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Waste Water Treatment
700 Coast Highway
Pacifica, CA 94044
Phone: 650-738-4660
Fax: 650-355-7256

Water Collection FAQs


How do I prevent sewer backing up from a main sewer to my hillside home?
All homes located on hills are subject to flooding if the sewer line in the street plugs below the house and above the down stream manhole. Due to the hilly terrain in Pacifica, we have many homes in this condition. Generally the homes at the bottom of the hills are the most vulnerable because the plugs are most likely to occur in the area where the sewer main levels out. We recommend removing your building clean-out cap (not the concrete cover of clean-out box) for emergency overflow purpose.

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