⟁ California Well Data field records · 2026 survey

← All California drillers

Ost-Air Drilling

Recorded as the driller on 56 water wells across 2 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Mendocino County. Well-log records span 1975–1983.

56wells on record
—since 2022
2counties served
78 ftmedian depth

Counties served

Wells drilled by Ost-Air Drilling, by county, across the full record.

CountyWells drilled
Mendocino County 55
Sonoma County 1

Well characteristics

Across the wells Ost-Air Drilling has drilled, the median depth is 78 ft (middle half 50 ft–118 ft), median tested yield 30 gpm, and median static water level 17 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Ost-Air Drilling, straight from the public DWR record:

"Records span 1975–1983" refers to the earliest and latest well logs attributed to this company in the DWR database — the state digitized older paper logs, so the first date is the oldest record on file, not necessarily the company's founding year.

Need a well drilled in Mendocino County?

Free. Goes to licensed drillers working Mendocino County, including Ost-Air Drilling.

Is this your company?

This page is built from the public DWR well-log record and helps property owners find a driller. Claim it (free) to confirm the details are right and give customers a way to reach you.

Claim this page

This directory helps property owners find a driller, using public DWR records. Claim your page to confirm the details are accurate and give customers a way to reach you. Free — reviewed before anything goes live.