Una, California Drillers and Service Providers

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Your go-to resource for reliable water well drillers, groundwater, and drought information in una, California. Find experts for new wells, repairs, or routine maintenance.

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

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

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Water Well Terminology

Reverse Osmosis –A water purification process that removes contaminants by using pressure to force water through a membrane.

Learn about more terms in the glossary.

Una Statistics

Geology
AquifierCentral Valley aquifer system
Rock FormationUnconsolidated sand and gravel aquifers
Well Information*
Well Depth432 (ft)
SWL164 (ft)
Bedrock Depth-- (ft)
Yield1382 (gpm)
* Average within 5km
Drought Monitor
October 27, 2026N 
October 20, 2026N 
October 13, 2026N 
October 6, 2026N 
September 29, 2026N 
September 22, 2026N 
September 15, 2026N 
September 8, 2026N 
Source: US Drought Monitor