Calwater Drilling Company Inc.
Recorded as the driller on 5,429 water wells across 13 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Stanislaus County. Well-log records span 1976–2026.
Counties served
Wells drilled by Calwater Drilling Company Inc., by county, across the full record.
| County | Wells drilled |
|---|---|
| Stanislaus County | 2,299 |
| Merced County | 1,833 |
| San Joaquin County | 1,154 |
| Alameda County | 43 |
| Contra Costa County | 41 |
| Mariposa County | 22 |
| Sacramento County | 15 |
| Madera County | 12 |
| Solano County | 3 |
| Santa Clara County | 2 |
| Calaveras County | 2 |
| Fresno County | 1 |
Show all 13 counties
| Tulare County | 1 |
Well characteristics
Across the wells Calwater Drilling Company Inc. has drilled, the median depth is 240 ft (middle half 160 ft–320 ft), median tested yield 300 gpm, and median static water level 48 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Calwater Drilling Company Inc., straight from the public DWR record:
"Records span 1976–2026" 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 Stanislaus County, including Calwater Drilling Company Inc..
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