K
D2 WATER DISTRIBUTION TEST
C
ASSESSMENTS & QUIZZES WITH
LO
CORRECT SOLUTIONS A+ GRADED
YC
D
U
ST
,What is the primary purpose of the SDWA?
To create uniform national standards for drinking water quality
Who sets Maximum Contaminants Levels (MCLs)?
USEPA
What are some of the duties of the EPA?
Sets MCLs, delegates enforcement of SDWA to state agencies, provides grant funds, monitors
K
state activities, provides continued research
C
What is state primacy?
Giving the authority to the state to implement and enforce regulations
LO
True or False: State requirements must be at least as stringent as those set by USEPA
True.
YC
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.
15, 25, 60
D
What is an nontransient, noncommunity public water system? Give an example of one.
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.
U
Example: school or factory
ST
What is a transient, noncommunity public water system? Give an example of one.
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.
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?
transient, noncommunity
What does the National Primary Drinking Water Regulations (NPDWRs) specify?
MCLs or a treatment technique requirement for contaminants that may be found in drinking
water and could have an adverse health effect on humans
K
What does the National Secondary Drinking Water Regulations (NPDWRs) specify?
water contaminants that may adversely affect aesthetic qualities of the water such as taste, odor
or color
C
When must an agency post a public notification?
LO
When the water system violates any of the operating, monitoring or reporting requirements or if
they exceed the MCL
Lead and Copper Rule (LCR)
YC
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.
true
D
True or False: Water quality cannot change after it enter the distribution system.
U
false -blending, season, operational changes
ST
What are the 4 methods of collecting samples?
Grab sample, composite sample, time composite sample, flow-proportional composite sample
What is a grab sample?
A single sample at a single location
What is a composite sample?
A series of grab samples at one place and at different times
D2 WATER DISTRIBUTION TEST
C
ASSESSMENTS & QUIZZES WITH
LO
CORRECT SOLUTIONS A+ GRADED
YC
D
U
ST
,What is the primary purpose of the SDWA?
To create uniform national standards for drinking water quality
Who sets Maximum Contaminants Levels (MCLs)?
USEPA
What are some of the duties of the EPA?
Sets MCLs, delegates enforcement of SDWA to state agencies, provides grant funds, monitors
K
state activities, provides continued research
C
What is state primacy?
Giving the authority to the state to implement and enforce regulations
LO
True or False: State requirements must be at least as stringent as those set by USEPA
True.
YC
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.
15, 25, 60
D
What is an nontransient, noncommunity public water system? Give an example of one.
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.
U
Example: school or factory
ST
What is a transient, noncommunity public water system? Give an example of one.
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.
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?
transient, noncommunity
What does the National Primary Drinking Water Regulations (NPDWRs) specify?
MCLs or a treatment technique requirement for contaminants that may be found in drinking
water and could have an adverse health effect on humans
K
What does the National Secondary Drinking Water Regulations (NPDWRs) specify?
water contaminants that may adversely affect aesthetic qualities of the water such as taste, odor
or color
C
When must an agency post a public notification?
LO
When the water system violates any of the operating, monitoring or reporting requirements or if
they exceed the MCL
Lead and Copper Rule (LCR)
YC
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.
true
D
True or False: Water quality cannot change after it enter the distribution system.
U
false -blending, season, operational changes
ST
What are the 4 methods of collecting samples?
Grab sample, composite sample, time composite sample, flow-proportional composite sample
What is a grab sample?
A single sample at a single location
What is a composite sample?
A series of grab samples at one place and at different times
