⟁ South Carolina Well Data field records · 2026 survey

South Carolina Well Data › Marlboro County

Marlboro County, South Carolina: well depth, owners & drilling cost

✓ 172 USGS NWIS records · verified 2026-08-28

102 ftmedian well depth
60 ft–175 fttypical depth range
—median depth since 2016

How deep are wells in Marlboro County, South Carolina?

The median drilled well depth in Marlboro County is 102 ft, based on 172 wells with recorded depths in the state USGS NWIS database. Half of all wells fall between 60 ft and 175 ft; 90% are shallower than 299 ft. Wells drilled since 2016 have a median depth of —.

How much does it cost to drill a well in Marlboro County?

Applying published per-foot rates to the local median depth of 102 ft: drilling and casing alone typically runs $2,550–$6,630; a complete system including pump, pressure tank, and hookup typically runs $6,120–$10,200. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 29 50–100 ft 52 100–150 ft 38 150–200 ft 17 200–300 ft 18 300–400 ft 17 400–600 ft 1 600+ ft 0
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Method: medians computed from USGS NWIS 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.