TCEQ Class C Water License QUESTIONS
& ANSWERS 2026 | A+ GRADED 100%
VERIFIED
• Examples of non-community (non-transient) water systems include- -
✓✓Highway rest areas, RV park, Service stations, Hotel/Motel
• An employee without a breathing apparatus is in a room where
chlorine gas suddenly begins leaking. What should the employee do
first? -✓✓Keep mouth closed, keep head as high as possible, and
quickly walk out of the room, holding his breath if possible.
• Waterworks operators holding grade C certificates are required to
renew their certificates every three years and to: -✓✓inform TCEQ of
any address changes.
• What responsibility does an operator with a C license have? -✓✓Keep
up with renewal criteria, and notification of address change.
• The major responsibility of a certified waterworks operator is to- -
✓✓Insure that a safe and adequate supply of drinking water is delivered
to the customers tap.
• What is the proper way to flow test and check pressure? -✓✓Fire
hydrant.
• At what PH does water become considered acidic? -✓✓5.5
• Which pH measurements would indicate that water is basic- -✓✓8.3
, • a pH reading of 6.0 in raw water indicates that the sample is what? -
✓✓Acidic
• If any organic matter is added during repair or installation? -
✓✓Detreated cl2
• The rules and regulations for Public Water Systems states that
minimum pressures in all water distribution systems must not be less
than 20psi and that normal operating pressures must not be less than- -
✓✓35psi
• TCEQ rules require that water systems maintain a minimum of ____
psi throughout the distribution system under normal operating conditions
and shall not be less than ___ psi in emergencies -✓✓35/20
• Maintaining the minimum of operating pressure in the distribution
system helps prevent -✓✓Cross Connection
Customer complaints
Waterborne Diseases
Backflow contamination
Air in the distribution system
• The purpose of water mains is- -✓✓To transport water throughout the
system
To provide water for fire protection
To reduce the number of private wells within a providers service area
To insure customers have a water source.
All of the above
• It is recommended that all underground main line valves be operated at
least- -✓✓Yearly/Annually
& ANSWERS 2026 | A+ GRADED 100%
VERIFIED
• Examples of non-community (non-transient) water systems include- -
✓✓Highway rest areas, RV park, Service stations, Hotel/Motel
• An employee without a breathing apparatus is in a room where
chlorine gas suddenly begins leaking. What should the employee do
first? -✓✓Keep mouth closed, keep head as high as possible, and
quickly walk out of the room, holding his breath if possible.
• Waterworks operators holding grade C certificates are required to
renew their certificates every three years and to: -✓✓inform TCEQ of
any address changes.
• What responsibility does an operator with a C license have? -✓✓Keep
up with renewal criteria, and notification of address change.
• The major responsibility of a certified waterworks operator is to- -
✓✓Insure that a safe and adequate supply of drinking water is delivered
to the customers tap.
• What is the proper way to flow test and check pressure? -✓✓Fire
hydrant.
• At what PH does water become considered acidic? -✓✓5.5
• Which pH measurements would indicate that water is basic- -✓✓8.3
, • a pH reading of 6.0 in raw water indicates that the sample is what? -
✓✓Acidic
• If any organic matter is added during repair or installation? -
✓✓Detreated cl2
• The rules and regulations for Public Water Systems states that
minimum pressures in all water distribution systems must not be less
than 20psi and that normal operating pressures must not be less than- -
✓✓35psi
• TCEQ rules require that water systems maintain a minimum of ____
psi throughout the distribution system under normal operating conditions
and shall not be less than ___ psi in emergencies -✓✓35/20
• Maintaining the minimum of operating pressure in the distribution
system helps prevent -✓✓Cross Connection
Customer complaints
Waterborne Diseases
Backflow contamination
Air in the distribution system
• The purpose of water mains is- -✓✓To transport water throughout the
system
To provide water for fire protection
To reduce the number of private wells within a providers service area
To insure customers have a water source.
All of the above
• It is recommended that all underground main line valves be operated at
least- -✓✓Yearly/Annually
