⟁ California Well Data field records · 2026 survey

← All California drillers

Knapp & Graham Inc.

Recorded as the driller on 596 water wells across 6 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Tulare County. Well-log records span 1950–1968.

596wells on record
—since 2022
6counties served
220 ftmedian depth

Counties served

Wells drilled by Knapp & Graham Inc., by county, across the full record.

CountyWells drilled
Tulare County 404
Kings County 110
Fresno County 48
Kern County 25
San Bernardino County 2
Monterey County 1

Well characteristics

Across the wells Knapp & Graham Inc. has drilled, the median depth is 220 ft (middle half 160 ft–385 ft), median tested yield 1,816 gpm, and median static water level 78 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.

Original drilling logs

Recent well logs filed by Knapp & Graham Inc., straight from the public DWR record:

"Records span 1950–1968" 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 Tulare County?

Free. Goes to licensed drillers working Tulare County, including Knapp & Graham Inc..

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.