⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Benton County › ZIP 99336

ZIP 99336, Benton County: well depth, water level & drilling cost

✓ 104 Ecology records · Benton County

160 ftmedian well depth
103 ft–236 fttypical depth range
68 ftmedian static water level
25 gpmmedian yield (30 tests)

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How deep are wells in ZIP 99336, Washington?

The median drilled well depth in ZIP 99336 is 160 ft, based on 104 wells with recorded depths in the state Ecology database. Half fall between 103 ft and 236 ft; 90% are shallower than 414 ft.

How much does it cost to drill a well in ZIP 99336?

Applying published per-foot rates to the local median depth of 160 ft: drilling and casing alone typically runs $4,000–$10,400; a complete system including pump, pressure tank, and hookup typically runs $9,600–$16,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 99336?

The median static water level is 68 ft below ground surface (middle half of wells: 33 ft–129 ft), from 25 measurements.

Drilled depth distribution

0–50 ft 7 50–100 ft 12 100–150 ft 30 150–200 ft 18 200–300 ft 16 300–400 ft 9 400–600 ft 6 600+ ft 6
Looking at a specific property in ZIP 99336?

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Part of Benton 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.