⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Grant County › ZIP 98851

ZIP 98851, Grant County: well depth, water level & drilling cost

✓ 266 Ecology records · Grant County

197 ftmedian well depth
131 ft–267 fttypical depth range
97 ftmedian static water level
33 gpmmedian yield (96 tests)

How deep are wells in ZIP 98851, Washington?

The median drilled well depth in ZIP 98851 is 197 ft, based on 265 wells with recorded depths in the state Ecology database. Half fall between 131 ft and 267 ft; 90% are shallower than 383 ft.

How much does it cost to drill a well in ZIP 98851?

Applying published per-foot rates to the local median depth of 196 ft: drilling and casing alone typically runs $4,900–$12,740; a complete system including pump, pressure tank, and hookup typically runs $11,760–$19,600. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers who work in ZIP 98851

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

What is the static water level in ZIP 98851?

The median static water level is 97 ft below ground surface (middle half of wells: 50 ft–164 ft), from 91 measurements.

Pull every recorded well near a ZIP 98851 address — $19

Drilled depth distribution

0–50 ft 4 50–100 ft 20 100–150 ft 56 150–200 ft 54 200–300 ft 79 300–400 ft 26 400–600 ft 21 600+ ft 5
Looking at a specific property in ZIP 98851?

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Part of Grant 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.