⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Franklin County › ZIP 99301

ZIP 99301, Franklin County: well depth, water level & drilling cost

✓ 722 Ecology records · Franklin County

177 ftmedian well depth
115 ft–280 fttypical depth range
120 ftmedian static water level
30 gpmmedian yield (252 tests)

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How deep are wells in ZIP 99301, Washington?

The median drilled well depth in ZIP 99301 is 177 ft, based on 721 wells with recorded depths in the state Ecology database. Half fall between 115 ft and 280 ft; 90% are shallower than 440 ft.

How much does it cost to drill a well in ZIP 99301?

Applying published per-foot rates to the local median depth of 221 ft: drilling and casing alone typically runs $5,525–$14,365; a complete system including pump, pressure tank, and hookup typically runs $13,260–$22,100. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 99301?

The median static water level is 120 ft below ground surface (middle half of wells: 63 ft–152 ft), from 224 measurements.

Drilled depth distribution

0–50 ft 35 50–100 ft 120 100–150 ft 131 150–200 ft 117 200–300 ft 151 300–400 ft 65 400–600 ft 69 600+ ft 33
Looking at a specific property in ZIP 99301?

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Part of Franklin 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.