Washington Well Data field records · 2026 survey

Washington Well DataLewis County › Centralia (98531)

Centralia, WA (98531): well depth, water level & drilling cost

✓ 389 Ecology records · Lewis County

100 ftmedian well depth
59 ft–175 fttypical depth range
35 ftmedian static water level
10 gpmmedian yield (220 tests)

How deep are wells in Centralia (98531), Washington?

The median drilled well depth in Centralia (98531) is 100 ft, based on 389 wells with recorded depths in the state Ecology database. Half fall between 59 ft and 175 ft; 90% are shallower than 260 ft.

How much does it cost to drill a well in Centralia (98531)?

Applying published per-foot rates to the local median depth of 100 ft: drilling and casing alone typically runs $2,500–$6,500; a complete system including pump, pressure tank, and hookup typically runs $6,000–$10,000. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers who work in Centralia (98531)

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

What is the static water level in Centralia (98531)?

The median static water level is 35 ft below ground surface (middle half of wells: 18 ft–75 ft), from 181 measurements.

Pull every recorded well near a Centralia (98531) address — $19

Bad well water in Lewis County?

Iron staining, rotten-egg smell, hard water, or a failed test at closing — Salish Water Works, a new Puget Sound company, publishes its treatment systems and planned prices up front and specs the fix from your water test. No in-home sales visit. Installation opens Fall 2026; the waitlist is open now and waitlist members get first slot priority.

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Drilled depth distribution

0–50 ft 49 50–100 ft 143 100–150 ft 73 150–200 ft 38 200–300 ft 58 300–400 ft 15 400–600 ft 12 600+ ft 1
Looking at a specific property in Centralia (98531)?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

Free lookup Property report — $19

Part of Lewis 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.