Mill Valley, California Drillers and Service Providers

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Find top water well drillers, groundwater, and drought information in mill valley, California. For new installations, repairs, or regular maintenance, trust our listings.

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

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

Water Well Professionals in Mill Valley, California – Water Well Drilling, Service, and Treatment

Water Well Drilling & Pump Services

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Water Well Terminology

Water SoftenerA device that removes minerals, such as calcium and magnesium, from water to prevent scaling.

Learn about more terms in the glossary.

Mill Valley Statistics

Geology
AquifierOther rocks
Rock FormationUnknown
Well Information*
Well Depth104 (ft)
SWL36 (ft)
Bedrock Depth-- (ft)
Yield16 (gpm)
* Average within 5km
Drought Monitor
March 25, 2025N 
March 18, 2025N 
March 11, 2025N 
March 4, 2025N 
February 25, 2025N 
February 18, 2025N 
February 11, 2025N 
February 4, 2025N