical Yield | Primary Aquifer | Local Action |
|---|---|---|---|---|---|
| Hennepin County | 180 ft | $45 /ft | 22 GPM | Prairie du Chien-Jordan |
|
| Anoka County | 110 ft | $38 /ft | 26 GPM | Anoka Sand Plain |
💰 Estimated Turnkey Cost Itemization in Minnesota
Component-by-component breakdown for a standard residential water well (165 ft average).
| System Component | Specification in Minnesota | Unit Cost | Estimated Subtotal |
|---|---|---|---|
| Borehole Drilling & Sanitary Casing | 165 ft depth with standard 6" PVC/Steel Casing & Drive Shoe | $44 /ft | $7,260 USD |
| Submersible Pump & Drop Pipe | 1.0 HP – 1.5 HP Stainless Submersible Pump with 12-gauge electrical drop cable | Turnkey Pump Unit | $2,250 USD |
| Pressure Tank & Control Switch | 40-gallon Captive Air Pressure Tank, 40/60 PSI Pressure Switch & Gauge | Standard Assembly | $1,200 USD |
| State Permits, Sanitary Grouting & Lab Water Testing | Mandatory Minnesota Department of Health (MDH) - Well Management Section permit, bentonite surface seal, and EPA drinking panel | State Fee + Lab | $725 USD |
| TOTAL ESTIMATED TURNKEY INVESTMENT | Includes excavation, drilling, plumbing hookup, and water inspection | $9,800 USD | |
Minnesota Aquifers & Subsurface Geology
Glacial sand/gravel over Paleozoic dolomite, sandstone, and Precambrian bedrock
Water Quality & Recommended Filtration
⚖️ Minnesota Well Drilling Regulations & Legal Setbacks
Calculate Drilling Cost in Minnesota
Pre-loaded with Minnesota median depth (165 ft) and average cost ($44/ft).
Frequently Asked Questions: Drilling Wells in Minnesota
1. How deep do you usually have to drill for water in Minnesota?
Across Minnesota, the median residential water well is drilled to 165 feet. However, shallow alluvial wells can hit water as high as 50 feet, while deep bedrock or limestone aquifer wells may require drilling down to 500 feet to reach sufficient pressure and yield.
2. How much does a complete water well cost in Minnesota?
On average, homeowners in Minnesota invest $9,800 USD for a complete turnkey system. Drilling alone costs $44 per foot (ranging $32–$70/ft), while submersible pumps, pressure tanks, state permit fees ($275), and electrical hookups comprise the remaining balance.
3. What is the required setback from septic tanks in Minnesota?
State health mandates overseen by the Minnesota Department of Health (MDH) - Well Management Section require a minimum separation distance of 50 feet from any septic tank, leach field, or potential contamination source, plus at least 10 feet from adjacent property boundaries.
4. What is the groundwater quality like in Minnesota?
Wells in Minnesota typically yield water with a hardness reading around 280 PPM and an average pH of 7.6. Key minerals present in natural groundwater include High Hardness, Iron, Manganese, Arsenic. The recommended standard filtration configuration is: Water Softener + Iron Air Injection System.
🗺️ Neighboring & Regional Groundwater Guides
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