⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Okanogan County › Okanogan (98840)

Okanogan, WA (98840): well depth, water level & drilling cost

✓ 495 Ecology records · Okanogan County

171 ftmedian well depth
87 ft–320 fttypical depth range
41 ftmedian static water level
15 gpmmedian yield (61 tests)

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How deep are wells in and around Okanogan (98840), Washington?

The median drilled well depth in and around Okanogan (98840) is 171 ft, based on 492 wells with recorded depths in the state Ecology database. Half fall between 87 ft and 320 ft; 90% are shallower than 484 ft.

How much does it cost to drill a well in and around Okanogan (98840)?

Applying published per-foot rates to the local median depth of 171 ft: drilling and casing alone typically runs $4,275–$11,115; a complete system including pump, pressure tank, and hookup typically runs $10,260–$17,100. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Okanogan (98840)?

The median static water level is 41 ft below ground surface (middle half of wells: 20 ft–65 ft), from 59 measurements.

Drilled depth distribution

0–50 ft 37 50–100 ft 108 100–150 ft 73 150–200 ft 46 200–300 ft 72 300–400 ft 63 400–600 ft 73 600+ ft 20
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Part of Okanogan 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.