Mississippi Well Data › Harrison County

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

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

✓ 4,674 USGS NWIS records · verified 2026-08-27

400 ftmedian well depth

250 ft–550 fttypical depth range

—median depth since 2016

How deep are wells in Harrison County, Mississippi?

The median drilled well depth in Harrison County is 400 ft, based on 4,674 wells with recorded depths in the state USGS NWIS database. Half of all wells fall between 250 ft and 550 ft; 90% are shallower than 760 ft. Wells drilled since 2016 have a median depth of —.

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

Applying published per-foot rates to the local median depth of 400 ft: drilling and casing alone typically runs $10,000–$26,000; a complete system including pump, pressure tank, and hookup typically runs $24,000–$40,000. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 168 50–100 ft 183 100–150 ft 165 150–200 ft 254 200–300 ft 791 300–400 ft 769 400–600 ft 1,386 600+ ft 958

Looking at a specific property in Harrison 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.