Walt Bannon Drilling Inc.
Recorded as the driller on 2,500 water wells across 9 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Madera County. Well-log records span 1953–2026.
Counties served
Wells drilled by Walt Bannon Drilling Inc., by county, across the full record.
| County | Wells drilled |
|---|---|
| Madera County | 1,562 |
| Fresno County | 784 |
| Mariposa County | 138 |
| Tuolumne County | 6 |
| Kern County | 3 |
| Santa Clara County | 1 |
| Tulare County | 1 |
| Kings County | 1 |
| Merced County | 1 |
Well characteristics
Across the wells Walt Bannon Drilling Inc. has drilled, the median depth is 425 ft (middle half 250 ft–605 ft), median tested yield 9 gpm, and median static water level 133 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Walt Bannon Drilling Inc., straight from the public DWR record:
"Records span 1953–2026" 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 Madera County, including Walt Bannon Drilling Inc..
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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.
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