Connecticut Water Well Depth & Drilling Cost Guide
Authoritative hydrogeological intelligence for Connecticut. Regulated by the Connecticut Department of Public Health - Private Well Program. The statewide median drilling depth is 230 feet (ranging 75–500 ft) with an average drilling cost of $48 per foot ($35 to $75/ft).
Quick Hydrogeological Fact Sheet: Connecticut
To reach potable water in Connecticut, residential wells require drilling an average of 230 feet deep. Total turnkey installation costs average $12,500 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 30 feet below surface level, producing a reliable average flow rate of 10 GPM across the primary Mesozoic Basin Sedimentary Aquifer.
Connecticut 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 |
|---|---|---|---|---|---|
| Hartford County | 210 ft | $46 /ft | 12 GPM | Central Valley Sandstone |
|
| Fairfield County | 260 ft | $52 /ft | 9 GPM | Crystalline Bedrock |
💰 Estimated Turnkey Cost Itemization in Connecticut
Component-by-component breakdown for a standard residential water well (230 ft average).
| System Component | Specification in Connecticut | Unit Cost | Estimated Subtotal |
|---|---|---|---|
| Borehole Drilling & Sanitary Casing | 230 ft depth with standard 6" PVC/Steel Casing & Drive Shoe | $48 /ft | $11,040 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 Connecticut Department of Public Health - Private Well Program permit, bentonite surface seal, and EPA drinking panel | State Fee + Lab | $625 USD |
| TOTAL ESTIMATED TURNKEY INVESTMENT | Includes excavation, drilling, plumbing hookup, and water inspection | $12,500 USD | |
Connecticut Aquifers & Subsurface Geology
Schist, gneiss, basalt and glacial till over dense crystalline rock
Water Quality & Recommended Filtration
⚖️ Connecticut Well Drilling Regulations & Legal Setbacks
Calculate Drilling Cost in Connecticut
Pre-loaded with Connecticut median depth (230 ft) and average cost ($48/ft).
Frequently Asked Questions: Drilling Wells in Connecticut
1. How deep do you usually have to drill for water in Connecticut?
Across Connecticut, the median residential water well is drilled to 230 feet. However, shallow alluvial wells can hit water as high as 75 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 Connecticut?
On average, homeowners in Connecticut invest $12,500 USD for a complete turnkey system. Drilling alone costs $48 per foot (ranging $35–$75/ft), while submersible pumps, pressure tanks, state permit fees ($175), and electrical hookups comprise the remaining balance.
3. What is the required setback from septic tanks in Connecticut?
State health mandates overseen by the Connecticut Department of Public Health - Private Well Program require a minimum separation distance of 75 feet from any septic tank, leach field, or potential contamination source, plus at least 25 feet from adjacent property boundaries.
4. What is the groundwater quality like in Connecticut?
Wells in Connecticut typically yield water with a hardness reading around 115 PPM and an average pH of 6.8. Key minerals present in natural groundwater include Iron, Manganese, Uranium in crystalline rock. The recommended standard filtration configuration is: Acid Neutralizer + Iron & Manganese Filter.
🗺️ Neighboring & Regional Groundwater Guides
Request 3 Free Water Well Drilling Estimates in Connecticut
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