⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Skamania County › Underwood (98651)

Underwood, WA (98651): well depth, water level & drilling cost

✓ 93 Ecology records · Skamania County

200 ftmedian well depth
132 ft–365 fttypical depth range
51 ftmedian static water level
23 gpmmedian yield (8 tests)

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How deep are wells in and around Underwood (98651), Washington?

The median drilled well depth in and around Underwood (98651) is 200 ft, based on 93 wells with recorded depths in the state Ecology database. Half fall between 132 ft and 365 ft; 90% are shallower than 480 ft.

How much does it cost to drill a well in and around Underwood (98651)?

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 Underwood (98651)?

The median static water level is 51 ft below ground surface (middle half of wells: 33 ft–137 ft), from 16 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 12 100–150 ft 20 150–200 ft 12 200–300 ft 18 300–400 ft 11 400–600 ft 14 600+ ft 6
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Part of Skamania 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.