Mississippi Well Data › Washington County

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

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

✓ 2,497 USGS NWIS records · verified 2026-08-27

115 ftmedian well depth

100 ft–450 fttypical depth range

64 ftmedian depth since 2016

How deep are wells in Washington County, Mississippi?

The median drilled well depth in Washington County is 115 ft, based on 2,497 wells with recorded depths in the state USGS NWIS database. Half of all wells fall between 100 ft and 450 ft; 90% are shallower than 560 ft. Wells drilled since 2016 have a median depth of 64 ft.

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

Applying published per-foot rates to the local median depth of 115 ft: drilling and casing alone typically runs $2,875–$7,475; a complete system including pump, pressure tank, and hookup typically runs $6,900–$11,500. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 149 50–100 ft 429 100–150 ft 1,003 150–200 ft 6 200–300 ft 13 300–400 ft 104 400–600 ft 572 600+ ft 221

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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.