Washington Well Data › Lewis County
Lewis County, Washington: well depth, water level & drilling cost
✓ 8,352 Ecology records · verified 2026-07-28
How deep are wells in Lewis County, Washington?
The median drilled well depth in Lewis County is 100 ft, based on 8,277 wells with recorded depths in the state Ecology database. Half of all wells fall between 60 ft and 164 ft; 90% are shallower than 265 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.
Free for property owners. We route your request only to licensed drillers who actually file well logs in Lewis County — never sold elsewhere.
What is the static water level in Lewis County?
The median static water level is 37 ft below ground surface (middle half of wells: 18 ft–80 ft), from 2,518 measurements.
How much water do wells in Lewis County produce?
The median tested yield is 15 gpm (middle half: 7 gpm–30 gpm), from 2,947 pump tests. A typical household needs 5–10 gpm.
Pull every recorded well near a Lewis County address — $19
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See planned systems & pricing → salishwaterworks.comDrilled 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 | 1,225 |
| Daniel King | 514 |
| John Brazeau | 154 |
| Willie Williams | 147 |
| Robert Laymon | 144 |
| Eric Brasher | 89 |
| Terry Gavin | 69 |
| Mark Wiese | 52 |
See every driller with wells on record in Lewis County, ranked →
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Free lookup Property report — $19Well records by ZIP code in Lewis County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Chehalis (98532) — 1,082 wells, median 118 ft
- Onalaska (98570) — 526 wells, median 119 ft
- Winlock (98596) — 473 wells, median 113 ft
- Toledo (98591) — 449 wells, median 59 ft
- Centralia (98531) — 389 wells, median 100 ft
- Mossyrock (98564) — 292 wells, median 218 ft
- Randle (98377) — 213 wells, median 80 ft
- Morton (98356) — 153 wells, median 78 ft
- Adna (98522) — 129 wells, median 140 ft
- Napavine (98565) — 117 wells, median 104 ft
- Packwood (98361) — 114 wells, median 68 ft
- Pe Ell (98572) — 70 wells, median 100 ft
- Salkum (98582) — 61 wells, median 197 ft
- Glenoma (98336) — 60 wells, median 79 ft
- Mineral (98355) — 58 wells, median 60 ft
- Silver Creek (98585) — 56 wells, median 177 ft
- Cinebar (98533) — 52 wells, median 128 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.