South Carolina Well Data › Charleston County
Charleston County, South Carolina: well depth, water level & drilling cost
✓ 893 SCDES + USGS records · verified 2026-10-12
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How deep are wells in Charleston County, South Carolina?
The median drilled well depth in Charleston County is 340 ft, based on 885 wells with recorded depths in the state SCDES + USGS database. Half of all wells fall between 52 ft and 560 ft; 90% are shallower than 660 ft. Wells drilled since 2016 have a median depth of 520 ft.
How much does it cost to drill a well in Charleston County?
Applying published per-foot rates to the local median depth of 340 ft: drilling and casing alone typically runs $8,500–$22,100; a complete system including pump, pressure tank, and hookup typically runs $20,400–$34,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Charleston County?
The median static water level is 19 ft below ground surface (middle half of wells: 9 ft–35 ft), from 350 measurements.
How much water do wells in Charleston County produce?
The median tested yield is 108 gpm (middle half: 50 gpm–200 gpm), from 334 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Charleston County?
| Driller | Wells since 2016 |
|---|---|
| A. C. Shultes | 1 |
| Rowe Drilling Co. | 1 |
| AAA Well Drilling | 1 |
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Well records by ZIP code in Charleston County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Wadmalaw Island (29487) — 102 wells, median 59 ft
- Hollywood (29449) — 98 wells, median 580 ft
- Mount Pleasant (29466) — 71 wells, median 250 ft
- Mc Clellanville (29458) — 63 wells, median 74 ft
- Ravenel (29470) — 58 wells, median 465 ft
- Mount Pleasant (29465) — 57 wells, median 58 ft
Method: medians computed from SCDES + USGS records (USGS NWIS groundwater inventory, water-supply wells only (monitoring wells, test holes and injection wells excluded), and only wells carrying a measured depth). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.