Union City, California Drillers and Service Providers

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Locate expert water well drillers, groundwater, and drought information in union city, California. Whether you're installing, repairing, or maintaining a well, find trusted professionals in our listings.

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

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

Water Well Professionals in Union City, California – Water Well Drilling, Service, and Treatment

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Water Well Terminology

Borehole Camera –A camera used to inspect the inside of a borehole or well.

Learn about more terms in the glossary.

Union City Statistics

Geology
AquifierCalifornia Coastal Basin aquifers
Rock FormationUnconsolidated sand and gravel aquifers
Well Information*
Well Depth72 (ft)
SWL34 (ft)
Bedrock Depth-- (ft)
Yield371 (gpm)
* Average within 5km
Drought Monitor
November 10, 2026N 
November 3, 2026N 
October 27, 2026N 
October 20, 2026N 
October 13, 2026N 
October 6, 2026N 
September 29, 2026N 
September 22, 2026N 
Source: US Drought Monitor