U S Geological Survey
Recorded as the driller on 30 water wells across 16 California counties in the California Department of Water Resources (DWR) Well Completion Reports database, most in Butte County. Well-log records span 1776–2014.
Counties served
Wells drilled by U S Geological Survey, by county, across the full record.
| County | Wells drilled |
|---|---|
| Butte County | 5 |
| Imperial County | 4 |
| Stanislaus County | 4 |
| Los Angeles County | 3 |
| Tehama County | 3 |
| Riverside County | 1 |
| Ventura County | 1 |
| San Bernardino County | 1 |
| Alameda County | 1 |
| Colusa County | 1 |
| Lake County | 1 |
| Glenn County | 1 |
Show all 16 counties
| Plumas County | 1 |
| Lassen County | 1 |
| Trinity County | 1 |
| Siskiyou County | 1 |
Well characteristics
Across the wells U S Geological Survey has drilled, the median depth is 160 ft (middle half 112 ft–303 ft), median tested yield 17 gpm, and median static water level 298 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by U S Geological Survey, straight from the public DWR record:
"Records span 1776–2014" 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 Butte County, including U S Geological Survey.
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