⟁ Washington Well Data field records · 2026 survey

Washington Well Data › King County › Renton (98058)

Renton, WA (98058): well depth, water level & drilling cost

✓ 160 Ecology records · King County

72 ftmedian well depth
38 ft–161 fttypical depth range
12 ftmedian static water level
14 gpmmedian yield (7 tests)

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How deep are wells in and around Renton (98058), Washington?

The median drilled well depth in and around Renton (98058) is 72 ft, based on 160 wells with recorded depths in the state Ecology database. Half fall between 38 ft and 161 ft; 90% are shallower than 270 ft.

How much does it cost to drill a well in and around Renton (98058)?

Applying published per-foot rates to the local median depth of 72 ft: drilling and casing alone typically runs $1,800–$4,680; a complete system including pump, pressure tank, and hookup typically runs $4,320–$7,200. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Renton (98058)?

The median static water level is 12 ft below ground surface (middle half of wells: 12 ft–26 ft), from 3 measurements.

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Drilled depth distribution

0–50 ft 55 50–100 ft 42 100–150 ft 19 150–200 ft 15 200–300 ft 15 300–400 ft 10 400–600 ft 2 600+ ft 2
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Part of King 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.