⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Benton County › Kennewick (99336)

Kennewick, WA (99336): well depth, water level & drilling cost

✓ 260 Ecology records · Benton County

98 ftmedian well depth
58 ft–200 fttypical depth range
65 ftmedian static water level
25 gpmmedian yield (51 tests)

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How deep are wells in and around Kennewick (99336), Washington?

The median drilled well depth in and around Kennewick (99336) is 98 ft, based on 260 wells with recorded depths in the state Ecology database. Half fall between 58 ft and 200 ft; 90% are shallower than 331 ft.

How much does it cost to drill a well in and around Kennewick (99336)?

Applying published per-foot rates to the local median depth of 98 ft: drilling and casing alone typically runs $2,450–$6,370; a complete system including pump, pressure tank, and hookup typically runs $5,880–$9,800. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Kennewick (99336)?

The median static water level is 65 ft below ground surface (middle half of wells: 34 ft–90 ft), from 59 measurements.

Drilled depth distribution

0–50 ft 58 50–100 ft 73 100–150 ft 41 150–200 ft 20 200–300 ft 36 300–400 ft 17 400–600 ft 9 600+ ft 6
Looking at a specific property in Kennewick (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.