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To keep your drinking water safe, the City’s Cross-Connection specialist diligently checks the plans of each new business for compliance with cross-connection/backflow requirements. When a property is renovated, a backflow assembly may be required. Per the City’s Municipal Code, each unit must be tested annually at the expense of the owner.
A cross-connection is any connection between your drinking water and any other source of water that combines the two when a backflow condition occurs; typically resulting in contamination of the water system.
Backflow occurs when the water in your pipes (after the water meter, in your building/facility) goes backward (opposite its normal direction). There are two situations that can cause the water to go backward (backflow):
All backflow prevention assemblies are to be tested annually at the owner’s expense (Ceres Municipal Code 6.16 and California Health and Safety Code 116800-116820). If you would like to view a list of certified testers, download our Certified Tester List (PDF).