⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Franklin County › ZIP 99326

ZIP 99326, Franklin County: well depth, water level & drilling cost

✓ 50 Ecology records · Franklin County

473 ftmedian well depth
303 ft–714 fttypical depth range
285 ftmedian static water level
20 gpmmedian yield (13 tests)

How deep are wells in ZIP 99326, Washington?

The median drilled well depth in ZIP 99326 is 473 ft, based on 50 wells with recorded depths in the state Ecology database. Half fall between 303 ft and 714 ft; 90% are shallower than 822 ft.

How much does it cost to drill a well in ZIP 99326?

Applying published per-foot rates to the local median depth of 500 ft: drilling and casing alone typically runs $12,500–$32,500; a complete system including pump, pressure tank, and hookup typically runs $30,000–$50,000. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers who work in ZIP 99326

Free for property owners. We route your request only to licensed drillers who actually file well logs in Franklin County — never sold elsewhere.

What is the static water level in ZIP 99326?

The median static water level is 285 ft below ground surface (middle half of wells: 137 ft–493 ft), from 14 measurements.

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Drilled depth distribution

0–50 ft 0 50–100 ft 1 100–150 ft 1 150–200 ft 4 200–300 ft 6 300–400 ft 9 400–600 ft 13 600+ ft 16
Looking at a specific property in ZIP 99326?

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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.