⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Grant County › ZIP 99349

ZIP 99349, Grant County: well depth, water level & drilling cost

✓ 121 Ecology records · Grant County

120 ftmedian well depth
82 ft–337 fttypical depth range
88 ftmedian static water level
40 gpmmedian yield (48 tests)

Pull every recorded well near a ZIP 99349 address — $39

How deep are wells in ZIP 99349, Washington?

The median drilled well depth in ZIP 99349 is 120 ft, based on 121 wells with recorded depths in the state Ecology database. Half fall between 82 ft and 337 ft; 90% are shallower than 530 ft.

How much does it cost to drill a well in ZIP 99349?

Applying published per-foot rates to the local median depth of 120 ft: drilling and casing alone typically runs $3,000–$7,800; a complete system including pump, pressure tank, and hookup typically runs $7,200–$12,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 99349?

The median static water level is 88 ft below ground surface (middle half of wells: 41 ft–233 ft), from 44 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 42 100–150 ft 27 150–200 ft 7 200–300 ft 10 300–400 ft 11 400–600 ft 14 600+ ft 10
Looking at a specific property in ZIP 99349?

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

Free lookup Property report — $39
Get quotes from drillers who work in ZIP 99349

Free. Goes to licensed drillers working Grant County.

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.