⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Clark County

Clark County, Washington: well depth, water level & drilling cost

✓ 20,265 Ecology records · verified 2026-06-11

150 ftmedian well depth
100 ft–230 fttypical depth range
71 ftmedian static water level
20 gpmmedian yield (4,087 tests)

How deep are wells in Clark County, Washington?

The median drilled well depth in Clark County is 150 ft, based on 18,777 wells with recorded depths in the state Ecology database. Half of all wells fall between 100 ft and 230 ft; 90% are shallower than 360 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 71 ft below ground surface (middle half of wells: 35 ft–125 ft), from 3,902 measurements.

How much water do wells in Clark County produce?

The median tested yield is 20 gpm (middle half: 10 gpm–30 gpm), from 4,087 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 675 50–100 ft 3,824 100–150 ft 4,863 150–200 ft 3,287 200–300 ft 3,181 300–400 ft 1,447 400–600 ft 1,164 600+ ft 336

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).

DrillerWells since 2016
Reid Redinger501
Michael Pitner302
Jordan Aspaas222
Mark Blackburn187
Reazo Redinger III100
Gordon Millar78
Donald Pitner JR65
Mark Allais35

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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.