Washington Well Data field records · 2026 survey

Washington Well DataLewis County › Mossyrock (98564)

Mossyrock, WA (98564): well depth, water level & drilling cost

✓ 292 Ecology records · Lewis County

218 ftmedian well depth
117 ft–305 fttypical depth range
85 ftmedian static water level
10 gpmmedian yield (161 tests)

How deep are wells in Mossyrock (98564), Washington?

The median drilled well depth in Mossyrock (98564) is 218 ft, based on 291 wells with recorded depths in the state Ecology database. Half fall between 117 ft and 305 ft; 90% are shallower than 428 ft.

How much does it cost to drill a well in Mossyrock (98564)?

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.

Get quotes from drillers who work in Mossyrock (98564)

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 Mossyrock (98564)?

The median static water level is 85 ft below ground surface (middle half of wells: 57 ft–134 ft), from 133 measurements.

Pull every recorded well near a Mossyrock (98564) 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.

See planned systems & pricing → salishwaterworks.com

Drilled depth distribution

0–50 ft 6 50–100 ft 50 100–150 ft 47 150–200 ft 30 200–300 ft 72 300–400 ft 43 400–600 ft 34 600+ ft 9
Looking at a specific property in Mossyrock (98564)?

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.