TCEQ CLASS C WATER
LICENSE EXAM 2026
2026 TCEQ CLASS C WATER LICENSE
EXAM LATEST QUESTIONS AND
ANSWERS (GUARANTEED PASS)
The mesh size is an important feature of a well screen because properly sized openings should
Reduce the amount of Sand pumped
When treating surface Water, the process of coagularon will be most affected by the
pH, alkalinity, temperature, and chemical Dosage
A rapid sand filter should be backwashed When
The loss of head gauge indicated between 6 and 10 feet
Which of the following is an acceptable disinfection residual at the far reaches of the distribution
System
0.2 mg/L free chlorine residual, 0.8 mg/L chloramine residual when using chloramine treatment, 0.5
mg/L chloramine for surface water supply, 0.5 mg/L free chlorine residual for ground water Supply
What is the approximate total volume of a circular tank in gallons, if it is 30 feet in diameter, and 15
feet deep
79,300 gallons
, You are using a chlorinator to provine a dosage of 4.0 mg/L. If the daily Water usage is 750,000
gallons, the gas chlorinator feed rate should be set at ____________ pounds per day.
25
One gallon of water weighs
8.34 lbs.
One foot of water inside a storage vessel will raise a pressure gauge at the bottom of the vessel by
0.433 lbs. (1 ft. Water creates 0.433 psi of pressure)
A raw water intake structure may not be constructed with ___________ feet of a boat ramp, dock, or
marina
1,000 feet
Common types of pumps for use in water wells are
Vertical turbine and submersible
_________ is the natural exchange of water between the earth and air
The hydraulic cycle
If and when a health hazard contamination event occurs in a public water System, the operator must
contact the state regulatory authority within __________ hours by telephone
24 hours
Potable water is that of
Maintained at adequate pressure, pathogen free, and contains a chlorine residual
Excessive nitrates in drinking water can care a condition that affects infants under the age of 6
months, this condition known as
Blue baby
LICENSE EXAM 2026
2026 TCEQ CLASS C WATER LICENSE
EXAM LATEST QUESTIONS AND
ANSWERS (GUARANTEED PASS)
The mesh size is an important feature of a well screen because properly sized openings should
Reduce the amount of Sand pumped
When treating surface Water, the process of coagularon will be most affected by the
pH, alkalinity, temperature, and chemical Dosage
A rapid sand filter should be backwashed When
The loss of head gauge indicated between 6 and 10 feet
Which of the following is an acceptable disinfection residual at the far reaches of the distribution
System
0.2 mg/L free chlorine residual, 0.8 mg/L chloramine residual when using chloramine treatment, 0.5
mg/L chloramine for surface water supply, 0.5 mg/L free chlorine residual for ground water Supply
What is the approximate total volume of a circular tank in gallons, if it is 30 feet in diameter, and 15
feet deep
79,300 gallons
, You are using a chlorinator to provine a dosage of 4.0 mg/L. If the daily Water usage is 750,000
gallons, the gas chlorinator feed rate should be set at ____________ pounds per day.
25
One gallon of water weighs
8.34 lbs.
One foot of water inside a storage vessel will raise a pressure gauge at the bottom of the vessel by
0.433 lbs. (1 ft. Water creates 0.433 psi of pressure)
A raw water intake structure may not be constructed with ___________ feet of a boat ramp, dock, or
marina
1,000 feet
Common types of pumps for use in water wells are
Vertical turbine and submersible
_________ is the natural exchange of water between the earth and air
The hydraulic cycle
If and when a health hazard contamination event occurs in a public water System, the operator must
contact the state regulatory authority within __________ hours by telephone
24 hours
Potable water is that of
Maintained at adequate pressure, pathogen free, and contains a chlorine residual
Excessive nitrates in drinking water can care a condition that affects infants under the age of 6
months, this condition known as
Blue baby
