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2026 TEXAS WASTEWATER CLASS D
ACTUAL EXAM ALL QUESTIONS AND
CORRECT DETAILED ANSWERS
ALREADY A GRADED WITH EXPERT
FEEDBACK | NEW AND REVISED
"Stuffers" sent to customers in billing statements may contain ________.
a. departments to call for service
b. explanations of utility policy
c. a history of the utility
d. tips on water conservation
e. all the above - ANSWER- e. all of the above
Delinquent payment notices should be ________.
a. tactful and tasteful
b. mailed in an envelope
c. businesslike
d. all listed - ANSWER- d. all listed
EPA requires community water systems to provide customers with a
________ report on the
,2|P a g e
system's water quality. - ANSWER- yearly
If water quality reports are attractive and easy to ________, they can
build goodwill and trust with
the customer. - ANSWER- understand
Good treatment of employees includes fair wages, benefits, and
________ working
conditions. - ANSWER- safe working conditions
Follow up with a phone call or ________ to make sure everything is
satisfactory.
a. postcard
b. email
c. letter
d. a and b - ANSWER- d. postcard or email
Listen to special requests and seek solutions to oblige the customer
within ________. - ANSWER- utility policy
Treat customers as though another water utility across the street is
competing for your ________. - ANSWER- customers
The molecular formula for water is _____. - ANSWER- H2O
,3|P a g e
Water occurs in three forms: solid ice, liquid water, and water vapor.
(true/false) - ANSWER- true
The _____ is the natural exchange of water between the earth and the
atmosphere. - ANSWER- hydrologic cycle
Average water use depends on temperature, rainfall, cost, supply, and
economic level. (true/false) - ANSWER- true
Groundwater is located above the earth's surface and tapped by wells.
(true/false) - ANSWER- false (groundwater is below the surface)
_____ water comes from rivers, lakes, and reservoirs. - ANSWER-
Surface
Future water supplies will become more plentiful according to the
TCEQ. (true/false) - ANSWER- false
Surface water or groundwater prior to treatment is called _____ water. -
ANSWER- raw water
_____ water means the water is free of disease-causing organisms, has a
chlorine residual, and is safe for human consumption. - ANSWER-
Potable
, 4|P a g e
_____ must be notified about changes to public water systems involving
water source, water quality, and health hazards. - ANSWER- The state
Before starting construction, the utility must submit engineering plans to
the AWWA. (true/false) - ANSWER- false (plans must be submitted to
TCEQ)
Operators must keep records of water usage, system pressure, sample
results, chlorine use, repairs, and maintenance. (true/false) - ANSWER-
true
Surface water systems must mail reports to the TCEQ in Austin by the
5th of the following month. (true/false) - ANSWER- by the 10th
Operators have a responsibility to provide drinking water that meets
federal and state
standards. (true/false) - ANSWER- true
Water must be disinfected, delivered at inadequate pressure, and be
ample in quantity. (true/false) - ANSWER- false (adequate pressure)
Utility employees should guard the water supply and facilities from
contamination, public
tours, and even terrorism. (true/false) - ANSWER- false (public tours)
2026 TEXAS WASTEWATER CLASS D
ACTUAL EXAM ALL QUESTIONS AND
CORRECT DETAILED ANSWERS
ALREADY A GRADED WITH EXPERT
FEEDBACK | NEW AND REVISED
"Stuffers" sent to customers in billing statements may contain ________.
a. departments to call for service
b. explanations of utility policy
c. a history of the utility
d. tips on water conservation
e. all the above - ANSWER- e. all of the above
Delinquent payment notices should be ________.
a. tactful and tasteful
b. mailed in an envelope
c. businesslike
d. all listed - ANSWER- d. all listed
EPA requires community water systems to provide customers with a
________ report on the
,2|P a g e
system's water quality. - ANSWER- yearly
If water quality reports are attractive and easy to ________, they can
build goodwill and trust with
the customer. - ANSWER- understand
Good treatment of employees includes fair wages, benefits, and
________ working
conditions. - ANSWER- safe working conditions
Follow up with a phone call or ________ to make sure everything is
satisfactory.
a. postcard
b. email
c. letter
d. a and b - ANSWER- d. postcard or email
Listen to special requests and seek solutions to oblige the customer
within ________. - ANSWER- utility policy
Treat customers as though another water utility across the street is
competing for your ________. - ANSWER- customers
The molecular formula for water is _____. - ANSWER- H2O
,3|P a g e
Water occurs in three forms: solid ice, liquid water, and water vapor.
(true/false) - ANSWER- true
The _____ is the natural exchange of water between the earth and the
atmosphere. - ANSWER- hydrologic cycle
Average water use depends on temperature, rainfall, cost, supply, and
economic level. (true/false) - ANSWER- true
Groundwater is located above the earth's surface and tapped by wells.
(true/false) - ANSWER- false (groundwater is below the surface)
_____ water comes from rivers, lakes, and reservoirs. - ANSWER-
Surface
Future water supplies will become more plentiful according to the
TCEQ. (true/false) - ANSWER- false
Surface water or groundwater prior to treatment is called _____ water. -
ANSWER- raw water
_____ water means the water is free of disease-causing organisms, has a
chlorine residual, and is safe for human consumption. - ANSWER-
Potable
, 4|P a g e
_____ must be notified about changes to public water systems involving
water source, water quality, and health hazards. - ANSWER- The state
Before starting construction, the utility must submit engineering plans to
the AWWA. (true/false) - ANSWER- false (plans must be submitted to
TCEQ)
Operators must keep records of water usage, system pressure, sample
results, chlorine use, repairs, and maintenance. (true/false) - ANSWER-
true
Surface water systems must mail reports to the TCEQ in Austin by the
5th of the following month. (true/false) - ANSWER- by the 10th
Operators have a responsibility to provide drinking water that meets
federal and state
standards. (true/false) - ANSWER- true
Water must be disinfected, delivered at inadequate pressure, and be
ample in quantity. (true/false) - ANSWER- false (adequate pressure)
Utility employees should guard the water supply and facilities from
contamination, public
tours, and even terrorism. (true/false) - ANSWER- false (public tours)
