Washington Well Data › Island County › Oak Harbor (98277)

Oak Harbor, WA (98277): well depth, water level & drilling cost

Name: Oak Harbor, WA (98277) water well statistics
Creator: Washington Well Data
License: https://creativecommons.org/licenses/by/4.0/

✓ 286 Ecology records · Island County

156 ftmedian well depth

99 ft–220 fttypical depth range

114 ftmedian static water level

12 gpmmedian yield (136 tests)

How deep are wells in Oak Harbor (98277), Washington?

The median drilled well depth in Oak Harbor (98277) is 156 ft, based on 283 wells with recorded depths in the state Ecology database. Half fall between 99 ft and 220 ft; 90% are shallower than 267 ft.

How much does it cost to drill a well in Oak Harbor (98277)?

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.

Get quotes from drillers who work in Oak Harbor (98277)

Free for property owners. We route your request only to licensed drillers who actually file well logs in Island County — never sold elsewhere.

What is the static water level in Oak Harbor (98277)?

The median static water level is 114 ft below ground surface (middle half of wells: 61 ft–186 ft), from 136 measurements.

Pull every recorded well near a Oak Harbor (98277) address — $19

Bad well water in Island County?

Iron staining, rotten-egg smell, hard water, or a failed test at closing — Salish Water Works, a new Puget Sound company, publishes its treatment systems and planned prices up front and specs the fix from your water test. No in-home sales visit. Installation opens Fall 2026; the waitlist is open now and waitlist members get first slot priority.

See planned systems & pricing → salishwaterworks.com

Drilled depth distribution

0–50 ft 10 50–100 ft 63 100–150 ft 61 150–200 ft 54 200–300 ft 83 300–400 ft 10 400–600 ft 2 600+ ft 0

Looking at a specific property in Oak Harbor (98277)?

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

Free lookup Property report — $19

Part of Island 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.