Washington Well Data › Columbia County
Columbia County, Washington: well depth, water level & drilling cost
✓ 325 Ecology records · verified 2026-07-28
How deep are wells in Columbia County, Washington?
The median drilled well depth in Columbia County is 261 ft, based on 322 wells with recorded depths in the state Ecology database. Half of all wells fall between 140 ft and 420 ft; 90% are shallower than 600 ft. Wells drilled since 2016 have a median depth of 260 ft.
How much does it cost to drill a well in Columbia County?
Applying published per-foot rates to the local median depth of 260 ft: drilling and casing alone typically runs $6,500–$16,900; a complete system including pump, pressure tank, and hookup typically runs $15,600–$26,000. 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 Columbia County — never sold elsewhere.
What is the static water level in Columbia County?
The median static water level is 137 ft below ground surface (middle half of wells: 49 ft–278 ft), from 54 measurements.
How much water do wells in Columbia County produce?
The median tested yield is 20 gpm (middle half: 15 gpm–30 gpm), from 81 pump tests. A typical household needs 5–10 gpm.
Pull every recorded well near a Columbia County address — $19
Drilled depth distribution
Who drills wells in Columbia 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 |
|---|---|
| James Hickam | 34 |
| Aidan Gemmell | 15 |
| Brady Voth | 3 |
| David Smith | 3 |
| Caleb Forsmann | 3 |
| Garry Zollman | 2 |
| Richard Dodrill | 1 |
| Doug Schnabl | 1 |
See every driller with wells on record in Columbia 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 — $19Well records by ZIP code in Columbia County
Median depth, water level, and yield for each ZIP code with recorded wells.
- 99328 — 111 wells, median 272 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.