South Carolina Well Data › Barnwell County
Barnwell County, South Carolina: well depth, water level & drilling cost
✓ 1,156 SCDES + USGS records · verified 2026-10-12
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How deep are wells in Barnwell County, South Carolina?
The median drilled well depth in Barnwell County is 145 ft, based on 1,155 wells with recorded depths in the state SCDES + USGS database. Half of all wells fall between 57 ft and 324 ft; 90% are shallower than 625 ft. Wells drilled since 2016 have a median depth of 190 ft.
How much does it cost to drill a well in Barnwell County?
Applying published per-foot rates to the local median depth of 145 ft: drilling and casing alone typically runs $3,625–$9,425; a complete system including pump, pressure tank, and hookup typically runs $8,700–$14,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Barnwell County?
The median static water level is 45 ft below ground surface (middle half of wells: 30 ft–78 ft), from 448 measurements.
How much water do wells in Barnwell County produce?
The median tested yield is 101 gpm (middle half: 50 gpm–550 gpm), from 201 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Barnwell County?
| Driller | Wells since 2016 |
|---|---|
| Haigler | 5 |
| Dixie Well & Pump | 3 |
| Edge Solutions | 2 |
| Pinkney Well Drilling | 1 |
| Blake West | 1 |
| Shumpert | 1 |
| Grosch | 1 |
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Well records by ZIP code in Barnwell County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Martin (29836) — 392 wells, median 225 ft
- Barnwell (29812) — 311 wells, median 96 ft
- Williston (29853) — 95 wells, median 150 ft
- Blackville (29817) — 54 wells, median 300 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.