Definitions & Theory (Chapters 1-3) Flashcards
Any publicly or privately owned water system operated as a public utility under a valid health/operating permit to supply water for domestic purposes.
Public Water System
Any public potable water supply which has been investigated and approved by the health agency.
Approved Water Supply
Water after it passes through the service connection and is no longer under the control of the purveyor.
Used Water
The owner or owner’s representative of an on-site water system(s) having a service from a public potable water system.
Consumer
Any water supply on or available to the premises, other than the water purveyor’s approved public potable water supply.
Auxiliary Water Supply
The undesirable reversal flow of water.
Backflow
Method of protection against backflow at point of the change of jurisdiction over water.
Containment Protection
A substance that could cause illness or death if back flowed into a drinking water system.
Contaminant
A plumbing device or assembly approved for backflow prevention.
Backflow Preventer
It is known as a ________ when a non-potable substance is back flowed into a drinking water system.
Backflow incident
Water pressure that is less than the surrounding atmosphere?
Sub-atmospheric pressure
A reversal flow of water due to sub-atmospheric water pressure?
Back siphonage
Any actual or potential connection between the public water system or the consumer’s water system and any other source or auxiliary supply through which it is possible to introduce any unknown substance
Cross connection
Define a reversal of flow caused by any increase of pressure in the downstream piping.
Backpressure
What substances are categorized as a contaminants?
Waterborne pathogens, Wastewater, Boiler compounds, Dishwasher Detergent, Battery acid, Herbicides, Nitrate lawn fertilizer, Degreaser cleaning product