WATER OPERATOR CLASS D ACTUAL
EXAM PAPER 2026 COMPLETE QUESTIONS
AND CORRECT ANSWERS
◉ Listen to special requests and seek solutions to oblige the
customer within...
A)utility policy
B)5 working days
C)tradition
D)secrecy.
Answer: A
◉ Treat customers as though there was another water utility across
the street competing for your...
A)job
b)employees
c)customers
d)revenue.
Answer: NO ANSWER GIVEN
◉ T/F: The chemical symbol for water is HO2..
,Answer: False (True if H2O)
◉ T/F: Water occurs in 3 forms: solid ice, liquid water, water vapor..
Answer: True
◉ T/F: The hydrologic cycle is the natural exchange of water
between the earth and atmosphere..
Answer: True
◉ T/F: Average water use depends on temperature, rainfall, cost,
supply, economic level..
Answer: True
◉ T/F: Groundwater is located above the earth's surface and tapped
by wells..
Answer: False
◉ T/F: Surface water comes from rivers, lakes, and reservoirs..
Answer: True
◉ T/F: Future water supplies will become more plentiful according
to the TNRCC/TCEQ..
Answer: False
,◉ T/F: Surface water or ground water prior to treatment is called
freshwater..
Answer: False
◉ T/F: Potable water means water is free of disease-causing
organisms, has high chlorine residual, and is safe for human
consumption..
Answer: True
◉ T/F: The state must be notified about changes to public water
systems involving water source, water quality, and health hazards..
Answer: True
◉ T/F: Before starting construction, the utility must submit
engineering plans to the AWWA..
Answer: False
◉ T/F: Operators should keep records of water usage, system
pressure, sample results, chlorine use, repairs, and maintenance.
Answer: True
◉ T/F: Surface water systems must mail reports to the TNRCC
(TCEQ) in Austin by the 5th of the following month..
, Answer: False (True if it was the 15th instead of 5th)
◉ T/F: Groundwater systems serving 100 connections or more must
compile monthly reports, but are not required to mail them..
Answer: True
◉ T/F: Water is always found pure in nature..
Answer: False (True if never instead of always)
◉ T/F: Physical characteristics of water are temperature, turbidity,
color, taste, odor, and pH..
Answer: False
◉ T/F: Turbidity is the amount of suspended matter such as clay,
silt, organic matter, and microorganisms in the water..
Answer: True
◉ T/F: Color in water can result from mineral or organic matter..
Answer: True
◉ T/F: True color is dissolved in water (in solution) and can be
removed by filtration..
Answer: False
EXAM PAPER 2026 COMPLETE QUESTIONS
AND CORRECT ANSWERS
◉ Listen to special requests and seek solutions to oblige the
customer within...
A)utility policy
B)5 working days
C)tradition
D)secrecy.
Answer: A
◉ Treat customers as though there was another water utility across
the street competing for your...
A)job
b)employees
c)customers
d)revenue.
Answer: NO ANSWER GIVEN
◉ T/F: The chemical symbol for water is HO2..
,Answer: False (True if H2O)
◉ T/F: Water occurs in 3 forms: solid ice, liquid water, water vapor..
Answer: True
◉ T/F: The hydrologic cycle is the natural exchange of water
between the earth and atmosphere..
Answer: True
◉ T/F: Average water use depends on temperature, rainfall, cost,
supply, economic level..
Answer: True
◉ T/F: Groundwater is located above the earth's surface and tapped
by wells..
Answer: False
◉ T/F: Surface water comes from rivers, lakes, and reservoirs..
Answer: True
◉ T/F: Future water supplies will become more plentiful according
to the TNRCC/TCEQ..
Answer: False
,◉ T/F: Surface water or ground water prior to treatment is called
freshwater..
Answer: False
◉ T/F: Potable water means water is free of disease-causing
organisms, has high chlorine residual, and is safe for human
consumption..
Answer: True
◉ T/F: The state must be notified about changes to public water
systems involving water source, water quality, and health hazards..
Answer: True
◉ T/F: Before starting construction, the utility must submit
engineering plans to the AWWA..
Answer: False
◉ T/F: Operators should keep records of water usage, system
pressure, sample results, chlorine use, repairs, and maintenance.
Answer: True
◉ T/F: Surface water systems must mail reports to the TNRCC
(TCEQ) in Austin by the 5th of the following month..
, Answer: False (True if it was the 15th instead of 5th)
◉ T/F: Groundwater systems serving 100 connections or more must
compile monthly reports, but are not required to mail them..
Answer: True
◉ T/F: Water is always found pure in nature..
Answer: False (True if never instead of always)
◉ T/F: Physical characteristics of water are temperature, turbidity,
color, taste, odor, and pH..
Answer: False
◉ T/F: Turbidity is the amount of suspended matter such as clay,
silt, organic matter, and microorganisms in the water..
Answer: True
◉ T/F: Color in water can result from mineral or organic matter..
Answer: True
◉ T/F: True color is dissolved in water (in solution) and can be
removed by filtration..
Answer: False
