Water Operator Exam Questions
and Answers 100% Pass
A common chemical used in the disinfection of a small water supply is - - ✔✔calcium hypochlorite
The MOST important treatment in water is? - ✔✔Disinfection
Which of the following would be considered a part(s) of a hypo-chlorinator system? - ✔✔solution feed
pump
Which of the following is a required step in collecting a routine distribution sample for bacteriological
testing? - ✔✔use of an approved, sterile sample container
The most important federal law that impacts the water utility industry is? - ✔✔The Safe Drinking Water
Act of 1974
A groundwater well is currently producing 820 gallons per minute. Convert 820 (gum) to million gallons
per day (mgd). - ✔✔1440
Public Water Systems in Texas are required to compile and maintain reports showing - - ✔✔pumpage &
chemical used
date of dead end flushing and storage tanks cleaned
microbiological tests and chemical analysis
EMILY CHARLENE © 2025, ALL RIGHTS RESERVED 1
and Answers 100% Pass
A common chemical used in the disinfection of a small water supply is - - ✔✔calcium hypochlorite
The MOST important treatment in water is? - ✔✔Disinfection
Which of the following would be considered a part(s) of a hypo-chlorinator system? - ✔✔solution feed
pump
Which of the following is a required step in collecting a routine distribution sample for bacteriological
testing? - ✔✔use of an approved, sterile sample container
The most important federal law that impacts the water utility industry is? - ✔✔The Safe Drinking Water
Act of 1974
A groundwater well is currently producing 820 gallons per minute. Convert 820 (gum) to million gallons
per day (mgd). - ✔✔1440
Public Water Systems in Texas are required to compile and maintain reports showing - - ✔✔pumpage &
chemical used
date of dead end flushing and storage tanks cleaned
microbiological tests and chemical analysis
EMILY CHARLENE © 2025, ALL RIGHTS RESERVED 1
