Washington Well Data field records · 2026 survey

Washington Well DataKing County › ZIP 98022

ZIP 98022, King County: well depth, water level & drilling cost

✓ 169 Ecology records · King County

118 ftmedian well depth
81 ft–199 fttypical depth range
45 ftmedian static water level
33 gpmmedian yield (66 tests)

How deep are wells in ZIP 98022, Washington?

The median drilled well depth in ZIP 98022 is 118 ft, based on 163 wells with recorded depths in the state Ecology database. Half fall between 81 ft and 199 ft; 90% are shallower than 322 ft.

How much does it cost to drill a well in ZIP 98022?

Applying published per-foot rates to the local median depth of 117 ft: drilling and casing alone typically runs $2,925–$7,605; a complete system including pump, pressure tank, and hookup typically runs $7,020–$11,700. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers who work in ZIP 98022

Free for property owners. We route your request only to licensed drillers who actually file well logs in King County — never sold elsewhere.

What is the static water level in ZIP 98022?

The median static water level is 45 ft below ground surface (middle half of wells: 21 ft–82 ft), from 64 measurements.

Pull every recorded well near a ZIP 98022 address — $19

Bad well water in King County?

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.com

Drilled depth distribution

0–50 ft 5 50–100 ft 51 100–150 ft 39 150–200 ft 27 200–300 ft 21 300–400 ft 8 400–600 ft 10 600+ ft 2
Looking at a specific property in ZIP 98022?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

Free lookup Property report — $19

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.