⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Grays Harbor County › Cosmopolis (98537)

Cosmopolis, WA (98537): well depth, water level & drilling cost

✓ 141 Ecology records · Grays Harbor County

64 ftmedian well depth
42 ft–100 fttypical depth range
20 ftmedian static water level
5 gpmmedian yield (13 tests)

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How deep are wells in and around Cosmopolis (98537), Washington?

The median drilled well depth in and around Cosmopolis (98537) is 64 ft, based on 141 wells with recorded depths in the state Ecology database. Half fall between 42 ft and 100 ft; 90% are shallower than 180 ft.

How much does it cost to drill a well in and around Cosmopolis (98537)?

Applying published per-foot rates to the local median depth of 64 ft: drilling and casing alone typically runs $1,600–$4,160; a complete system including pump, pressure tank, and hookup typically runs $3,840–$6,400. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Cosmopolis (98537)?

The median static water level is 20 ft below ground surface (middle half of wells: 11 ft–42 ft), from 46 measurements.

Drilled depth distribution

0–50 ft 50 50–100 ft 49 100–150 ft 21 150–200 ft 8 200–300 ft 8 300–400 ft 3 400–600 ft 2 600+ ft 0
Looking at a specific property in Cosmopolis (98537)?

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Part of Grays Harbor 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.