101.1 Backflow Prevention Management Glossary of Terms
There are currently 17 names in this directory
Back Siphonage
Negative pressure- water is pushed back into the supply system by atmospheric pressure (14.7>sia) (pounds per square inch absolute or zero gauge pressure- at sea level)
Backflow
• A reversal of the normal direction of flow
• Back Pressure- Customer side has greater pressure than the supply side
• Back Pressure- Customer side has greater pressure than the supply side
Consumer’s Responsibilities
• Prevent contaminates from entering water
• Maintain quality of water in facility
• Follow local plumbing codes
• Other duties assigned by water purveyor
• Mitigation of backflow incidents
• Maintain quality of water in facility
• Follow local plumbing codes
• Other duties assigned by water purveyor
• Mitigation of backflow incidents
Contractors, Plumbers, Testers
• Comply with plumbing codes
• Comply with local ordinances
• Installation, maintenance, & repairs of backflow prevention assemblies
• Comply with local ordinances
• Installation, maintenance, & repairs of backflow prevention assemblies
Federal Law
• SDWA (Safe Drinking Water Act) Federal Mandate 1974
• Set maximum contaminate level
• Recommended backflow prevention
• Set maximum contaminate level
• Recommended backflow prevention
Individual Responsibilities
• Water Purveyors
• Consumer
• Regulatory Officials
• Consulting Engineers
• Contractors, Plumbers, Testers Water/Wastewater Reuse Personnel
• Consumer
• Regulatory Officials
• Consulting Engineers
• Contractors, Plumbers, Testers Water/Wastewater Reuse Personnel
Maximum Contaminate Levels
• Measured at the customer’s tap
• Plumbing not controlled by the water purveyor
• Courts rule warrant required for entry
• SDWA modified to reflect above
• Plumbing not controlled by the water purveyor
• Courts rule warrant required for entry
• SDWA modified to reflect above
Non-Potable Source
Any liquid, gas or other substance that can be diluted, dissolved suspended or mixed in water that adversely affects the quality of the water
Plumbing Codes
• The uniform plumbing code
• Standard Plumbing Code (Southern Standard)
• Boca National Plumbing Code
• National Plumbing Code
• National Standard Plumbing Code
• Standard Plumbing Code (Southern Standard)
• Boca National Plumbing Code
• National Plumbing Code
• National Standard Plumbing Code
Regulator Officials
• Promulgation & enforcement of regulations
• State- EPA
• Health department
• Plumbing inspectors
• State- EPA
• Health department
• Plumbing inspectors
Responsibilities & Liabilities
• Define warranty
• Implied warranty
• Breach of warranty
• Not automatic with law violation
• Compliance with law does not eliminate liability
• AWWA policy statement
• Implied warranty
• Breach of warranty
• Not automatic with law violation
• Compliance with law does not eliminate liability
• AWWA policy statement


