⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Stevens County › Clayton (99110)

Clayton, WA (99110): well depth, water level & drilling cost

✓ 133 Ecology records · Stevens County

200 ftmedian well depth
120 ft–365 fttypical depth range
36 ftmedian static water level
4 gpmmedian yield (55 tests)

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How deep are wells in Clayton (99110), Washington?

The median drilled well depth in Clayton (99110) is 200 ft, based on 133 wells with recorded depths in the state Ecology database. Half fall between 120 ft and 365 ft; 90% are shallower than 500 ft.

How much does it cost to drill a well in Clayton (99110)?

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 Clayton (99110)?

The median static water level is 36 ft below ground surface (middle half of wells: 20 ft–54 ft), from 54 measurements.

Drilled depth distribution

0–50 ft 1 50–100 ft 23 100–150 ft 22 150–200 ft 18 200–300 ft 22 300–400 ft 17 400–600 ft 20 600+ ft 10
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Part of Stevens 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.