South Carolina Well Data › Dorchester County

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

Name: Dorchester County, South Carolina water well statistics
Creator: South Carolina Well Data
License: https://creativecommons.org/licenses/by/4.0/

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

360 ftmedian well depth

280 ft–421 fttypical depth range

—median depth since 2016

How deep are wells in Dorchester County, South Carolina?

The median drilled well depth in Dorchester County is 360 ft, based on 317 wells with recorded depths in the state USGS NWIS database. Half of all wells fall between 280 ft and 421 ft; 90% are shallower than 524 ft. Wells drilled since 2016 have a median depth of —.

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

Applying published per-foot rates to the local median depth of 360 ft: drilling and casing alone typically runs $9,000–$23,400; a complete system including pump, pressure tank, and hookup typically runs $21,600–$36,000. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 19 50–100 ft 12 100–150 ft 4 150–200 ft 9 200–300 ft 46 300–400 ft 116 400–600 ft 93 600+ ft 18

Looking at a specific property in Dorchester County?

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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.