⟁ Washington Well Data field records · 2026 survey

Washington Well Data › San Juan County › Lopez Island (98261)

Lopez Island, WA (98261): well depth, water level & drilling cost

✓ 1,119 Ecology records · San Juan County

165 ftmedian well depth
106 ft–245 fttypical depth range
90 ftmedian static water level
15 gpmmedian yield (56 tests)

Pull every recorded well near a Lopez Island (98261) address — $49

How deep are wells in and around Lopez Island (98261), Washington?

The median drilled well depth in and around Lopez Island (98261) is 165 ft, based on 1,114 wells with recorded depths in the state Ecology database. Half fall between 106 ft and 245 ft; 90% are shallower than 351 ft.

How much does it cost to drill a well in and around Lopez Island (98261)?

Applying published per-foot rates to the local median depth of 165 ft: drilling and casing alone typically runs $4,125–$10,725; a complete system including pump, pressure tank, and hookup typically runs $9,900–$16,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Lopez Island (98261)?

The median static water level is 90 ft below ground surface (middle half of wells: 35 ft–147 ft), from 59 measurements.

Drilled depth distribution

0–50 ft 57 50–100 ft 178 100–150 ft 245 150–200 ft 207 200–300 ft 235 300–400 ft 116 400–600 ft 63 600+ ft 13
Looking at a specific property in Lopez Island (98261)?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

Free lookup Property report — $49
Get quotes from drillers who work in Lopez Island (98261)

Free. Goes to licensed drillers working San Juan County.

Part of San Juan 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.