⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Walla Walla County › ZIP 99362

ZIP 99362, Walla Walla County: well depth, water level & drilling cost

✓ 884 Ecology records · Walla Walla County

163 ftmedian well depth
120 ft–226 fttypical depth range
38 ftmedian static water level
30 gpmmedian yield (256 tests)

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How deep are wells in ZIP 99362, Washington?

The median drilled well depth in ZIP 99362 is 163 ft, based on 883 wells with recorded depths in the state Ecology database. Half fall between 120 ft and 226 ft; 90% are shallower than 545 ft.

How much does it cost to drill a well in ZIP 99362?

Applying published per-foot rates to the local median depth of 162 ft: drilling and casing alone typically runs $4,050–$10,530; a complete system including pump, pressure tank, and hookup typically runs $9,720–$16,200. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 99362?

The median static water level is 38 ft below ground surface (middle half of wells: 21 ft–110 ft), from 249 measurements.

Drilled depth distribution

0–50 ft 2 50–100 ft 95 100–150 ft 270 150–200 ft 208 200–300 ft 137 300–400 ft 38 400–600 ft 67 600+ ft 66
Looking at a specific property in ZIP 99362?

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Part of Walla Walla 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.