Larkspur, California Drillers and Service Providers

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Welcome to your resource for finding expert water well drillers, groundwater, and drought information in larkspur, California. Whether you need a new well, repair services, or routine upkeep, find professionals here.

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

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

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

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Water Well Terminology

Foot Valve –A valve at the bottom of a well pipe that prevents backflow and keeps the pump primed.

Learn about more terms in the glossary.

Larkspur Statistics

Geology
AquifierOther rocks
Rock FormationUnknown
Well Information*
Well Depth103 (ft)
SWL36 (ft)
Bedrock Depth-- (ft)
Yield18 (gpm)
* Average within 5km
Drought Monitor
October 13, 2026N 
October 6, 2026N 
September 29, 2026N 
September 22, 2026N 
September 15, 2026N 
September 8, 2026N 
September 1, 2026N 
August 25, 2026N 
Source: US Drought Monitor