Water Treatment Operator
Certification with questions and well
verified answers actual exam!!!
2026
What is removed at the raw water intake? - ANSWER -Fish and debris
What is more likely to be found in groundwater? - ANSWER -Trihalomethane
What is most commonly used to control algae growth in reservoirs? - ANSWER -copper
sulfate
What are common filtration rates in gravity filtration? - ANSWER -2 to 10 GPM/sq.ft.
Leakage within a centrifugal pump is intended for what purpose? - ANSWER -Cool
moving parts
What is the definition of a grab sample? - ANSWER -A single sample of water collected at
a particular time and place which represents the composition of the water only at that time
and place.
Adding sodium hypochlorite to water will have what effect? - ANSWER -Increase pH
Certification with questions and well
verified answers actual exam!!!
2026
What is removed at the raw water intake? - ANSWER -Fish and debris
What is more likely to be found in groundwater? - ANSWER -Trihalomethane
What is most commonly used to control algae growth in reservoirs? - ANSWER -copper
sulfate
What are common filtration rates in gravity filtration? - ANSWER -2 to 10 GPM/sq.ft.
Leakage within a centrifugal pump is intended for what purpose? - ANSWER -Cool
moving parts
What is the definition of a grab sample? - ANSWER -A single sample of water collected at
a particular time and place which represents the composition of the water only at that time
and place.
Adding sodium hypochlorite to water will have what effect? - ANSWER -Increase pH