National E W P Inc.
Recorded as the driller on 431 water wells across 28 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in San Mateo County. Well-log records span 2011–2023.
Counties served
Wells drilled by National E W P Inc., by county, across the full record.
| County | Wells drilled |
|---|---|
| San Mateo County | 97 |
| Santa Clara County | 56 |
| Sacramento County | 50 |
| Los Angeles County | 44 |
| San Joaquin County | 38 |
| Contra Costa County | 28 |
| San Francisco County | 21 |
| Alameda County | 12 |
| Santa Barbara County | 12 |
| Mariposa County | 9 |
| Sonoma County | 9 |
| Kern County | 6 |
Show all 28 counties
Well characteristics
Across the wells National E W P Inc. has drilled, the median depth is 30 ft (middle half 18 ft–55 ft), median tested yield 100 gpm, and median static water level 25 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by National E W P Inc., straight from the public DWR record:
"Records span 2011–2023" 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 Mateo County, including National E W P Inc..
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