Filipponi-Thompson Drilling Inc.
Recorded as the driller on 2,135 water wells across 6 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in San Luis Obispo County. Well-log records span 1980–2026.
Counties served
Wells drilled by Filipponi-Thompson Drilling Inc., by county, across the full record.
| County | Wells drilled |
|---|---|
| San Luis Obispo County | 1,369 |
| Santa Barbara County | 542 |
| Monterey County | 209 |
| Ventura County | 11 |
| Kern County | 3 |
| Orange County | 1 |
Well characteristics
Across the wells Filipponi-Thompson Drilling Inc. has drilled, the median depth is 451 ft (middle half 300 ft–600 ft), median tested yield 70 gpm, and median static water level 135 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Filipponi-Thompson Drilling Inc., straight from the public DWR record:
"Records span 1980–2026" 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.
Free. Goes to licensed drillers working San Luis Obispo County, including Filipponi-Thompson Drilling 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.
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.