Maryland Well Data › Washington County

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

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

✓ 2,811 USGS NWIS records · verified 2026-09-22

163 ftmedian well depth

100 ft–258 fttypical depth range

—median depth since 2016

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How deep are wells in Washington County, Maryland?

The median drilled well depth in Washington County is 163 ft, based on 2,811 wells with recorded depths in the state USGS NWIS database. Half of all wells fall between 100 ft and 258 ft; 90% are shallower than 363 ft. Wells drilled since 2016 have a median depth of —.

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

Applying published per-foot rates to the local median depth of 163 ft: drilling and casing alone typically runs $4,075–$10,595; a complete system including pump, pressure tank, and hookup typically runs $9,780–$16,300. Actual quotes depend on site access, geology, and casing requirements.

Drilled depth distribution

0–50 ft 187 50–100 ft 497 100–150 ft 578 150–200 ft 382 200–300 ft 610 300–400 ft 329 400–600 ft 196 600+ ft 32

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Well records by ZIP code in Washington County

Median depth, water level, and yield for each ZIP code with recorded wells.

Clear Spring (21722) — 368 wells, median 160 ft
Chewsville (21721) — 222 wells, median 190 ft
Boonsboro (21713) — 212 wells, median 200 ft
Hancock (21750) — 199 wells, median 125 ft
Fairplay (21733) — 188 wells, median 199 ft
Maugansville (21767) — 176 wells, median 125 ft
Big Pool (21711) — 173 wells, median 144 ft
Sharpsburg (21782) — 156 wells, median 105 ft
Williamsport (21795) — 118 wells, median 145 ft
Cavetown (21720) — 112 wells, median 185 ft
Rohrersville (21779) — 108 wells, median 175 ft
Funkstown (21734) — 98 wells, median 241 ft
Keedysville (21756) — 88 wells, median 224 ft
Hagerstown (21742) — 87 wells, median 165 ft
Little Orleans (21766) — 74 wells, median 125 ft
Knoxville (21758) — 71 wells, median 125 ft
Cascade (21719) — 71 wells, median 200 ft
Brownsville (21715) — 69 wells, median 150 ft
Saint James (21781) — 51 wells, median 150 ft

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.