Washington Well Data › Snohomish County
Snohomish County, Washington: well depth, water level & drilling cost
✓ 15,446 Ecology records · verified 2026-10-02
Pull every recorded well near a Snohomish County address — $49
How deep are wells in Snohomish County, Washington?
The median drilled well depth in Snohomish County is 108 ft, based on 15,350 wells with recorded depths in the state Ecology database. Half of all wells fall between 62 ft and 180 ft; 90% are shallower than 278 ft. Wells drilled since 2016 have a median depth of 118 ft.
How much does it cost to drill a well in Snohomish County?
Applying published per-foot rates to the local median depth of 118 ft: drilling and casing alone typically runs $2,950–$7,670; a complete system including pump, pressure tank, and hookup typically runs $7,080–$11,800. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Snohomish County?
The median static water level is 49 ft below ground surface (middle half of wells: 17 ft–111 ft), from 1,680 measurements.
How much water do wells in Snohomish County produce?
The median tested yield is 15 gpm (middle half: 8 gpm–25 gpm), from 1,686 pump tests. A typical household needs 5–10 gpm.
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.comDrilled depth distribution
Who drills wells in Snohomish 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 |
|---|---|
| Paul Anderson | 437 |
| Gary Maze | 197 |
| Ralph Riggles | 151 |
| Dale Westby | 149 |
| Pierce Kiltoff | 104 |
| David Rutledge | 101 |
| Brannon Hopke | 75 |
| Westin Halvorson | 74 |
See every driller with wells on record in Snohomish County, ranked →
Get quotes from local drillers
See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $49Free. Goes to licensed drillers working Snohomish County.
Well records by ZIP code in Snohomish County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Arlington (98223) — 3,054 wells, median 97 ft
- Lake Stevens (98258) — 1,536 wells, median 110 ft
- 98292 — 1,366 wells, median 170 ft
- Monroe (98272) — 1,346 wells, median 123 ft
- Silvana (98287) — 1,208 wells, median 120 ft
- Granite Falls (98252) — 1,173 wells, median 81 ft
- Marysville (98270) — 842 wells, median 97 ft
- Marysville (98271) — 773 wells, median 135 ft
- 98290 — 522 wells, median 121 ft
- North Lakewood (98259) — 482 wells, median 115 ft
- Darrington (98241) — 458 wells, median 64 ft
- Snohomish (98291) — 356 wells, median 115 ft
- Snohomish (98296) — 345 wells, median 145 ft
- Bothell (98012) — 314 wells, median 94 ft
- Startup (98293) — 314 wells, median 120 ft
- Woodinville (98072) — 229 wells, median 110 ft
- Gold Bar (98251) — 222 wells, median 58 ft
- Sultan (98294) — 217 wells, median 73 ft
- Index (98256) — 122 wells, median 52 ft
- Everett (98201) — 54 wells, median 146 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.