TCEQ CLASS D WATER OPERATOR LICENSE EXAM
WITH 260+ QUESTIONS & CORRECT ANSWERS
LATEST 2025
T/F: Operators have a responsibility to provide drinking water that meets Federal
and State Standards - ANSWER-True
T/F: Water must be disinfected, delivered at inadequate pressure and be ample in
quantity - ANSWER-False (True if adequate instead of inadequate)
T/F: Utility employees should guard the water supply and facilities from
contamination, public tours, and even terrorism - ANSWER-False
T/F: The state requires bacteriological sample results to be kept 2 years. -
ANSWER-False (True if 5 years)
T/F: The state requires chemical analysis to be kept at least 10 years. - ANSWER-
True
T/F: The EPA requires a water system to keep a copy of each consumer confidence
report at least 5 years. - ANSWER-True
T/F: A public water system provides the public with piped water for human
consumption, serves at least 15 service connections and regularly serves at least 25
individuals daily at least 60 days out of the year - ANSWER-True
The water utility field touches everyone because...
,A)water used for recreation
B)water used for agriculture
C)water used for industry
D)water is essential to life and health - ANSWER-D)water essential to life and
health
Thew water utility employee should remember customers are entitled to...
A)courteous treatment
B)abuse public servants
C)always be right
D)answers to questions about water
E)A&D - ANSWER-E
Public systems utilizing ground water serving less than ___ connections on
purchase treated water only are not required to compile ___ reports.
A)50, yearly
B) 150, yearly
C) 50, monthly
D) 100, monthly - ANSWER-D
Job training for water utility operators is available through the...
A)American Water Works Association
B)TX Water Utilities Association
C)TX Engineering Extension Service
D)all listed - ANSWER-D
,In TX, water operator license is administered by the...
A)EPA
B)TNRCC -- TCEQ
C)AWWA
D)TWUA - ANSWER-B
All pubic water systems are required to employ certified operators even if the
system only ___ treated water bought from another source.
A)Chlorites
B)Sells
C)Redistributes
D)Stores - ANSWER-C
Public water systems include cities, municipal utility districts, rural water supply
corporations, mobile home parts, and ___.
A)private wells
B)campgrounds
C)public pools
D)public lakes - ANSWER-B
Examples of community water systems include...
A)municipalities
B)municipal utility districts
C)rural water supply corporations
D)mobile home packs
E)all the above - ANSWER-E
, A federal agency impacting the water utility industry is the...
A)TNRCC
B)EPA
C)AWWA
D)TWUA - ANSWER-B
The most important federal law impacting the water utility industry is the ...
A)water resources development act
b)federal water pollution control act
c)hazard communication act
d)safe drinking water act - ANSWER-D
The 4 national safety and quality standards for drinking water covered in the Safe
Drinking Water Act are physical, chemical, ___, and radiological
A)mineral
B)thermal
C)bacteriological
D)mathematical - ANSWER-C
The state agency that regulates drinking water in TX and administers federal Safe
Drinking Water Act is the ...
A)TNRCC -- TCEQ
B)DPS
C)PUC
D)TDH - ANSWER-A
WITH 260+ QUESTIONS & CORRECT ANSWERS
LATEST 2025
T/F: Operators have a responsibility to provide drinking water that meets Federal
and State Standards - ANSWER-True
T/F: Water must be disinfected, delivered at inadequate pressure and be ample in
quantity - ANSWER-False (True if adequate instead of inadequate)
T/F: Utility employees should guard the water supply and facilities from
contamination, public tours, and even terrorism - ANSWER-False
T/F: The state requires bacteriological sample results to be kept 2 years. -
ANSWER-False (True if 5 years)
T/F: The state requires chemical analysis to be kept at least 10 years. - ANSWER-
True
T/F: The EPA requires a water system to keep a copy of each consumer confidence
report at least 5 years. - ANSWER-True
T/F: A public water system provides the public with piped water for human
consumption, serves at least 15 service connections and regularly serves at least 25
individuals daily at least 60 days out of the year - ANSWER-True
The water utility field touches everyone because...
,A)water used for recreation
B)water used for agriculture
C)water used for industry
D)water is essential to life and health - ANSWER-D)water essential to life and
health
Thew water utility employee should remember customers are entitled to...
A)courteous treatment
B)abuse public servants
C)always be right
D)answers to questions about water
E)A&D - ANSWER-E
Public systems utilizing ground water serving less than ___ connections on
purchase treated water only are not required to compile ___ reports.
A)50, yearly
B) 150, yearly
C) 50, monthly
D) 100, monthly - ANSWER-D
Job training for water utility operators is available through the...
A)American Water Works Association
B)TX Water Utilities Association
C)TX Engineering Extension Service
D)all listed - ANSWER-D
,In TX, water operator license is administered by the...
A)EPA
B)TNRCC -- TCEQ
C)AWWA
D)TWUA - ANSWER-B
All pubic water systems are required to employ certified operators even if the
system only ___ treated water bought from another source.
A)Chlorites
B)Sells
C)Redistributes
D)Stores - ANSWER-C
Public water systems include cities, municipal utility districts, rural water supply
corporations, mobile home parts, and ___.
A)private wells
B)campgrounds
C)public pools
D)public lakes - ANSWER-B
Examples of community water systems include...
A)municipalities
B)municipal utility districts
C)rural water supply corporations
D)mobile home packs
E)all the above - ANSWER-E
, A federal agency impacting the water utility industry is the...
A)TNRCC
B)EPA
C)AWWA
D)TWUA - ANSWER-B
The most important federal law impacting the water utility industry is the ...
A)water resources development act
b)federal water pollution control act
c)hazard communication act
d)safe drinking water act - ANSWER-D
The 4 national safety and quality standards for drinking water covered in the Safe
Drinking Water Act are physical, chemical, ___, and radiological
A)mineral
B)thermal
C)bacteriological
D)mathematical - ANSWER-C
The state agency that regulates drinking water in TX and administers federal Safe
Drinking Water Act is the ...
A)TNRCC -- TCEQ
B)DPS
C)PUC
D)TDH - ANSWER-A
