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Class D Water License - Texas Questions with Answers
(100% Correct Answers)
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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,2
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
© 2025 All rights reserved
,3
_____ treated water bought from another source. Answer:
redistributes treated water
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)
© 2025 All rights reserved
, 4
The four national safety and quality standards for drinking water
covered in the Safe
Drinking Water Act are physical, chemical, ________ and radiological.
Answer: bacteriological
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
© 2025 All rights reserved
Class D Water License - Texas Questions with Answers
(100% Correct Answers)
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 _____
© 2025 All rights reserved
,2
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
© 2025 All rights reserved
,3
_____ treated water bought from another source. Answer:
redistributes treated water
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)
© 2025 All rights reserved
, 4
The four national safety and quality standards for drinking water
covered in the Safe
Drinking Water Act are physical, chemical, ________ and radiological.
Answer: bacteriological
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
© 2025 All rights reserved
