Washington Well Data › Jefferson County
Jefferson County, Washington: well depth, water level & drilling cost
✓ 4,317 Ecology records · verified 2026-10-02
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How deep are wells in Jefferson County, Washington?
The median drilled well depth in Jefferson County is 137 ft, based on 4,267 wells with recorded depths in the state Ecology database. Half of all wells fall between 76 ft and 228 ft; 90% are shallower than 317 ft. Wells drilled since 2016 have a median depth of 170 ft.
How much does it cost to drill a well in Jefferson County?
Applying published per-foot rates to the local median depth of 170 ft: drilling and casing alone typically runs $4,250–$11,050; a complete system including pump, pressure tank, and hookup typically runs $10,200–$17,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Jefferson County?
The median static water level is 50 ft below ground surface (middle half of wells: 20 ft–109 ft), from 1,009 measurements.
How much water do wells in Jefferson County produce?
The median tested yield is 12 gpm (middle half: 5 gpm–20 gpm), from 348 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Jefferson 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 |
|---|---|
| Raymond Bauer | 38 |
| Richard Debler | 30 |
| James Tillia | 29 |
| Jack Wilson | 26 |
| Joshua Koepp | 21 |
| Donald Lofall | 19 |
| Rogeray Phythian | 18 |
| Donald Duckworth | 12 |
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Well records by ZIP code in Jefferson County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Quilcene (98376) — 913 wells, median 130 ft
- Chimacum (98325) — 735 wells, median 125 ft
- Port Townsend (98368) — 730 wells, median 191 ft
- Brinnon (98320) — 645 wells, median 150 ft
- Port Ludlow (98365) — 531 wells, median 109 ft
- Nordland (98358) — 402 wells, median 114 ft
- Port Hadlock (98339) — 226 wells, median 125 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.