S A Andresen All Terrain Exploration
Recorded as the driller on 468 water wells across 20 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Santa Clara County. Well-log records span 1982–2002.
Counties served
Wells drilled by S A Andresen All Terrain Exploration, by county, across the full record.
| County | Wells drilled |
|---|---|
| Santa Clara County | 328 |
| Contra Costa County | 62 |
| Kern County | 16 |
| Sacramento County | 12 |
| San Bernardino County | 10 |
| Alameda County | 7 |
| San Joaquin County | 5 |
| Los Angeles County | 4 |
| Plumas County | 4 |
| Yuba County | 4 |
| Monterey County | 3 |
| Stanislaus County | 3 |
…and 8 more California counties.
Well characteristics
Across the wells S A Andresen All Terrain Exploration has drilled, the median depth is 30 ft (middle half 20 ft–55 ft), median tested yield 275 gpm, and median static water level 65 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
"Records span 1982–2002" 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.
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