North Dakota Water Well Depth & Drilling Cost Guide
Authoritative hydrogeological intelligence for North Dakota. Regulated by the North Dakota Department of Water Resources (DWR). The statewide median drilling depth is 155 feet (ranging 45–450 ft) with an average drilling cost of $38 per foot ($28 to $62/ft).
Quick Hydrogeological Fact Sheet: North Dakota
To reach potable water in North Dakota, residential wells require drilling an average of 155 feet deep. Total turnkey installation costs average $8,900 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 35 feet below surface level, producing a reliable average flow rate of 20 GPM across the primary Fox Hills-Hell Creek Aquifer.
North Dakota 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 |
|---|---|---|---|---|---|
| Cass County (Fargo) | 130 ft | $36 /ft | 22 GPM | Red River Valley Alluvium |
|
| Burleigh County (Bismarck) | 170 ft | $40 /ft | 18 GPM | Fox Hills Sandstone |
💰 Estimated Turnkey Cost Itemization in North Dakota
Component-by-component breakdown for a standard residential water well (155 ft average).
| System Component | Specification in North Dakota | Unit Cost | Estimated Subtotal |
|---|---|---|---|
| Borehole Drilling & Sanitary Casing | 155 ft depth with standard 6" PVC/Steel Casing & Drive Shoe | $38 /ft | $5,890 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 North Dakota Department of Water Resources (DWR) permit, bentonite surface seal, and EPA drinking panel | State Fee + Lab | $550 USD |
| TOTAL ESTIMATED TURNKEY INVESTMENT | Includes excavation, drilling, plumbing hookup, and water inspection | $8,900 USD | |
North Dakota Aquifers & Subsurface Geology
Glacial drift and till over Cretaceous and Tertiary sandstone, siltstone, and lignite coal
Water Quality & Recommended Filtration
⚖️ North Dakota Well Drilling Regulations & Legal Setbacks
Calculate Drilling Cost in North Dakota
Pre-loaded with North Dakota median depth (155 ft) and average cost ($38/ft).
Frequently Asked Questions: Drilling Wells in North Dakota
1. How deep do you usually have to drill for water in North Dakota?
Across North Dakota, the median residential water well is drilled to 155 feet. However, shallow alluvial wells can hit water as high as 45 feet, while deep bedrock or limestone aquifer wells may require drilling down to 450 feet to reach sufficient pressure and yield.
2. How much does a complete water well cost in North Dakota?
On average, homeowners in North Dakota invest $8,900 USD for a complete turnkey system. Drilling alone costs $38 per foot (ranging $28–$62/ft), while submersible pumps, pressure tanks, state permit fees ($100), and electrical hookups comprise the remaining balance.
3. What is the required setback from septic tanks in North Dakota?
State health mandates overseen by the North Dakota Department of Water Resources (DWR) require a minimum separation distance of 100 feet from any septic tank, leach field, or potential contamination source, plus at least 20 feet from adjacent property boundaries.
4. What is the groundwater quality like in North Dakota?
Wells in North Dakota typically yield water with a hardness reading around 310 PPM and an average pH of 7.8. Key minerals present in natural groundwater include Extreme Hardness, Sodium, Sulfates, Iron. The recommended standard filtration configuration is: Heavy Duty Water Softener + Iron Filter.
🗺️ Neighboring & Regional Groundwater Guides
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