Backflow Testing

What is Backflow?

What is backflow prevention?
Backflow prevention is the term used to refer to the prevention of an unwanted, reverse flow of water from a potentially polluted source back into the drinking water supply.

When does backflow occur?
Backflow occurs because a condition exists in a water supply system that will cause back-siphonage or back-pressure. Back-siphonage can occur on a property through a vacuum created in the water supply system.

An example of back-siphonage would be a pipeline breakage, can occur within properties when high pressure is generated downstream by pumps, thermal expansion or elevation.
Backflow prevention starts within a property boundary by isolating a possible contamination source from the town mains or storage tanks (rainwater tanks) from the tap or appliance.

What is the safeguard to prevent a backflow occurrence?
A correctly selected backflow prevention device (one way valve) will eliminate any risk of contamination of the drinking water supply. Backflow devices are either testable or non-testable types with the selection dependent on the risk associated with the possible contamination.

Example of potential source of contamination:

• Fire Hose Reels (FHR)
• Irrigation
• Swimming pools
• Vehicle maintenance pits
• Ornamental ponds
• Air Conditioning Towers
• Vehicle/bin washing bays
• Chemical injection areas

Examples of properties requiring backflow prevention:

• Motels
• Hotels
• Vehicle repair workshops
• Shops
• Restaurants
• RV Parks
• Medical and dental surgeries
• Car and plant washing facilities
• Dry cleaners and laundries
• Hospitals and funeral homes
• Club houses for sports
• Schools
• Day care center and kindergartens
• Botanic gardens

Pipe Pros Plumbing, Inc. provides quality commercial and industrial plumbing services throughout Northern and Southern California. With over 28 years of background experience in the plumbing industry, clients can be assured that Pipe Pros Plumbing, Inc. will meet project deadlines and produce superior results on every plumbing project.