⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Spokane County › ZIP 99012

ZIP 99012, Spokane County: well depth, water level & drilling cost

✓ 53 Ecology records · Spokane County

280 ftmedian well depth
225 ft–400 fttypical depth range
72 ftmedian static water level
20 gpmmedian yield (17 tests)

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How deep are wells in ZIP 99012, Washington?

The median drilled well depth in ZIP 99012 is 280 ft, based on 53 wells with recorded depths in the state Ecology database. Half fall between 225 ft and 400 ft; 90% are shallower than 470 ft.

How much does it cost to drill a well in ZIP 99012?

Applying published per-foot rates to the local median depth of 280 ft: drilling and casing alone typically runs $7,000–$18,200; a complete system including pump, pressure tank, and hookup typically runs $16,800–$28,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 99012?

The median static water level is 72 ft below ground surface (middle half of wells: 50 ft–210 ft), from 18 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 0 100–150 ft 6 150–200 ft 5 200–300 ft 17 300–400 ft 9 400–600 ft 16 600+ ft 0
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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.