Exam Distribution System Exam
Questions With 100% Accurate Answers
The SDWA defines a public water system that supplies piped water for human
consumption as on that has:
10 services connections or serves 20 or more people for 60 or more days per year
15 service connections or serves 20 or more people for 90 or more days per year
15 service connections or serves 25 or more people for 60 or more days per year -
CORRECT ANSWER-15 service connections or serves 25 or more people for 60 or
more days per year
What US agency establishes drinking water standards?
AWWA
USEPA
NIOSH
NSF - CORRECT ANSWER-USEPA
According to the USEPA regulations, the owner or operator of a public water system
that fails to comply with applicable monitoring requirements must give notice to the
public within [Title 40 CFR 141]:
,1 week of the violation in a letter hand delivered to customers
45 days of the violation by posting a notice at the town hall
3 months of the violation in a daily newspaper in the area served by the system
1 year of the violation by including a letter with the water bill - CORRECT ANSWER-3
months of the violation in a daily newspaper in the area served by the system
The national primary drinking water regulations apply to drinking water contaminants
that may have adverse effects on:
Water color
Water taste
Water odor
Human health - CORRECT ANSWER-Human health
Which of the following is considered an acute risk to health [Title 40 CFR 141] ?
Two Tier 2 violations
One tier 2 violations
,Two tier 1 violations
One tier 1 violations - CORRECT ANSWER-Two tier 1 violations
What is the difference between a primary standard and a secondary standard?
Primary standards refer to substances that are carcinogenic, secondary standards to
not
Primary standards refer to substances that are thought to pose a threat to human
health, secondary standards do not
Primary standards refer to substances that, if not put in check, will eventually kill
humans, secondary standards do not
Secondary qualities are aesthetic qualities and will only make some people sick, while
primary standards refer to substances that will make everyone sick and may possibly
cause death - CORRECT ANSWER-Primary standards refer to substances that are
thought to pose a threat to human health, secondary standards do not
How must water systems serving a population over 10,000 distribute the consumer
confidence report?
Television announcement
Radio announcement
, Public meeting
Mail - CORRECT ANSWER-Mail
Which of the following mandates the language and methods for public notification?
American water works association
National rural water association
US Environmental Protection Agency
California State University - CORRECT ANSWER-US Environmental Protection Agency
Which of the following analytical tests is the most important?
Coliform bacteria
Iron
Manganese
Hardness - CORRECT ANSWER-Coliform bacteria
According to the surface water treatment rule, water systems serving a population
greater than 500 persons must sampled the filtered water for turbidity every
Questions With 100% Accurate Answers
The SDWA defines a public water system that supplies piped water for human
consumption as on that has:
10 services connections or serves 20 or more people for 60 or more days per year
15 service connections or serves 20 or more people for 90 or more days per year
15 service connections or serves 25 or more people for 60 or more days per year -
CORRECT ANSWER-15 service connections or serves 25 or more people for 60 or
more days per year
What US agency establishes drinking water standards?
AWWA
USEPA
NIOSH
NSF - CORRECT ANSWER-USEPA
According to the USEPA regulations, the owner or operator of a public water system
that fails to comply with applicable monitoring requirements must give notice to the
public within [Title 40 CFR 141]:
,1 week of the violation in a letter hand delivered to customers
45 days of the violation by posting a notice at the town hall
3 months of the violation in a daily newspaper in the area served by the system
1 year of the violation by including a letter with the water bill - CORRECT ANSWER-3
months of the violation in a daily newspaper in the area served by the system
The national primary drinking water regulations apply to drinking water contaminants
that may have adverse effects on:
Water color
Water taste
Water odor
Human health - CORRECT ANSWER-Human health
Which of the following is considered an acute risk to health [Title 40 CFR 141] ?
Two Tier 2 violations
One tier 2 violations
,Two tier 1 violations
One tier 1 violations - CORRECT ANSWER-Two tier 1 violations
What is the difference between a primary standard and a secondary standard?
Primary standards refer to substances that are carcinogenic, secondary standards to
not
Primary standards refer to substances that are thought to pose a threat to human
health, secondary standards do not
Primary standards refer to substances that, if not put in check, will eventually kill
humans, secondary standards do not
Secondary qualities are aesthetic qualities and will only make some people sick, while
primary standards refer to substances that will make everyone sick and may possibly
cause death - CORRECT ANSWER-Primary standards refer to substances that are
thought to pose a threat to human health, secondary standards do not
How must water systems serving a population over 10,000 distribute the consumer
confidence report?
Television announcement
Radio announcement
, Public meeting
Mail - CORRECT ANSWER-Mail
Which of the following mandates the language and methods for public notification?
American water works association
National rural water association
US Environmental Protection Agency
California State University - CORRECT ANSWER-US Environmental Protection Agency
Which of the following analytical tests is the most important?
Coliform bacteria
Iron
Manganese
Hardness - CORRECT ANSWER-Coliform bacteria
According to the surface water treatment rule, water systems serving a population
greater than 500 persons must sampled the filtered water for turbidity every
