⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Whitman County › ZIP 99113

ZIP 99113, Whitman County: well depth, water level & drilling cost

✓ 55 Ecology records · Whitman County

210 ftmedian well depth
141 ft–288 fttypical depth range
55 ftmedian static water level
12 gpmmedian yield (11 tests)

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How deep are wells in ZIP 99113, Washington?

The median drilled well depth in ZIP 99113 is 210 ft, based on 55 wells with recorded depths in the state Ecology database. Half fall between 141 ft and 288 ft; 90% are shallower than 386 ft.

How much does it cost to drill a well in ZIP 99113?

Applying published per-foot rates to the local median depth of 210 ft: drilling and casing alone typically runs $5,250–$13,650; a complete system including pump, pressure tank, and hookup typically runs $12,600–$21,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 99113?

The median static water level is 55 ft below ground surface (middle half of wells: 35 ft–158 ft), from 8 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 4 100–150 ft 12 150–200 ft 8 200–300 ft 18 300–400 ft 8 400–600 ft 3 600+ ft 2
Looking at a specific property in ZIP 99113?

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Part of Whitman 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.