⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Spokane County › ZIP 99001

ZIP 99001, Spokane County: well depth, water level & drilling cost

✓ 63 Ecology records · Spokane County

255 ftmedian well depth
120 ft–380 fttypical depth range
120 ftmedian static water level
20 gpmmedian yield (21 tests)

How deep are wells in ZIP 99001, Washington?

The median drilled well depth in ZIP 99001 is 255 ft, based on 63 wells with recorded depths in the state Ecology database. Half fall between 120 ft and 380 ft; 90% are shallower than 488 ft.

How much does it cost to drill a well in ZIP 99001?

Applying published per-foot rates to the local median depth of 223 ft: drilling and casing alone typically runs $5,575–$14,495; a complete system including pump, pressure tank, and hookup typically runs $13,380–$22,300. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers who work in ZIP 99001

Free for property owners. We route your request only to licensed drillers who actually file well logs in Spokane County — never sold elsewhere.

What is the static water level in ZIP 99001?

The median static water level is 120 ft below ground surface (middle half of wells: 50 ft–299 ft), from 19 measurements.

Pull every recorded well near a ZIP 99001 address — $19

Drilled depth distribution

0–50 ft 0 50–100 ft 5 100–150 ft 17 150–200 ft 3 200–300 ft 10 300–400 ft 13 400–600 ft 11 600+ ft 4
Looking at a specific property in ZIP 99001?

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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.