South Carolina Well Data › Colleton County
Colleton County, South Carolina: well depth, water level & drilling cost
✓ 854 SCDES + USGS records · verified 2026-10-12
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How deep are wells in Colleton County, South Carolina?
The median drilled well depth in Colleton County is 460 ft, based on 843 wells with recorded depths in the state SCDES + USGS database. Half of all wells fall between 380 ft and 550 ft; 90% are shallower than 625 ft. Wells drilled since 2016 have a median depth of 607 ft.
How much does it cost to drill a well in Colleton County?
Applying published per-foot rates to the local median depth of 460 ft: drilling and casing alone typically runs $11,500–$29,900; a complete system including pump, pressure tank, and hookup typically runs $27,600–$46,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Colleton County?
The median static water level is 42 ft below ground surface (middle half of wells: 24 ft–62 ft), from 582 measurements.
How much water do wells in Colleton County produce?
The median tested yield is 100 gpm (middle half: 100 gpm–125 gpm), from 549 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Colleton County?
| Driller | Wells since 2016 |
|---|---|
| McCall Brothers | 4 |
| Pinckney | 1 |
| SC Geological Survey | 1 |
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Well records by ZIP code in Colleton County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Walterboro (29488) — 226 wells, median 500 ft
- Edisto Island (29438) — 154 wells, median 520 ft
- Cottageville (29435) — 151 wells, median 380 ft
- Yemassee (29945) — 105 wells, median 150 ft
- Green Pond (29446) — 79 wells, median 556 ft
- Round O (29474) — 71 wells, median 440 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.