Maryland Water Well Depth & Drilling Cost Guide
Authoritative hydrogeological intelligence for Maryland. Regulated by the Maryland Department of the Environment (MDE) - Water Supply Program. The statewide median drilling depth is 240 feet (ranging 60–520 ft) with an average drilling cost of $44 per foot ($32 to $72/ft).
Quick Hydrogeological Fact Sheet: Maryland
To reach potable water in Maryland, residential wells require drilling an average of 240 feet deep. Total turnkey installation costs average $11,600 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 40 feet below surface level, producing a reliable average flow rate of 14 GPM across the primary Coastal Plain Aquifers (Aquia, Magothy, Potomac).
Maryland 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 |
|---|---|---|---|---|---|
| Montgomery County | 270 ft | $46 /ft | 11 GPM | Piedmont Crystalline Bedrock |
|
| Anne Arundel County | 180 ft | $40 /ft | 20 GPM | Aquia / Magothy Formation |
💰 Estimated Turnkey Cost Itemization in Maryland
Component-by-component breakdown for a standard residential water well (240 ft average).
| System Component | Specification in Maryland | Unit Cost | Estimated Subtotal |
|---|---|---|---|
| Borehole Drilling & Sanitary Casing | 240 ft depth with standard 6" PVC/Steel Casing & Drive Shoe | $44 /ft | $10,560 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 Maryland Department of the Environment (MDE) - Water Supply Program permit, bentonite surface seal, and EPA drinking panel | State Fee + Lab | $650 USD |
| TOTAL ESTIMATED TURNKEY INVESTMENT | Includes excavation, drilling, plumbing hookup, and water inspection | $11,600 USD | |
Maryland Aquifers & Subsurface Geology
Piedmont schist and granite in central/west; deep sand and clay on Eastern Shore
Water Quality & Recommended Filtration
⚖️ Maryland Well Drilling Regulations & Legal Setbacks
Calculate Drilling Cost in Maryland
Pre-loaded with Maryland median depth (240 ft) and average cost ($44/ft).
Frequently Asked Questions: Drilling Wells in Maryland
1. How deep do you usually have to drill for water in Maryland?
Across Maryland, the median residential water well is drilled to 240 feet. However, shallow alluvial wells can hit water as high as 60 feet, while deep bedrock or limestone aquifer wells may require drilling down to 520 feet to reach sufficient pressure and yield.
2. How much does a complete water well cost in Maryland?
On average, homeowners in Maryland invest $11,600 USD for a complete turnkey system. Drilling alone costs $44 per foot (ranging $32–$72/ft), while submersible pumps, pressure tanks, state permit fees ($200), and electrical hookups comprise the remaining balance.
3. What is the required setback from septic tanks in Maryland?
State health mandates overseen by the Maryland Department of the Environment (MDE) - Water Supply Program require a minimum separation distance of 100 feet from any septic tank, leach field, or potential contamination source, plus at least 30 feet from adjacent property boundaries.
4. What is the groundwater quality like in Maryland?
Wells in Maryland typically yield water with a hardness reading around 105 PPM and an average pH of 6.6. Key minerals present in natural groundwater include Iron, Low pH Acidity, Manganese. The recommended standard filtration configuration is: Calcite Acid Neutralizer + Iron Reduction System.
🗺️ Neighboring & Regional Groundwater Guides
Request 3 Free Water Well Drilling Estimates in Maryland
Connect with state-certified drilling contractors licensed by Maryland Department of the Environment (MDE) - Water Supply Program. Compare pricing, pump sizing, and warranty terms with zero obligation.