⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Grays Harbor County › ZIP 98520

ZIP 98520, Grays Harbor County: well depth, water level & drilling cost

✓ 79 Ecology records · Grays Harbor County

120 ftmedian well depth
89 ft–155 fttypical depth range
52 ftmedian static water level
25 gpmmedian yield (33 tests)

How deep are wells in ZIP 98520, Washington?

The median drilled well depth in ZIP 98520 is 120 ft, based on 79 wells with recorded depths in the state Ecology database. Half fall between 89 ft and 155 ft; 90% are shallower than 173 ft.

How much does it cost to drill a well in ZIP 98520?

Applying published per-foot rates to the local median depth of 140 ft: drilling and casing alone typically runs $3,500–$9,100; a complete system including pump, pressure tank, and hookup typically runs $8,400–$14,000. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers who work in ZIP 98520

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

What is the static water level in ZIP 98520?

The median static water level is 52 ft below ground surface (middle half of wells: 35 ft–59 ft), from 27 measurements.

Pull every recorded well near a ZIP 98520 address — $19

Drilled depth distribution

0–50 ft 4 50–100 ft 22 100–150 ft 29 150–200 ft 19 200–300 ft 2 300–400 ft 2 400–600 ft 1 600+ ft 0
Looking at a specific property in ZIP 98520?

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Part of Grays Harbor 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.