⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Stevens County › Tumtum (99034)

Tumtum, WA (99034): well depth, water level & drilling cost

✓ 621 Ecology records · Stevens County

225 ftmedian well depth
120 ft–322 fttypical depth range
140 ftmedian static water level
15 gpmmedian yield (71 tests)

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How deep are wells in and around Tumtum (99034), Washington?

The median drilled well depth in and around Tumtum (99034) is 225 ft, based on 614 wells with recorded depths in the state Ecology database. Half fall between 120 ft and 322 ft; 90% are shallower than 440 ft.

How much does it cost to drill a well in and around Tumtum (99034)?

Applying published per-foot rates to the local median depth of 225 ft: drilling and casing alone typically runs $5,625–$14,625; a complete system including pump, pressure tank, and hookup typically runs $13,500–$22,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Tumtum (99034)?

The median static water level is 140 ft below ground surface (middle half of wells: 44 ft–215 ft), from 67 measurements.

Drilled depth distribution

0–50 ft 27 50–100 ft 97 100–150 ft 65 150–200 ft 65 200–300 ft 154 300–400 ft 111 400–600 ft 69 600+ ft 26
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Part of Stevens 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.