Mississippi Well Data › Jefferson County

Jefferson County, Mississippi: well depth, owners & drilling cost

Name: Jefferson County, Mississippi water well statistics
Creator: Mississippi Well Data
License: https://creativecommons.org/licenses/by/4.0/

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

230 ftmedian well depth

144 ft–409 fttypical depth range

—median depth since 2016

How deep are wells in Jefferson County, Mississippi?

The median drilled well depth in Jefferson County is 230 ft, based on 155 wells with recorded depths in the state USGS NWIS database. Half of all wells fall between 144 ft and 409 ft; 90% are shallower than 583 ft. Wells drilled since 2016 have a median depth of —.

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

Applying published per-foot rates to the local median depth of 230 ft: drilling and casing alone typically runs $5,750–$14,950; a complete system including pump, pressure tank, and hookup typically runs $13,800–$23,000. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 1 50–100 ft 12 100–150 ft 27 150–200 ft 30 200–300 ft 30 300–400 ft 14 400–600 ft 27 600+ ft 14

Looking at a specific property in Jefferson 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.