TCEQ CLASS D WATER OPERATOR LICENSE EXAM
2025/2026 ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS
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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER-D
In TX, water operator license is administered by the...
A)EPA
B)TNRCC -- TCEQ
C)AWWA
D)TWUA - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER-E
A federal agency impacting the water utility industry is the...
,A)TNRCC
B)EPA
C)AWWA
D)TWUA - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER-A
Required notification by the water system to the TNRCC includes change or alteration of the system,
a new facility to be built and water supply .
A) rate increases
B) health hazards
C) bond elections
D) bid proposals - CORRECT ANSWER-B
, 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.
A) school districts
B) postal districts
C) real estate agencies
D) river authorities - CORRECT ANSWER-D
T/F: Public relations (PR) is the relationship between you, the water utility employee, and the mayor.
- CORRECT ANSWER-F
T/F: 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 - CORRECT ANSWER-True
T/F: Meter readers are the persons with whom customers have the least contact. - CORRECT
ANSWER-False
T/F: Meter readers can be ambassadors of goodwill. - CORRECT ANSWER-True
T/F: Maintenance crews can warn customers of service interruptions and provide signs and barriers
to protect the public. - CORRECT ANSWER-True
T/F: The plant operator is responsible for making the water safe to drink and use. - CORRECT
ANSWER-True
T/F: Water bills should be accurate, itemized, neat and the customer's option to pay. - CORRECT
ANSWER-False
T/F: It is not important that the utility have a sense of pride and professionalism. - CORRECT
ANSWER-False
2025/2026 ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS
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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER-D
In TX, water operator license is administered by the...
A)EPA
B)TNRCC -- TCEQ
C)AWWA
D)TWUA - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER-E
A federal agency impacting the water utility industry is the...
,A)TNRCC
B)EPA
C)AWWA
D)TWUA - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER-A
Required notification by the water system to the TNRCC includes change or alteration of the system,
a new facility to be built and water supply .
A) rate increases
B) health hazards
C) bond elections
D) bid proposals - CORRECT ANSWER-B
, 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.
A) school districts
B) postal districts
C) real estate agencies
D) river authorities - CORRECT ANSWER-D
T/F: Public relations (PR) is the relationship between you, the water utility employee, and the mayor.
- CORRECT ANSWER-F
T/F: 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 - CORRECT ANSWER-True
T/F: Meter readers are the persons with whom customers have the least contact. - CORRECT
ANSWER-False
T/F: Meter readers can be ambassadors of goodwill. - CORRECT ANSWER-True
T/F: Maintenance crews can warn customers of service interruptions and provide signs and barriers
to protect the public. - CORRECT ANSWER-True
T/F: The plant operator is responsible for making the water safe to drink and use. - CORRECT
ANSWER-True
T/F: Water bills should be accurate, itemized, neat and the customer's option to pay. - CORRECT
ANSWER-False
T/F: It is not important that the utility have a sense of pride and professionalism. - CORRECT
ANSWER-False
