Washington Well Data field records · 2026 survey

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Earl Hilliker

Recorded as the driller on 445 water wells across 8 Washington counties in Washington State Department of Ecology well construction reports, most in Pierce County. Well-log records span 1985–2001.

445wells on record
since 2022
8counties served
116 ftmedian depth

Counties served

Wells drilled by Earl Hilliker, by county, across the full record.

CountyWells drilled
Pierce County 263
Thurston County 134
King County 34
Lewis County 6
Mason County 5
Kitsap County 1
Kittitas County 1
Spokane County 1

Well characteristics

Across the wells Earl Hilliker has drilled, the median depth is 116 ft (middle half 80 ft–160 ft), median tested yield 22 gpm, and median static water level 42 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Earl Hilliker, straight from the public Ecology record:

"Records span 1985–2001" refers to the earliest and latest well logs attributed to this company in the Ecology database — the state digitized older paper logs, so the first date is the oldest record on file, not necessarily the company's founding year.

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