Washington Well Data › Benton County
Benton County, Washington: well depth, water level & drilling cost
✓ 4,443 Ecology records · verified 2026-08-26
Pull every recorded well near a Benton County address — $39
How deep are wells in Benton County, Washington?
The median drilled well depth in Benton County is 162 ft, based on 4,417 wells with recorded depths in the state Ecology database. Half of all wells fall between 115 ft and 300 ft; 90% are shallower than 475 ft. Wells drilled since 2016 have a median depth of 196 ft.
How much does it cost to drill a well in Benton County?
Applying published per-foot rates to the local median depth of 196 ft: drilling and casing alone typically runs $4,900–$12,740; a complete system including pump, pressure tank, and hookup typically runs $11,760–$19,600. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Benton County?
The median static water level is 82 ft below ground surface (middle half of wells: 31 ft–179 ft), from 1,009 measurements.
How much water do wells in Benton County produce?
The median tested yield is 30 gpm (middle half: 20 gpm–50 gpm), from 1,172 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Benton 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 |
|---|---|
| Joshua Burns | 168 |
| Todd Haney | 121 |
| Lyle Amos | 99 |
| Forest Hoopes | 86 |
| David Cox | 69 |
| Rod Cox | 64 |
| Chad Gregory | 64 |
| Clay Ross | 55 |
See every driller with wells on record in Benton 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 — $39Free. Goes to licensed drillers working Benton County.
Well records by ZIP code in Benton County
Median depth, water level, and yield for each ZIP code with recorded wells.
- 99350 — 449 wells, median 135 ft
- 99320 — 265 wells, median 239 ft
- 99337 — 230 wells, median 165 ft
- 99336 — 104 wells, median 160 ft
- 99353 — 100 wells, median 217 ft
- Kennewick (99338) — 77 wells, median 345 ft
- 99352 — 64 wells, median 190 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.