Washington Well Data › Lewis County
Lewis County, Washington: well depth, water level & drilling cost
✓ 13,511 Ecology records · verified 2026-06-11
How deep are wells in Lewis County, Washington?
The median drilled well depth in Lewis County is 100 ft, based on 12,874 wells with recorded depths in the state Ecology database. Half of all wells fall between 60 ft and 158 ft; 90% are shallower than 257 ft. Wells drilled since 2016 have a median depth of 100 ft.
How much does it cost to drill a well in Lewis County?
Applying published per-foot rates to the local median depth of 100 ft: drilling and casing alone typically runs $2,500–$6,500; a complete system including pump, pressure tank, and hookup typically runs $6,000–$10,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Lewis County?
The median static water level is 33 ft below ground surface (middle half of wells: 16 ft–71 ft), from 3,654 measurements.
How much water do wells in Lewis County produce?
The median tested yield is 20 gpm (middle half: 8 gpm–35 gpm), from 4,045 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Lewis 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 |
|---|---|
| Christopher Jones | 1,222 |
| Daniel King | 514 |
| Willie Williams | 147 |
| Robert Laymon | 144 |
| John Brazeau | 140 |
| Eric Brasher | 80 |
| Terry Gavin | 69 |
| Mark Wiese | 52 |
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 — $19Method: 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.