⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Lincoln County › Grand Coulee (99133)

Grand Coulee, WA (99133): well depth, water level & drilling cost

✓ 182 Ecology records · Lincoln County

257 ftmedian well depth
160 ft–405 fttypical depth range
197 ftmedian static water level
15 gpmmedian yield (48 tests)

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How deep are wells in and around Grand Coulee (99133), Washington?

The median drilled well depth in and around Grand Coulee (99133) is 257 ft, based on 180 wells with recorded depths in the state Ecology database. Half fall between 160 ft and 405 ft; 90% are shallower than 540 ft.

How much does it cost to drill a well in and around Grand Coulee (99133)?

Applying published per-foot rates to the local median depth of 257 ft: drilling and casing alone typically runs $6,425–$16,705; a complete system including pump, pressure tank, and hookup typically runs $15,420–$25,700. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Grand Coulee (99133)?

The median static water level is 197 ft below ground surface (middle half of wells: 120 ft–310 ft), from 52 measurements.

Drilled depth distribution

0–50 ft 2 50–100 ft 18 100–150 ft 15 150–200 ft 27 200–300 ft 46 300–400 ft 17 400–600 ft 38 600+ ft 17
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Part of Lincoln 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.