⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Thurston County › Rochester (98579)

Rochester, WA (98579): well depth, water level & drilling cost

✓ 447 Ecology records · Thurston County

79 ftmedian well depth
65 ft–101 fttypical depth range
32 ftmedian static water level
40 gpmmedian yield (207 tests)

How deep are wells in Rochester (98579), Washington?

The median drilled well depth in Rochester (98579) is 79 ft, based on 446 wells with recorded depths in the state Ecology database. Half fall between 65 ft and 101 ft; 90% are shallower than 200 ft.

How much does it cost to drill a well in Rochester (98579)?

Applying published per-foot rates to the local median depth of 80 ft: drilling and casing alone typically runs $2,000–$5,200; a complete system including pump, pressure tank, and hookup typically runs $4,800–$8,000. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers who work in Rochester (98579)

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

What is the static water level in Rochester (98579)?

The median static water level is 32 ft below ground surface (middle half of wells: 18 ft–55 ft), from 186 measurements.

Pull every recorded well near a Rochester (98579) address — $19

Bad well water in Thurston 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 32 50–100 ft 287 100–150 ft 54 150–200 ft 24 200–300 ft 18 300–400 ft 23 400–600 ft 5 600+ ft 3
Looking at a specific property in Rochester (98579)?

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 Thurston 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.