⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Spokane County › ZIP 99030

ZIP 99030, Spokane County: well depth, water level & drilling cost

✓ 183 Ecology records · Spokane County

289 ftmedian well depth
196 ft–379 fttypical depth range
60 ftmedian static water level
10 gpmmedian yield (57 tests)

Pull every recorded well near a ZIP 99030 address — $49

How deep are wells in ZIP 99030, Washington?

The median drilled well depth in ZIP 99030 is 289 ft, based on 182 wells with recorded depths in the state Ecology database. Half fall between 196 ft and 379 ft; 90% are shallower than 500 ft.

How much does it cost to drill a well in ZIP 99030?

Applying published per-foot rates to the local median depth of 289 ft: drilling and casing alone typically runs $7,225–$18,785; a complete system including pump, pressure tank, and hookup typically runs $17,340–$28,900. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 99030?

The median static water level is 60 ft below ground surface (middle half of wells: 26 ft–101 ft), from 52 measurements.

Drilled depth distribution

0–50 ft 1 50–100 ft 9 100–150 ft 21 150–200 ft 16 200–300 ft 45 300–400 ft 47 400–600 ft 37 600+ ft 6
Looking at a specific property in ZIP 99030?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

Free lookup Property report — $49
Get quotes from drillers who work in ZIP 99030

Free. Goes to licensed drillers working Spokane County.

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.