Onyx, California Drillers and Service Providers

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Discover expert water well drillers, groundwater, and drought information in onyx, California. For new installations, repairs, or regular maintenance, connect with trusted professionals.

Interactive Water Well Map – Estimate your new well's depth

Visit the Onyx Water Well Map to view the water, irrigation, and geothermal wells.

Water Well Professionals in Onyx, California – Water Well Drilling, Service, and Treatment

Piute Pump Co
1601 Oldfield Rd
Berrys Water Well Service
733 W Perdew Ave
Garrison Brothers Well Service
1621 N Jacobs Dr

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Water Well Terminology

Test HoleA small-diameter hole drilled to obtain information about subsurface conditions.

Learn about more terms in the glossary.

Onyx Statistics

Geology
AquifierOther rocks
Rock FormationUnknown
Well Information*
Well Depth221 (ft)
SWL81 (ft)
Bedrock Depth-- (ft)
Yield74 (gpm)
* Average within 5km
Drought Monitor
July 8, 2025D0 
July 1, 2025D0 
June 24, 2025D0 
June 17, 2025D0 
June 10, 2025D0 
June 3, 2025D0 
May 27, 2025D0 
May 20, 2025D0