AND 100% CORRECT WELL DETAILED
ANSWERS|LATEST
UPDATE!!!!2025/2026|GUARANTEED
Backflow - ANSWER anything that causes the water to flow in the opposite direction;
the reversal of the normal direction of flow.
When does backflow occur? - ANSWER whenever the pressure from the customer
becomes greater than the pressure in the public water distribution system.
Backsiphonage - ANSWER backflow that occurs whenever a cross-connection exists
and a negative or reduced pressure is generated in the public water supply.
Cross-connection - ANSWER an actual or potential connection between a potable
water supply and any non-potable substance or source.
Potable water - ANSWER water that is chemically, biologically and radiologically safe
and is aesthetically pleasing.
Non-potable water - ANSWER any liquid, gas or other substance that can be diluted,
dissolved, suspended or mixed in water that adversely affects the quality of water
Examples of non-potable water - ANSWER industrial water, well water and irrigation
water
1
,Air gap - ANSWER the unobstructed vertical distance through the free atmosphere
between the lowest opening from any opening or faucet supplying water to a tank, plumbing
fixture, or other device and the flood level of the receiving vessel.
Contaminant - ANSWER any substance that when introduced into water can adversely
affect human health.
Pollutant - ANSWER any substance that when introduced into the water does not
adversely affect human health but does affect the aesthetic quality of the water.
Containment program - ANSWER refers to placing of a backflow preventer just
downstream of the water meter thereby containing any contamination that may occur
within a plumbing system to that system and preventing the contamination from spreading
to the water distribution piping.
Isolation program - ANSWER refers to placing a backflow assembly at the point of use
within the customer's plumbing system.
American Water Works Association (AWWA) - ANSWER recognizes that the water
purveyor has the responsibility to provide customers at the service connection with water
that is safe under all foreseeable circumstances.
Who has the primary responsibility to prevent backflow? - ANSWER Water purveyor
Where does the customer's responsibility begin? - ANSWER at the point of delivery
from the public water system and includes all of his/her plumbing system.
Texas Commission on Environmental Quality (TCEQ) - ANSWER responsible for
promulgating and enforcing laws, rules, regulations and policies to be followed for an
effective cross-connection control program.
2
, Arkansas Department of Health Engineering Section - ANSWER responsibility for
promulgating and enforcing laws, rules, and policies to be followed for an effective cross-
connection control program.
Arkansas Department of Health Plumbing and Natural Gas - ANSWER responsible for
promulgating and enforcing laws, rules, regulations and policies to be followed for
preventing backflow within and from plumbing systems.
Examples of biological contaminants - ANSWER bacteria, viruises, protozoan's and
algae
Examples of chemical contaminants - ANSWER mercury, arsenic and lead
Define inorganic compounds - ANSWER metals or other compounds that do not
contain carbon
University of Southern California Foundation for Cross-Connection Control & Hydraulic
Research (USC FCCC & HR) sets what standards? - ANSWER list of approved
assemblies; conducts extensive lab test and field trials
American Water Works Association (AWWA) sets what standards? -
ANSWER Inspections
American Society of Sanitary Engineering (ASSE) sets what standards? -
ANSWER testing and repair certifications; lab analysis, certifications
American National Standards Institute (ANSI) sets what standards? - ANSWER national
standards
Guidelines for approved assemblies - ANSWER shipped from manufacture as one unit
3
ANSWERS|LATEST
UPDATE!!!!2025/2026|GUARANTEED
Backflow - ANSWER anything that causes the water to flow in the opposite direction;
the reversal of the normal direction of flow.
When does backflow occur? - ANSWER whenever the pressure from the customer
becomes greater than the pressure in the public water distribution system.
Backsiphonage - ANSWER backflow that occurs whenever a cross-connection exists
and a negative or reduced pressure is generated in the public water supply.
Cross-connection - ANSWER an actual or potential connection between a potable
water supply and any non-potable substance or source.
Potable water - ANSWER water that is chemically, biologically and radiologically safe
and is aesthetically pleasing.
Non-potable water - ANSWER any liquid, gas or other substance that can be diluted,
dissolved, suspended or mixed in water that adversely affects the quality of water
Examples of non-potable water - ANSWER industrial water, well water and irrigation
water
1
,Air gap - ANSWER the unobstructed vertical distance through the free atmosphere
between the lowest opening from any opening or faucet supplying water to a tank, plumbing
fixture, or other device and the flood level of the receiving vessel.
Contaminant - ANSWER any substance that when introduced into water can adversely
affect human health.
Pollutant - ANSWER any substance that when introduced into the water does not
adversely affect human health but does affect the aesthetic quality of the water.
Containment program - ANSWER refers to placing of a backflow preventer just
downstream of the water meter thereby containing any contamination that may occur
within a plumbing system to that system and preventing the contamination from spreading
to the water distribution piping.
Isolation program - ANSWER refers to placing a backflow assembly at the point of use
within the customer's plumbing system.
American Water Works Association (AWWA) - ANSWER recognizes that the water
purveyor has the responsibility to provide customers at the service connection with water
that is safe under all foreseeable circumstances.
Who has the primary responsibility to prevent backflow? - ANSWER Water purveyor
Where does the customer's responsibility begin? - ANSWER at the point of delivery
from the public water system and includes all of his/her plumbing system.
Texas Commission on Environmental Quality (TCEQ) - ANSWER responsible for
promulgating and enforcing laws, rules, regulations and policies to be followed for an
effective cross-connection control program.
2
, Arkansas Department of Health Engineering Section - ANSWER responsibility for
promulgating and enforcing laws, rules, and policies to be followed for an effective cross-
connection control program.
Arkansas Department of Health Plumbing and Natural Gas - ANSWER responsible for
promulgating and enforcing laws, rules, regulations and policies to be followed for
preventing backflow within and from plumbing systems.
Examples of biological contaminants - ANSWER bacteria, viruises, protozoan's and
algae
Examples of chemical contaminants - ANSWER mercury, arsenic and lead
Define inorganic compounds - ANSWER metals or other compounds that do not
contain carbon
University of Southern California Foundation for Cross-Connection Control & Hydraulic
Research (USC FCCC & HR) sets what standards? - ANSWER list of approved
assemblies; conducts extensive lab test and field trials
American Water Works Association (AWWA) sets what standards? -
ANSWER Inspections
American Society of Sanitary Engineering (ASSE) sets what standards? -
ANSWER testing and repair certifications; lab analysis, certifications
American National Standards Institute (ANSI) sets what standards? - ANSWER national
standards
Guidelines for approved assemblies - ANSWER shipped from manufacture as one unit
3
