Washington Well Data field records · 2026 survey

Washington Well DataKing County › Duvall (98019)

Duvall, WA (98019): well depth, water level & drilling cost

✓ 146 Ecology records · King County

207 ftmedian well depth
104 ft–357 fttypical depth range
84 ftmedian static water level
10 gpmmedian yield (61 tests)

How deep are wells in Duvall (98019), Washington?

The median drilled well depth in Duvall (98019) is 207 ft, based on 142 wells with recorded depths in the state Ecology database. Half fall between 104 ft and 357 ft; 90% are shallower than 477 ft.

How much does it cost to drill a well in Duvall (98019)?

Applying published per-foot rates to the local median depth of 208 ft: drilling and casing alone typically runs $5,200–$13,520; a complete system including pump, pressure tank, and hookup typically runs $12,480–$20,800. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers who work in Duvall (98019)

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 Duvall (98019)?

The median static water level is 84 ft below ground surface (middle half of wells: 33 ft–132 ft), from 55 measurements.

Pull every recorded well near a Duvall (98019) 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 24 100–150 ft 25 150–200 ft 13 200–300 ft 31 300–400 ft 21 400–600 ft 18 600+ ft 5
Looking at a specific property in Duvall (98019)?

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.