Washington Well Data › Mason County › Lilliwaup (98555)
Lilliwaup, WA (98555): well depth, water level & drilling cost
✓ 115 Ecology records · Mason County
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How deep are wells in and around Lilliwaup (98555), Washington?
The median drilled well depth in and around Lilliwaup (98555) is 200 ft, based on 115 wells with recorded depths in the state Ecology database. Half fall between 114 ft and 375 ft; 90% are shallower than 516 ft.
How much does it cost to drill a well in and around Lilliwaup (98555)?
Applying published per-foot rates to the local median depth of 200 ft: drilling and casing alone typically runs $5,000–$13,000; a complete system including pump, pressure tank, and hookup typically runs $12,000–$20,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in and around Lilliwaup (98555)?
The median static water level is 50 ft below ground surface (middle half of wells: 18 ft–72 ft), from 21 measurements.
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Part of Mason 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.