⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Spokane County › ZIP 99004

ZIP 99004, Spokane County: well depth, water level & drilling cost

✓ 1,190 Ecology records · Spokane County

200 ftmedian well depth
120 ft–280 fttypical depth range
61 ftmedian static water level
24 gpmmedian yield (396 tests)

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How deep are wells in ZIP 99004, Washington?

The median drilled well depth in ZIP 99004 is 200 ft, based on 1,188 wells with recorded depths in the state Ecology database. Half fall between 120 ft and 280 ft; 90% are shallower than 383 ft.

How much does it cost to drill a well in ZIP 99004?

Applying published per-foot rates to the local median depth of 200 ft: drilling and casing alone typically runs $5,000–$13,000; a complete system including pump, pressure tank, and hookup typically runs $12,000–$20,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 99004?

The median static water level is 61 ft below ground surface (middle half of wells: 38 ft–161 ft), from 382 measurements.

Drilled depth distribution

0–50 ft 4 50–100 ft 90 100–150 ft 305 150–200 ft 167 200–300 ft 331 300–400 ft 173 400–600 ft 99 600+ ft 19
Looking at a specific property in ZIP 99004?

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Part of Spokane County well records.

Method: medians computed from Ecology records (water wells only — soil/environmental borings and decommissions excluded; depths 0–5,000 ft), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.