Understanding Backflow Prevention
Slide1 Backflow Presentation Understanding Backflow Prevention
Slide2 How to Get Water Modern Convenience - compare person carrying water buckets to flowing faucet
Slide3 Modern Water Delivery Diagram of Modern Water Delivery path
Slide4 Connected by Water Text Slide. We are all connected by the water distribution system
Slide5 One Way Flow Water should flow from the supplier to the consumer.
Slide6 Common Pipelines Picture of dirty factory connected to pleasant neighborhood
Slide7 Common Pipes Can Contaminate Illustration of the dirty factory contaminating the pleasant neighborhood
Slide8 Undesirable Reverse Flow Text slide. Backflow is water flowing backwards with hazards.
Slide9 How Can It Flow Back Text Slide. Cross Connections allow backflow to happen
Slide10 Common and Hidden Text Slide. Cross Connections are common & often hidden
Slide11 Actual or Potential Text Slide. Actual and potential connections are hazards
Slide12 Cross Connection Examples Image of hose end chemical sprayer
Slide13 Cross Connection Examples Images of hose in clogged sink and hose in dirty rain barrel
Slide14 Backflow is a Threat Text Slide. Threats include health hazards and pollution to users of water system
Slide15 Backflow Incident 2018 in Reading, PA Text. Bacteria in well contaminates city water system
Slide16 Backflow Incident 2016, Corpus Christi, TX Text. Acid in water lines asphalt factory did not have backflow preventer
Slide17 Backflow Incident 2012, Lubbock, TX Text. Power outage reduces supply pressure allowing backflow of user water
Slide18 Backflow Incident 2011, Somerset, MA Text. Fire hydrant connection of contractor pumps chemical poison into city water
Slide19 Backflow Incident 2010, Saratoga Springs, UT Text. Homeowner cross connections cause bacteria outbreak
Slide20 Back Pressure or Back Siphonage End user pressure higher than supply equals backflow. Image of town water system.
Slide21 Backflow Possibilities in the Distribution System Diagram of back pressure and back siphonage causes in various facilities
Slide22 The Threat of Reverse Pressure Gradients Text. Gravity, pumps, and high water flow can cause reverse flow.
Slide23 Mitigate the Threat Diagram of backflow protection located to prevent reverse flow from plumbing hazards
Slide24 Mitigate the Threat Text. Backflow protection works to mitigate the threat.
Slide25 Backflow Prevention Helps Clean Water Stay Safe Illustration of backflow preventer protecting water main from chemicals and pollution
Slide26 We Protect Each Other and Ourselves Text. Protect the community, protect our homes.
Slide27 Plan to Protect Text. Work with Water District, plan for expense, survey your home.
Slide28 Protect Before You Spray Image of hose end chemical sprayer recommending a hose bibb vacuum breaker
Slide29 Summary Text. Summary Points. Backflow is a threat that we all can work to overcome.
Slide30 Contact Information Text. Contact Pacific Backflow for excellent service!