⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Spokane County › ZIP 99005

ZIP 99005, Spokane County: well depth, water level & drilling cost

✓ 198 Ecology records · Spokane County

205 ftmedian well depth
122 ft–390 fttypical depth range
67 ftmedian static water level
10 gpmmedian yield (79 tests)

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How deep are wells in ZIP 99005, Washington?

The median drilled well depth in ZIP 99005 is 205 ft, based on 195 wells with recorded depths in the state Ecology database. Half fall between 122 ft and 390 ft; 90% are shallower than 572 ft.

How much does it cost to drill a well in ZIP 99005?

Applying published per-foot rates to the local median depth of 205 ft: drilling and casing alone typically runs $5,125–$13,325; a complete system including pump, pressure tank, and hookup typically runs $12,300–$20,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 99005?

The median static water level is 67 ft below ground surface (middle half of wells: 46 ft–99 ft), from 75 measurements.

Drilled depth distribution

0–50 ft 1 50–100 ft 29 100–150 ft 36 150–200 ft 19 200–300 ft 42 300–400 ft 20 400–600 ft 29 600+ ft 19
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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.