Washington Well Data › King County › Federal Way (98093)
Federal Way, WA (98093): well depth, water level & drilling cost
✓ 334 Ecology records · King County
Pull every recorded well near a Federal Way (98093) address — $49
How deep are wells in and around Federal Way (98093), Washington?
The median drilled well depth in and around Federal Way (98093) is 110 ft, based on 333 wells with recorded depths in the state Ecology database. Half fall between 80 ft and 151 ft; 90% are shallower than 207 ft.
How much does it cost to drill a well in and around Federal Way (98093)?
Applying published per-foot rates to the local median depth of 110 ft: drilling and casing alone typically runs $2,750–$7,150; a complete system including pump, pressure tank, and hookup typically runs $6,600–$11,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in and around Federal Way (98093)?
The median static water level is 109 ft below ground surface (middle half of wells: 59 ft–130 ft), from 13 measurements.
Iron staining, rotten-egg smell, hard water, or a failed test at closing — Salish Water Works, a new Puget Sound company, publishes its treatment systems and planned prices up front and specs the fix from your water test. No in-home sales visit. Installation opens Fall 2026; the waitlist is open now and waitlist members get first slot priority.
See planned systems & pricing → salishwaterworks.comDrilled depth distribution
See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $49Free. Goes to licensed drillers working King County.
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.