Washington Well Data › Thurston County › Olympia (98504)
Olympia, WA (98504): well depth, water level & drilling cost
✓ 171 Ecology records · Thurston County
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How deep are wells in and around Olympia (98504), Washington?
The median drilled well depth in and around Olympia (98504) is 80 ft, based on 171 wells with recorded depths in the state Ecology database. Half fall between 60 ft and 112 ft; 90% are shallower than 180 ft.
How much does it cost to drill a well in and around Olympia (98504)?
Applying published per-foot rates to the local median depth of 80 ft: drilling and casing alone typically runs $2,000–$5,200; a complete system including pump, pressure tank, and hookup typically runs $4,800–$8,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in and around Olympia (98504)?
The median static water level is 33 ft below ground surface (middle half of wells: 21 ft–50 ft), from 42 measurements.
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Part of Thurston 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.