⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Whatcom County

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

✓ 11,300 Ecology records · verified 2026-06-11

58 ftmedian well depth
31 ft–138 fttypical depth range
18 ftmedian static water level
18 gpmmedian yield (1,125 tests)

How deep are wells in Whatcom County, Washington?

The median drilled well depth in Whatcom County is 58 ft, based on 10,151 wells with recorded depths in the state Ecology database. Half of all wells fall between 31 ft and 138 ft; 90% are shallower than 220 ft. Wells drilled since 2016 have a median depth of 56 ft.

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

Applying published per-foot rates to the local median depth of 56 ft: drilling and casing alone typically runs $1,400–$3,640; a complete system including pump, pressure tank, and hookup typically runs $3,360–$5,600. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Whatcom County?

The median static water level is 18 ft below ground surface (middle half of wells: 9 ft–57 ft), from 1,165 measurements.

How much water do wells in Whatcom County produce?

The median tested yield is 18 gpm (middle half: 10 gpm–35 gpm), from 1,125 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 4,532 50–100 ft 2,163 100–150 ft 1,145 150–200 ft 968 200–300 ft 947 300–400 ft 283 400–600 ft 81 600+ ft 32

Who drills wells in Whatcom County?

Licensed drillers by number of wells completed in this county since 2016, per filed well reports (license roster: Washington Department of Ecology).

DrillerWells since 2016
Richard Smith412
David Rutledge171
Michael Florence103
Brett Boulton99
Brannon Hopke48
Ryan Wilhonen45
Ralph Riggles32
Jerry Peterson23

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Method: medians computed from Ecology records (water wells only — soil/environmental borings and decommissions 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.