Minnesota Well Data field records · 2026 survey

Minnesota Well Data › Washington County

Washington County, Minnesota: well depth, water level & drilling cost

✓ 14,420 CWI records · verified 2026-06-29

180 ftmedian well depth
124 ft–250 fttypical depth range
66 ftmedian static water level
25 gpmmedian yield (12,549 tests)

How deep are wells in Washington County, Minnesota?

The median drilled well depth in Washington County is 180 ft, based on 13,790 wells with recorded depths in the state CWI database. Half of all wells fall between 124 ft and 250 ft; 90% are shallower than 305 ft. Wells drilled since 2016 have a median depth of 186 ft.

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

Applying published per-foot rates to the local median depth of 186 ft: drilling and casing alone typically runs $4,650–$12,090; a complete system including pump, pressure tank, and hookup typically runs $11,160–$18,600. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Washington County?

The median static water level is 66 ft below ground surface (middle half of wells: 35 ft–118 ft), from 12,036 measurements.

How much water do wells in Washington County produce?

The median tested yield is 25 gpm (middle half: 20 gpm–30 gpm), from 12,549 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 19 50–100 ft 2,127 100–150 ft 2,855 150–200 ft 2,871 200–300 ft 4,209 300–400 ft 1,417 400–600 ft 279 600+ ft 13

Who drills wells in Washington County?

Drillers by number of wells completed in this county since 2016, per filed well records (Minnesota County Well Index).

DrillerWells since 2016
MCCULLOUGH, D157
SEE REMARKS113
HOKENSON, J78
HOKENSON, J.53
LYON, R41
SAMPSON, D35
LYON, R.27
DOFFING, P.24

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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.

Method: medians computed from CWI records (water-supply wells only (domestic, irrigation, public/community supply, commercial, industrial) — monitoring, observation, test, injection, heat-pump and environmental boreholes excluded; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.