D2 WATER DISTRIBUTION TEST | COMPLETE QUESTIONS
AND CORRECT ANSWERS | GRADED A+ | VERIFIED
ANSWERS | BRAND NEW VERSION!
What is the primary purpose of the SWDA? Correct Answers To create
uniform national standards for drinking water quality
Who sets Maximum Contaminants Levels (MCLs)? Correct Answers
USEPA
What are some of the duties of the EPA? Correct Answers Sets MCLs,
delegates enforcement of SDWA to state agencies, provides grant funds,
monitors state activities, provides continued research
What is state primacy? Correct Answers Giving the authority to the state
to implement and enforce regulations
True or False: State requirements must be at least as stringent as those
set by USEPA Correct Answers True.
A public water system is a system that supplies piped water for human
consumption and that has at least ___ service connections or serves ___
or more persons for ___ or more days of the year. Correct Answers 15,
25, 60
What is an nontransient, noncommunity public water system? Give an
example of one. Correct Answers Establishments with their own private
water systems that serve an average of 25 persons that do not live at the
,location, but the same people use the water for more than 6 months per
year. Example: school or factory
What is a transient, noncommunity public water system? Give an
example of one. Correct Answers Establishments with own water system
and serve at least 25 persons a day but these people only use the water
occasionally and for short periods of time. Example: Motel or Park
What is a community public water system? Give an example of one.
Correct Answers Establishments with their own water supply that serve
more than 15 homes. Example: HOA, or municipal water utilities
Which of the public water systems are required to only monitor for
nitrate, nitrite, and microbiological contamination? Correct Answers
transient, noncommunity
What does the National Primary Drinking Water Regulations
(NPDWRs) specify? Correct Answers MCLs or a treatment technique
requirement for contaminants that may be found in drinking water and
could have an adverse health effect on humans
What does the National Secondary Drinking Water Regulations
(NPDWRs) specify? Correct Answers water contaminants that may
adversely affect aesthetic qualities of the water such as taste, odor or
color
, When must an agency post a public notification? Correct Answers When
the water system violates any of the operating, monitoring or reporting
requirements or if they exceed the MCL
Lead and Copper Rule (LCR) Correct Answers Requires that samples be
collected at customers taps after the water has remained undisturbed in
the water piping for at least 6 hrs
True or False: system operators are required to regularly collect and test
water samples. Correct Answers true
True or False: Water quality cannot change after it enter the distribution
system. Correct Answers false -blending, season, operational changes
What are the 4 methods of collecting samples? Correct Answers Grab
sample, composite sample, time composite sample, flow-proportional
composite sample
What is a grab sample? Correct Answers A single sample at a single
location
What is a composite sample? Correct Answers A series of grab samples
at one place and at different times
What is a time composite sample? Correct Answers Equal volumes at
regular intervals
AND CORRECT ANSWERS | GRADED A+ | VERIFIED
ANSWERS | BRAND NEW VERSION!
What is the primary purpose of the SWDA? Correct Answers To create
uniform national standards for drinking water quality
Who sets Maximum Contaminants Levels (MCLs)? Correct Answers
USEPA
What are some of the duties of the EPA? Correct Answers Sets MCLs,
delegates enforcement of SDWA to state agencies, provides grant funds,
monitors state activities, provides continued research
What is state primacy? Correct Answers Giving the authority to the state
to implement and enforce regulations
True or False: State requirements must be at least as stringent as those
set by USEPA Correct Answers True.
A public water system is a system that supplies piped water for human
consumption and that has at least ___ service connections or serves ___
or more persons for ___ or more days of the year. Correct Answers 15,
25, 60
What is an nontransient, noncommunity public water system? Give an
example of one. Correct Answers Establishments with their own private
water systems that serve an average of 25 persons that do not live at the
,location, but the same people use the water for more than 6 months per
year. Example: school or factory
What is a transient, noncommunity public water system? Give an
example of one. Correct Answers Establishments with own water system
and serve at least 25 persons a day but these people only use the water
occasionally and for short periods of time. Example: Motel or Park
What is a community public water system? Give an example of one.
Correct Answers Establishments with their own water supply that serve
more than 15 homes. Example: HOA, or municipal water utilities
Which of the public water systems are required to only monitor for
nitrate, nitrite, and microbiological contamination? Correct Answers
transient, noncommunity
What does the National Primary Drinking Water Regulations
(NPDWRs) specify? Correct Answers MCLs or a treatment technique
requirement for contaminants that may be found in drinking water and
could have an adverse health effect on humans
What does the National Secondary Drinking Water Regulations
(NPDWRs) specify? Correct Answers water contaminants that may
adversely affect aesthetic qualities of the water such as taste, odor or
color
, When must an agency post a public notification? Correct Answers When
the water system violates any of the operating, monitoring or reporting
requirements or if they exceed the MCL
Lead and Copper Rule (LCR) Correct Answers Requires that samples be
collected at customers taps after the water has remained undisturbed in
the water piping for at least 6 hrs
True or False: system operators are required to regularly collect and test
water samples. Correct Answers true
True or False: Water quality cannot change after it enter the distribution
system. Correct Answers false -blending, season, operational changes
What are the 4 methods of collecting samples? Correct Answers Grab
sample, composite sample, time composite sample, flow-proportional
composite sample
What is a grab sample? Correct Answers A single sample at a single
location
What is a composite sample? Correct Answers A series of grab samples
at one place and at different times
What is a time composite sample? Correct Answers Equal volumes at
regular intervals
