⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Okanogan County › Nespelem (99155)

Nespelem, WA (99155): well depth, water level & drilling cost

✓ 191 Ecology records · Okanogan County

142 ftmedian well depth
79 ft–292 fttypical depth range
28 ftmedian static water level
17 gpmmedian yield (26 tests)

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How deep are wells in and around Nespelem (99155), Washington?

The median drilled well depth in and around Nespelem (99155) is 142 ft, based on 190 wells with recorded depths in the state Ecology database. Half fall between 79 ft and 292 ft; 90% are shallower than 400 ft.

How much does it cost to drill a well in and around Nespelem (99155)?

Applying published per-foot rates to the local median depth of 142 ft: drilling and casing alone typically runs $3,550–$9,230; a complete system including pump, pressure tank, and hookup typically runs $8,520–$14,200. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Nespelem (99155)?

The median static water level is 28 ft below ground surface (middle half of wells: 14 ft–60 ft), from 23 measurements.

Drilled depth distribution

0–50 ft 15 50–100 ft 50 100–150 ft 33 150–200 ft 18 200–300 ft 27 300–400 ft 27 400–600 ft 18 600+ ft 2
Looking at a specific property in Nespelem (99155)?

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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.