WATER OPERATOR CLASS D
COMPREHENSIVE EXAMINATION SCRIPT
2026 FULL SOLUTIONS GUIDE GRADED A+
◉ 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...
COMPREHENSIVE EXAMINATION SCRIPT
2026 FULL SOLUTIONS GUIDE GRADED A+
◉ 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...
