Washington Well Data › King County › Preston (98050)
Preston, WA (98050): well depth, water level & drilling cost
✓ 314 Ecology records · King County
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How deep are wells in and around Preston (98050), Washington?
The median drilled well depth in and around Preston (98050) is 176 ft, based on 313 wells with recorded depths in the state Ecology database. Half fall between 97 ft and 263 ft; 90% are shallower than 333 ft.
How much does it cost to drill a well in and around Preston (98050)?
Applying published per-foot rates to the local median depth of 176 ft: drilling and casing alone typically runs $4,400–$11,440; a complete system including pump, pressure tank, and hookup typically runs $10,560–$17,600. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in and around Preston (98050)?
The median static water level is 58 ft below ground surface (middle half of wells: 22 ft–121 ft), from 11 measurements.
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Part of King 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.