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The City of Milpitas is committed to protecting the public water distribution
system from contamination or pollution due to the backflow or back-siphonage of
water service connections. Milpitas implements and enforces a backflow
prevention and cross-connection control program as required by City Municipal
Code (Title 17, Chapter V of California Code of regulations relating to
Cross-Connection).
The public water distribution system is protected by the control of actual or
potential cross-connections through two basic programs:
- By promoting the elimination of existing or future cross-connections
through inspection and regulation of plumbing and water piping within a
customer’s premises, Public Water System or between them.
- Through proper installation and maintenance of backflow preventers on
services to premises where actual or potential cross-connections exist to
prevent backflow or back siphonage of contaminants or pollutants from the
customer’s premises into the Public Water System.
The City of Milpitas maintains a list of approved backflow devices which is
available upon request
The state of California requires backflow devices be tested for proper
operation annually. Milpitas notifies owners of testing requirements each year;
a list of certified testers acceptable to the state is included with the notice.
Failure to correct any deficiencies and demonstrate passing results is cause for
a potential cross-connections and may result in termination of water services.
Contact Paramjit Uppal at (408) 586-3351 or the Utility Engineering Section
at (408) 586-3345 if there are questions on the program.
Sewage Backflow Prevention Program
A new program is available to Milpitas residents to obtain free sewage backflow prevention devices. This device is placed on top of the clean-out, and has a valve which closes if sewage begins to backup. Free devices can be obtained from Association of Bay Area Governments (ABAG), by contacting them through their website, www.sewersmart.org. Devices can be installed by the resident or residents can hire a licensed plumber to install this device at his own expense. You may also call City staff at 586-3351 for more information.
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