West Virginia Well Data field records · 2026 survey

West Virginia Well Data › Mercer County

Mercer County, West Virginia: well depth, owners & drilling cost

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

198 ftmedian well depth
103 ft–300 fttypical depth range
median depth since 2016

How deep are wells in Mercer County, West Virginia?

The median drilled well depth in Mercer County is 198 ft, based on 135 wells with recorded depths in the state USGS NWIS database. Half of all wells fall between 103 ft and 300 ft; 90% are shallower than 498 ft. Wells drilled since 2016 have a median depth of —.

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

Applying published per-foot rates to the local median depth of 198 ft: drilling and casing alone typically runs $4,950–$12,870; a complete system including pump, pressure tank, and hookup typically runs $11,880–$19,800. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 8 50–100 ft 22 100–150 ft 24 150–200 ft 14 200–300 ft 32 300–400 ft 13 400–600 ft 15 600+ ft 7
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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.