⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Thurston County › Tumwater (98511)

Tumwater, WA (98511): well depth, water level & drilling cost

✓ 420 Ecology records · Thurston County

87 ftmedian well depth
58 ft–133 fttypical depth range
31 ftmedian static water level
20 gpmmedian yield (13 tests)

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How deep are wells in and around Tumwater (98511), Washington?

The median drilled well depth in and around Tumwater (98511) is 87 ft, based on 418 wells with recorded depths in the state Ecology database. Half fall between 58 ft and 133 ft; 90% are shallower than 254 ft.

How much does it cost to drill a well in and around Tumwater (98511)?

Applying published per-foot rates to the local median depth of 87 ft: drilling and casing alone typically runs $2,175–$5,655; a complete system including pump, pressure tank, and hookup typically runs $5,220–$8,700. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Tumwater (98511)?

The median static water level is 31 ft below ground surface (middle half of wells: 14 ft–57 ft), from 70 measurements.

Bad well water in Thurston County?

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Drilled depth distribution

0–50 ft 66 50–100 ft 173 100–150 ft 90 150–200 ft 34 200–300 ft 21 300–400 ft 13 400–600 ft 14 600+ ft 7
Looking at a specific property in Tumwater (98511)?

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Get quotes from drillers who work in Tumwater (98511)

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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.