May 8, 2026
TCEQ CLASS D WATER LICENSE EXAM |VERIFIED
150Qs&As|NEW UPDATE|TCEQ EXAM PREP
2026|A+GRADE
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
Page | 1
,May 8, 2026
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...
Page | 2
,May 8, 2026
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
Page | 3
, May 8, 2026
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 distrcits
C)real estate agencies
D)river authorities - correct answer -D
In small water systems, the operator is often...
A)a meter reader, repair crew, and pump operator
B)highest paid employee
C)college graduate
D)all listed - correct answer -A
"Stuffers" sent to customers in billing statements may contain...
A)departments to call for service
B)explanations of utility policy
C)history of the utility
D)tips on water conservation
E)all of the above - correct answer -E
Delinquent payment notices should be...
A) tactful + tasteful
B)mailed in envelope
C)business-like
D)all listed - correct answer -D
Page | 4
TCEQ CLASS D WATER LICENSE EXAM |VERIFIED
150Qs&As|NEW UPDATE|TCEQ EXAM PREP
2026|A+GRADE
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
Page | 1
,May 8, 2026
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...
Page | 2
,May 8, 2026
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
Page | 3
, May 8, 2026
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 distrcits
C)real estate agencies
D)river authorities - correct answer -D
In small water systems, the operator is often...
A)a meter reader, repair crew, and pump operator
B)highest paid employee
C)college graduate
D)all listed - correct answer -A
"Stuffers" sent to customers in billing statements may contain...
A)departments to call for service
B)explanations of utility policy
C)history of the utility
D)tips on water conservation
E)all of the above - correct answer -E
Delinquent payment notices should be...
A) tactful + tasteful
B)mailed in envelope
C)business-like
D)all listed - correct answer -D
Page | 4
