⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Yakima County › Cowiche (98923)

Cowiche, WA (98923): well depth, water level & drilling cost

✓ 644 Ecology records · Yakima County

163 ftmedian well depth
100 ft–360 fttypical depth range
87 ftmedian static water level
50 gpmmedian yield (69 tests)

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How deep are wells in and around Cowiche (98923), Washington?

The median drilled well depth in and around Cowiche (98923) is 163 ft, based on 642 wells with recorded depths in the state Ecology database. Half fall between 100 ft and 360 ft; 90% are shallower than 540 ft.

How much does it cost to drill a well in and around Cowiche (98923)?

Applying published per-foot rates to the local median depth of 163 ft: drilling and casing alone typically runs $4,075–$10,595; a complete system including pump, pressure tank, and hookup typically runs $9,780–$16,300. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Cowiche (98923)?

The median static water level is 87 ft below ground surface (middle half of wells: 37 ft–237 ft), from 64 measurements.

Drilled depth distribution

0–50 ft 29 50–100 ft 115 100–150 ft 150 150–200 ft 65 200–300 ft 82 300–400 ft 60 400–600 ft 119 600+ ft 22
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Part of Yakima 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.