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CSD2-3
Frequently Asked Questions
  • What is a sewage backflow prevention device?
    A sewage backflow prevention device prevents sewage from flowing backwards from the public sewer into a home or business. A sewage backflow prevention device is required for properties that have plumbing lower than the public sewer system, as a condition for connection to the District's sewer main. If the sewage backflow prevention device has not been maintained or has been damaged or buried, sewage from the District's sewer main could flow backwards into a home or business. Call a plumber or the District if you cannot locate or are not confident that your sewage backflow prevention device is in good working condition. If you are not sure if you need a sewage backflow prevention device, call the District at 408-255-2137.

  • Who is responsible for the maintenance and repair of sewer laterals and cleanouts?
    The District provides maintenance and repair of sewer laterals within the public street provided there is an accessible and serviceable cleanout at the property line. Maintenance and repair of the private house sewer lateral, cleanout, and point-of-connection to the street lateral are the responsiblity of the property owner.

  • Why is video inspection of sewer lateral connections required for new construction and remodeling?
    Video inspection of the sewer lateral is required for new structure construction and major remodeling to verify that the sewer lateral is in good working condition. When connecting to an existing lateral, two video inspections are required: one at the beginning of construction to determine the condition of the existing lateral, and a second video inspection is required to confirm that connection of new construction to the existing lateral is in compliance with District requirements.

Contact us
email us
csd2-3.org
20863 Stevens Creek Blvd.
Suite 100
Cupertino, CA 95014
408-255-2137

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