⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Spokane County › Liberty Lake (99019)

Liberty Lake, WA (99019): well depth, water level & drilling cost

✓ 142 Ecology records · Spokane County

350 ftmedian well depth
240 ft–500 fttypical depth range
120 ftmedian static water level
15 gpmmedian yield (64 tests)

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How deep are wells in Liberty Lake (99019), Washington?

The median drilled well depth in Liberty Lake (99019) is 350 ft, based on 142 wells with recorded depths in the state Ecology database. Half fall between 240 ft and 500 ft; 90% are shallower than 609 ft.

How much does it cost to drill a well in Liberty Lake (99019)?

Applying published per-foot rates to the local median depth of 350 ft: drilling and casing alone typically runs $8,750–$22,750; a complete system including pump, pressure tank, and hookup typically runs $21,000–$35,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Liberty Lake (99019)?

The median static water level is 120 ft below ground surface (middle half of wells: 60 ft–219 ft), from 60 measurements.

Drilled depth distribution

0–50 ft 1 50–100 ft 1 100–150 ft 7 150–200 ft 10 200–300 ft 27 300–400 ft 40 400–600 ft 31 600+ ft 25
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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.