North Carolina Well Data › Johnston County

Johnston County, North Carolina: well depth, owners & drilling cost

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

✓ 153 USGS NWIS records · verified 2026-08-27

124 ftmedian well depth

68 ft–185 fttypical depth range

—median depth since 2016

How deep are wells in Johnston County, North Carolina?

The median drilled well depth in Johnston County is 124 ft, based on 153 wells with recorded depths in the state USGS NWIS database. Half of all wells fall between 68 ft and 185 ft; 90% are shallower than 279 ft. Wells drilled since 2016 have a median depth of —.

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

Applying published per-foot rates to the local median depth of 124 ft: drilling and casing alone typically runs $3,100–$8,060; a complete system including pump, pressure tank, and hookup typically runs $7,440–$12,400. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 25 50–100 ft 36 100–150 ft 35 150–200 ft 23 200–300 ft 19 300–400 ft 6 400–600 ft 5 600+ ft 4

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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.