Maryland Well Data field records · 2026 survey

Maryland Well Data › Baltimore City County

Baltimore City County, Maryland: well depth, owners & drilling cost

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

160 ftmedian well depth
97 ft–233 fttypical depth range
median depth since 2016

How deep are wells in Baltimore City County, Maryland?

The median drilled well depth in Baltimore City County is 160 ft, based on 467 wells with recorded depths in the state USGS NWIS database. Half of all wells fall between 97 ft and 233 ft; 90% are shallower than 387 ft. Wells drilled since 2016 have a median depth of —.

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

Applying published per-foot rates to the local median depth of 160 ft: drilling and casing alone typically runs $4,000–$10,400; a complete system including pump, pressure tank, and hookup typically runs $9,600–$16,000. Actual quotes depend on site access, geology, and casing requirements.

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Drilled depth distribution

0–50 ft 28 50–100 ft 91 100–150 ft 96 150–200 ft 83 200–300 ft 88 300–400 ft 41 400–600 ft 24 600+ ft 16
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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.