⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Grant County › Soap Lake (98851)

Soap Lake, WA (98851): well depth, water level & drilling cost

✓ 530 Ecology records · Grant County

175 ftmedian well depth
120 ft–245 fttypical depth range
90 ftmedian static water level
35 gpmmedian yield (118 tests)

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How deep are wells in Soap Lake (98851), Washington?

The median drilled well depth in Soap Lake (98851) is 175 ft, based on 529 wells with recorded depths in the state Ecology database. Half fall between 120 ft and 245 ft; 90% are shallower than 346 ft.

How much does it cost to drill a well in Soap Lake (98851)?

Applying published per-foot rates to the local median depth of 175 ft: drilling and casing alone typically runs $4,375–$11,375; a complete system including pump, pressure tank, and hookup typically runs $10,500–$17,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Soap Lake (98851)?

The median static water level is 90 ft below ground surface (middle half of wells: 50 ft–152 ft), from 111 measurements.

Drilled depth distribution

0–50 ft 12 50–100 ft 53 100–150 ft 124 150–200 ft 120 200–300 ft 133 300–400 ft 47 400–600 ft 31 600+ ft 9
Looking at a specific property in Soap Lake (98851)?

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Part of Grant 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.