1|Page
TEXAS WASTEWATER CLASS D EXAM 2026 | ALL
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) | LATEST VERSION | ALREADY GRADED
A+
Operators have a responsibility to provide drinking water that meets
federal and state
standards. (true/false) - ANSWER -true
Water must be disinfected, delivered at inadequate pressure, and be
ample in quantity. (true/false) - ANSWER -false (adequate pressure)
Utility employees should guard the water supply and facilities from
contamination, public
tours, and even terrorism. (true/false) - ANSWER -false (public tours)
The state requires bacteriological sample results be kept _____ years. -
ANSWER -5 years
The state requires chemical analysis be kept at least _____ years. -
ANSWER -10 years
EPA requires a water system to keep a copy of each consumer
confidence report at least _____
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years. - ANSWER -5 years
A public water system provides the public with piped water for human
consumption, serves
at least _____ service connections, and regularly serves at least _____
individuals daily at least _____
days out of the year. - ANSWER -15 service connections
25 individuals
60 days out of the year
The water utility field affects everyone because _____. - ANSWER -
water is essential to life and health
The water utility employee should remember customers are entitled to
_____ and _____. - ANSWER -courteous treatment and answers to
questions about water
In Texas, water operator licensing is administered by the _____. -
ANSWER -TCEQ
All public water systems are required to employ licensed operators even
if the system only
_____ treated water bought from another source. - ANSWER -
redistributes treated water
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Public water systems include cities, municipal utility districts, rural
water supply
corporations, mobile home parks, and _____. - ANSWER -campgrounds
Examples of community water systems include ________.
a. municipalities
b. municipal utility districts
c. rural water supply corporations
d. mobile home parks
e. all the above - ANSWER -e. all of the above
A federal agency impacting the water utility industry is the _____. -
ANSWER -EPA
The most important federal law impacting the water utility industry is
the _____. - ANSWER -Safe Drinking Water Act (PL93-523)
The four national safety and quality standards for drinking water
covered in the Safe
Drinking Water Act are physical, chemical, ________ and radiological. -
ANSWER -bacteriological
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The state agency that regulates drinking water in Texas and administers
the federal Safe
Drinking Water Act is the ________. - ANSWER -TCEQ
Water utility system personnel are required to notify the TCEQ of
changes or alterations of
the system, a new facility to be built, and water supply ________. -
ANSWER -health hazards
Some regional and local agencies impacting the water utility industry
are municipal utility
districts, rural water supply corporations, drainage districts, ________,
groundwater
conservation districts, and subsidence districts. - ANSWER -river
authorities
Public relations (PR) is the relationship between YOU, the water utility
employee, and the _____. - ANSWER -customer
The keys to good customer relations are (1) everything the utility does is
PR, (2) customers
are entitled to courteous treatment, (3) every employee is a PR person.
(true/false) - ANSWER -true
TEXAS WASTEWATER CLASS D EXAM 2026 | ALL
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) | LATEST VERSION | ALREADY GRADED
A+
Operators have a responsibility to provide drinking water that meets
federal and state
standards. (true/false) - ANSWER -true
Water must be disinfected, delivered at inadequate pressure, and be
ample in quantity. (true/false) - ANSWER -false (adequate pressure)
Utility employees should guard the water supply and facilities from
contamination, public
tours, and even terrorism. (true/false) - ANSWER -false (public tours)
The state requires bacteriological sample results be kept _____ years. -
ANSWER -5 years
The state requires chemical analysis be kept at least _____ years. -
ANSWER -10 years
EPA requires a water system to keep a copy of each consumer
confidence report at least _____
,2|Page
years. - ANSWER -5 years
A public water system provides the public with piped water for human
consumption, serves
at least _____ service connections, and regularly serves at least _____
individuals daily at least _____
days out of the year. - ANSWER -15 service connections
25 individuals
60 days out of the year
The water utility field affects everyone because _____. - ANSWER -
water is essential to life and health
The water utility employee should remember customers are entitled to
_____ and _____. - ANSWER -courteous treatment and answers to
questions about water
In Texas, water operator licensing is administered by the _____. -
ANSWER -TCEQ
All public water systems are required to employ licensed operators even
if the system only
_____ treated water bought from another source. - ANSWER -
redistributes treated water
,3|Page
Public water systems include cities, municipal utility districts, rural
water supply
corporations, mobile home parks, and _____. - ANSWER -campgrounds
Examples of community water systems include ________.
a. municipalities
b. municipal utility districts
c. rural water supply corporations
d. mobile home parks
e. all the above - ANSWER -e. all of the above
A federal agency impacting the water utility industry is the _____. -
ANSWER -EPA
The most important federal law impacting the water utility industry is
the _____. - ANSWER -Safe Drinking Water Act (PL93-523)
The four national safety and quality standards for drinking water
covered in the Safe
Drinking Water Act are physical, chemical, ________ and radiological. -
ANSWER -bacteriological
, 4|Page
The state agency that regulates drinking water in Texas and administers
the federal Safe
Drinking Water Act is the ________. - ANSWER -TCEQ
Water utility system personnel are required to notify the TCEQ of
changes or alterations of
the system, a new facility to be built, and water supply ________. -
ANSWER -health hazards
Some regional and local agencies impacting the water utility industry
are municipal utility
districts, rural water supply corporations, drainage districts, ________,
groundwater
conservation districts, and subsidence districts. - ANSWER -river
authorities
Public relations (PR) is the relationship between YOU, the water utility
employee, and the _____. - ANSWER -customer
The keys to good customer relations are (1) everything the utility does is
PR, (2) customers
are entitled to courteous treatment, (3) every employee is a PR person.
(true/false) - ANSWER -true
