⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Grant County › Royal City (99357)

Royal City, WA (99357): well depth, water level & drilling cost

✓ 610 Ecology records · Grant County

220 ftmedian well depth
157 ft–400 fttypical depth range
121 ftmedian static water level
50 gpmmedian yield (131 tests)

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How deep are wells in Royal City (99357), Washington?

The median drilled well depth in Royal City (99357) is 220 ft, based on 605 wells with recorded depths in the state Ecology database. Half fall between 157 ft and 400 ft; 90% are shallower than 618 ft.

How much does it cost to drill a well in Royal City (99357)?

Applying published per-foot rates to the local median depth of 220 ft: drilling and casing alone typically runs $5,500–$14,300; a complete system including pump, pressure tank, and hookup typically runs $13,200–$22,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Royal City (99357)?

The median static water level is 121 ft below ground surface (middle half of wells: 43 ft–215 ft), from 121 measurements.

Drilled depth distribution

0–50 ft 21 50–100 ft 47 100–150 ft 75 150–200 ft 109 200–300 ft 131 300–400 ft 70 400–600 ft 86 600+ ft 66
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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.