Washington Well Data › Island County
Island County, Washington: well depth, water level & drilling cost
✓ 3,490 Ecology records · verified 2026-07-28
How deep are wells in Island County, Washington?
The median drilled well depth in Island County is 178 ft, based on 3,461 wells with recorded depths in the state Ecology database. Half of all wells fall between 115 ft and 253 ft; 90% are shallower than 335 ft. Wells drilled since 2016 have a median depth of 175 ft.
How much does it cost to drill a well in Island County?
Applying published per-foot rates to the local median depth of 175 ft: drilling and casing alone typically runs $4,375–$11,375; a complete system including pump, pressure tank, and hookup typically runs $10,500–$17,500. Actual quotes depend on site access, geology, and casing requirements.
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 Island County?
The median static water level is 134 ft below ground surface (middle half of wells: 71 ft–203 ft), from 750 measurements.
How much water do wells in Island County produce?
The median tested yield is 12 gpm (middle half: 10 gpm–17 gpm), from 755 pump tests. A typical household needs 5–10 gpm.
Pull every recorded well near a Island County address — $19
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See planned systems & pricing → salishwaterworks.comDrilled depth distribution
Who drills wells in Island County?
Licensed drillers by number of wells completed in this county since 2016, per filed well reports (license roster: Washington Department of Ecology).
| Driller | Wells since 2016 |
|---|---|
| Brannon Hopke | 191 |
| Ralph Riggles | 148 |
| Ryan Wilhonen | 114 |
| Gerlof Boonstra | 112 |
| Westin Halvorson | 57 |
| Eugene Hitt | 49 |
| Ryan Harris | 25 |
| E Himebaugh | 19 |
See every driller with wells on record in Island County, ranked →
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See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $19Well records by ZIP code in Island County
Median depth, water level, and yield for each ZIP code with recorded wells.
- 98282 — 334 wells, median 200 ft
- Oak Harbor (98277) — 286 wells, median 156 ft
- Clinton (98236) — 150 wells, median 125 ft
- Langley (98260) — 125 wells, median 158 ft
- Coupeville (98239) — 116 wells, median 197 ft
- Freeland (98249) — 62 wells, median 187 ft
- Greenbank (98253) — 51 wells, median 188 ft
Method: medians computed from Ecology records (water wells only — soil/environmental borings and decommissions excluded; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.