Washington Well Data › Clark County
Clark County, Washington: well depth, water level & drilling cost
✓ 7,016 Ecology records · verified 2026-07-28
How deep are wells in Clark County, Washington?
The median drilled well depth in Clark County is 183 ft, based on 6,923 wells with recorded depths in the state Ecology database. Half of all wells fall between 121 ft and 300 ft; 90% are shallower than 445 ft. Wells drilled since 2016 have a median depth of 202 ft.
How much does it cost to drill a well in Clark County?
Applying published per-foot rates to the local median depth of 202 ft: drilling and casing alone typically runs $5,050–$13,130; a complete system including pump, pressure tank, and hookup typically runs $12,120–$20,200. Actual quotes depend on site access, geology, and casing requirements.
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What is the static water level in Clark County?
The median static water level is 86 ft below ground surface (middle half of wells: 43 ft–150 ft), from 1,464 measurements.
How much water do wells in Clark County produce?
The median tested yield is 15 gpm (middle half: 9 gpm–28 gpm), from 1,815 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Clark 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 |
|---|---|
| Reid Redinger | 508 |
| Michael Pitner | 302 |
| Jordan Aspaas | 225 |
| Mark Blackburn | 188 |
| Reazo Redinger III | 100 |
| Gordon Millar | 78 |
| Donald Pitner JR | 65 |
| Mark Allais | 35 |
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Median depth, water level, and yield for each ZIP code with recorded wells.
- Washougal (98671) — 527 wells, median 200 ft
- Yacolt (98675) — 418 wells, median 263 ft
- Ridgefield (98642) — 356 wells, median 196 ft
- 98629 — 347 wells, median 184 ft
- Amboy (98601) — 286 wells, median 240 ft
- Battle Ground (98604) — 285 wells, median 156 ft
- Camas (98607) — 230 wells, median 202 ft
- Brush Prairie (98606) — 159 wells, median 158 ft
- Vancouver (98682) — 109 wells, median 153 ft
- Vancouver (98662) — 50 wells, median 133 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.