⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Whitman County › Malden (99149)

Malden, WA (99149): well depth, water level & drilling cost

✓ 61 Ecology records · Whitman County

200 ftmedian well depth
128 ft–280 fttypical depth range
245 ftmedian static water level
20 gpmmedian yield (3 tests)

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How deep are wells in and around Malden (99149), Washington?

The median drilled well depth in and around Malden (99149) is 200 ft, based on 61 wells with recorded depths in the state Ecology database. Half fall between 128 ft and 280 ft; 90% are shallower than 450 ft.

How much does it cost to drill a well in and around Malden (99149)?

Applying published per-foot rates to the local median depth of 200 ft: drilling and casing alone typically runs $5,000–$13,000; a complete system including pump, pressure tank, and hookup typically runs $12,000–$20,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Malden (99149)?

The median static water level is 245 ft below ground surface (middle half of wells: 172 ft–304 ft), from 4 measurements.

Drilled depth distribution

0–50 ft 3 50–100 ft 8 100–150 ft 8 150–200 ft 9 200–300 ft 20 300–400 ft 3 400–600 ft 10 600+ ft 0
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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.