South Carolina Water Well Depth & Drilling Cost Guide
Authoritative hydrogeological intelligence for South Carolina. Regulated by the South Carolina Department of Health and Environmental Control (SCDHEC). The statewide median drilling depth is 195 feet (ranging 50–500 ft) with an average drilling cost of $38 per foot ($28 to $65/ft).
Quick Hydrogeological Fact Sheet: South Carolina
To reach potable water in South Carolina, residential wells require drilling an average of 195 feet deep. Total turnkey installation costs average $9,400 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 16 GPM across the primary Middendorf Aquifer.
South Carolina 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 |
|---|---|---|---|---|---|
| Greenville County (Upstate) | 280 ft | $45 /ft | 11 GPM | Piedmont Gneiss |
|
| Charleston County (Coast) | 120 ft | $32 /ft | 30 GPM | Floridan Limestone / Santee |
💰 Estimated Turnkey Cost Itemization in South Carolina
Component-by-component breakdown for a standard residential water well (195 ft average).
| System Component | Specification in South Carolina | Unit Cost | Estimated Subtotal |
|---|---|---|---|
| Borehole Drilling & Sanitary Casing | 195 ft depth with standard 6" PVC/Steel Casing & Drive Shoe | $38 /ft | $7,410 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 South Carolina Department of Health and Environmental Control (SCDHEC) permit, bentonite surface seal, and EPA drinking panel | State Fee + Lab | $570 USD |
| TOTAL ESTIMATED TURNKEY INVESTMENT | Includes excavation, drilling, plumbing hookup, and water inspection | $9,400 USD | |
South Carolina Aquifers & Subsurface Geology
Granite/schist in Upstate; thick coastal plain sand and limestone in Lowcountry
Water Quality & Recommended Filtration
⚖️ South Carolina Well Drilling Regulations & Legal Setbacks
Calculate Drilling Cost in South Carolina
Pre-loaded with South Carolina median depth (195 ft) and average cost ($38/ft).
Frequently Asked Questions: Drilling Wells in South Carolina
1. How deep do you usually have to drill for water in South Carolina?
Across South Carolina, the median residential water well is drilled to 195 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 South Carolina?
On average, homeowners in South Carolina invest $9,400 USD for a complete turnkey system. Drilling alone costs $38 per foot (ranging $28–$65/ft), while submersible pumps, pressure tanks, state permit fees ($120), and electrical hookups comprise the remaining balance.
3. What is the required setback from septic tanks in South Carolina?
State health mandates overseen by the South Carolina Department of Health and Environmental Control (SCDHEC) require a minimum separation distance of 100 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 South Carolina?
Wells in South Carolina typically yield water with a hardness reading around 75 PPM and an average pH of 6.5. Key minerals present in natural groundwater include Low pH Acidity, Iron, Hydrogen Sulfide on coast. The recommended standard filtration configuration is: Acid Neutralizer + Iron/Sulfur System.
🗺️ Neighboring & Regional Groundwater Guides
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