Washington Well Data › Clark County
Clark County, Washington: well depth, water level & drilling cost
✓ 18,106 Ecology records · verified 2026-10-02
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How deep are wells in Clark County, Washington?
The median drilled well depth in Clark County is 152 ft, based on 18,013 wells with recorded depths in the state Ecology database. Half of all wells fall between 102 ft and 233 ft; 90% are shallower than 361 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.
What is the static water level in Clark County?
The median static water level is 75 ft below ground surface (middle half of wells: 38 ft–130 ft), from 3,536 measurements.
How much water do wells in Clark County produce?
The median tested yield is 15 gpm (middle half: 9 gpm–28 gpm), from 1,826 pump tests. A typical household needs 5–10 gpm.
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 | 518 |
| Michael Pitner | 304 |
| Jordan Aspaas | 227 |
| Mark Blackburn | 188 |
| Reazo Redinger III | 100 |
| Gordon Millar | 78 |
| Donald Pitner JR | 65 |
| Mark Allais | 35 |
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Well records by ZIP code in Clark County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Washougal (98671) — 2,658 wells, median 159 ft
- Ridgefield (98642) — 2,293 wells, median 187 ft
- La Center (98629) — 1,952 wells, median 160 ft
- Camas (98607) — 1,820 wells, median 158 ft
- Brush Prairie (98606) — 1,562 wells, median 138 ft
- Battle Ground (98604) — 1,396 wells, median 122 ft
- Amboy (98601) — 1,151 wells, median 205 ft
- Yacolt (98675) — 1,100 wells, median 202 ft
- Vancouver (98682) — 818 wells, median 116 ft
- Vancouver (98686) — 631 wells, median 116 ft
- Heisson (98622) — 563 wells, median 192 ft
- Vancouver (98662) — 548 wells, median 130 ft
- Vancouver (98684) — 405 wells, median 119 ft
- Vancouver (98685) — 340 wells, median 170 ft
- Vancouver (98683) — 214 wells, median 140 ft
- Vancouver (98664) — 129 wells, median 125 ft
- Vancouver (98661) — 108 wells, median 152 ft
- Vancouver (98665) — 86 wells, median 136 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.