Coastside County Water District

Welcome to Coastside County Water District

Our mission is to develop and provide our customers with high quality water and service at the lowest possible price, in accordance with the following values:

  • Reliability and sustainability of system facilities
  • Timeliness of District policies, procedures, actions and decisions
  • 50-year outlook when replacing infrastructure
  • Legality of all District actions and behaviors
  • Culture of openness, fairness and inclusiveness

Coastside County Water District is proud of the safe, high level of quality drinking water and service we provide to our customers located in the City of Half Moon Bay and the unincorporated coastal communities of El Granada, Miramar and Princeton-By-The-Sea, located in San Mateo County.

Water Supply Conditions: Warning - Water Shortage Emergency. Outdoor water use restrictions are in effect within Coastside County Water District's service area. Please go to the Water Use Restrictions page for more information. To report water waste or to ask questions regarding the water use restrictions, please call the District's drought hotline at (650) 560-8675 and leave a message. If you notice a water leak in the street or meter box, please call the District's main phone number at (650) 726-4405.


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Free Showerheads and Faucet Aerators

low flow showerheadThe Coastside County Water District offers FREE high quality, water-efficient showerheads and faucet aerators for your home or business! Get yours today.