⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Yakima County

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

✓ 18,185 Ecology records · verified 2026-06-11

163 ftmedian well depth
96 ft–280 fttypical depth range
81 ftmedian static water level
50 gpmmedian yield (1,992 tests)

How deep are wells in Yakima County, Washington?

The median drilled well depth in Yakima County is 163 ft, based on 17,958 wells with recorded depths in the state Ecology database. Half of all wells fall between 96 ft and 280 ft; 90% are shallower than 455 ft. Wells drilled since 2016 have a median depth of 217 ft.

How much does it cost to drill a well in Yakima County?

Applying published per-foot rates to the local median depth of 217 ft: drilling and casing alone typically runs $5,425–$14,105; a complete system including pump, pressure tank, and hookup typically runs $13,020–$21,700. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Yakima County?

The median static water level is 81 ft below ground surface (middle half of wells: 29 ft–175 ft), from 1,578 measurements.

How much water do wells in Yakima County produce?

The median tested yield is 50 gpm (middle half: 30 gpm–75 gpm), from 1,992 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 1,490 50–100 ft 3,147 100–150 ft 3,450 150–200 ft 2,514 200–300 ft 3,293 300–400 ft 1,644 400–600 ft 1,501 600+ ft 919

Who drills wells in Yakima 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
Derrick Rank285
Thomas Mcguire279
Gary Lydin251
Justin Wamsley249
Michael Robinson165
Craig Wamsley55
Lyle Amos33
Kevin Lydin28

Get quotes from local drillers

Looking at a specific property in Yakima County?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

Free lookup Property report — $19

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.