⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Spokane County

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

✓ 27,758 Ecology records · verified 2026-06-11

200 ftmedian well depth
119 ft–315 fttypical depth range
65 ftmedian static water level
13 gpmmedian yield (4,508 tests)

How deep are wells in Spokane County, Washington?

The median drilled well depth in Spokane County is 200 ft, based on 26,097 wells with recorded depths in the state Ecology database. Half of all wells fall between 119 ft and 315 ft; 90% are shallower than 475 ft. Wells drilled since 2016 have a median depth of 240 ft.

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

Applying published per-foot rates to the local median depth of 240 ft: drilling and casing alone typically runs $6,000–$15,600; a complete system including pump, pressure tank, and hookup typically runs $14,400–$24,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Spokane County?

The median static water level is 65 ft below ground surface (middle half of wells: 37 ft–135 ft), from 4,192 measurements.

How much water do wells in Spokane County produce?

The median tested yield is 13 gpm (middle half: 5 gpm–25 gpm), from 4,508 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 1,069 50–100 ft 3,457 100–150 ft 5,219 150–200 ft 3,288 200–300 ft 5,348 300–400 ft 3,463 400–600 ft 3,139 600+ ft 1,114

Who drills wells in Spokane 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
Brian Mosset872
Todd Lively629
Alex Vermillion519
Chris Macpherson203
Darin Minden201
Morgan Joy181
Jim Mcleslie152
Brian Schaefer131

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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.