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TEXAS CLASS D WATER LICENSE 2025
UPDATED ACTUAL EXAM WITH CORRECT
SOLUTIONS.
Ground storage at a surface water treatment receiving the
treated water is called the? - correct answer- clear well
The TCEQ requires all storage tanks to have screened vents,
licked hatches, a dust-proof cover, overflows with hinged flaps,
and - correct answer- entry ports
Total storage capacity (elevated storage included) must be how
many gallons? - correct answer- 200
Storage tanks must be painted, disinfected, and maintained
according to what standards? - correct answer- AWWA
Coatings on storage tanks for contact with potable water must
be approved by? - correct answer- EPA
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Each foot of a water column produces how much psi? - correct
answer- 0.433
What is the state minimum normal operating pressure? -
correct answer- 35 psi
Elevated storage is water stored at least how many feet above
the highest service connection? - correct answer- 80
A ? is a tank resting on the ground that is greater in height than
diameter? - correct answer- standpipe
What kind of tank also known as (hydropneumatic tanks) are
cylindrical and horizontal to the ground. - correct answer-
pressure tanks
Annual inspections on tanks must be inspected how often? -
correct answer- yearly
Cathodic protection is an ? method for preventing corrosion of
the interior of metal tanks? - correct answer- electrochemical
TEXAS CLASS D WATER LICENSE 2025
UPDATED ACTUAL EXAM WITH CORRECT
SOLUTIONS.
Ground storage at a surface water treatment receiving the
treated water is called the? - correct answer- clear well
The TCEQ requires all storage tanks to have screened vents,
licked hatches, a dust-proof cover, overflows with hinged flaps,
and - correct answer- entry ports
Total storage capacity (elevated storage included) must be how
many gallons? - correct answer- 200
Storage tanks must be painted, disinfected, and maintained
according to what standards? - correct answer- AWWA
Coatings on storage tanks for contact with potable water must
be approved by? - correct answer- EPA
, 2 | Page
Each foot of a water column produces how much psi? - correct
answer- 0.433
What is the state minimum normal operating pressure? -
correct answer- 35 psi
Elevated storage is water stored at least how many feet above
the highest service connection? - correct answer- 80
A ? is a tank resting on the ground that is greater in height than
diameter? - correct answer- standpipe
What kind of tank also known as (hydropneumatic tanks) are
cylindrical and horizontal to the ground. - correct answer-
pressure tanks
Annual inspections on tanks must be inspected how often? -
correct answer- yearly
Cathodic protection is an ? method for preventing corrosion of
the interior of metal tanks? - correct answer- electrochemical
