CPO Practice Test Exam Questions and
Answers (Latest 2026)
pH level must be between _____ and _____. - Correct
Answers ✅7.2 and 7.8
Water temp of a heated pool does not exceed _______. -
Correct Answers ✅90 degrees F
Water temp of a spa does not exceed ______. - Correct
Answers ✅104 degrees F
How many times is it required for the CPO to test the water
der day? - Correct Answers ✅At least once
How many hours a day must the pump operate? - Correct
Answers ✅24 hours
How long must a pole with body hook be? - Correct
Answers ✅12 ft
How many days do you have to report a death, serious injury
or complaint of illness caused by your swimming pool? -
Correct Answers ✅2 days
The CPO certificate is valid for how long? - Correct Answers
✅5 years
, CPO Practice Test Exam Questions and
Answers (Latest 2026)
Two daily readings and recordings of the disinfectant
residuals and pH levels shall be taken a minimum of how
many hours apart? - Correct Answers ✅6
The CPO must complete a ________ provided by the
Department of Environmental Services daily. - Correct
Answers ✅checklist
The highest level of free chlorine allowed in pools is ______ -
Correct Answers ✅10ppm
A pool shall be closed for: - Correct Answers ✅algae,
bacteria, fecal material, no presence of disinfectant
If fecal contaminati9on occurs in a wading pool or spa you
should _____________________________. - Correct Answers
✅Drain and disinfect it
The height of any opening under the bottom of the enclosure
shall not exceed _______ inches. - Correct Answers ✅4
T/F Bathrooms shall be provided at all pools adjacent to the
pool deck. - Correct Answers ✅True
T/F Chemicals shall be stored in a dry, weatherproof
enclosure separate from the enclosure provided for pumps
Answers (Latest 2026)
pH level must be between _____ and _____. - Correct
Answers ✅7.2 and 7.8
Water temp of a heated pool does not exceed _______. -
Correct Answers ✅90 degrees F
Water temp of a spa does not exceed ______. - Correct
Answers ✅104 degrees F
How many times is it required for the CPO to test the water
der day? - Correct Answers ✅At least once
How many hours a day must the pump operate? - Correct
Answers ✅24 hours
How long must a pole with body hook be? - Correct
Answers ✅12 ft
How many days do you have to report a death, serious injury
or complaint of illness caused by your swimming pool? -
Correct Answers ✅2 days
The CPO certificate is valid for how long? - Correct Answers
✅5 years
, CPO Practice Test Exam Questions and
Answers (Latest 2026)
Two daily readings and recordings of the disinfectant
residuals and pH levels shall be taken a minimum of how
many hours apart? - Correct Answers ✅6
The CPO must complete a ________ provided by the
Department of Environmental Services daily. - Correct
Answers ✅checklist
The highest level of free chlorine allowed in pools is ______ -
Correct Answers ✅10ppm
A pool shall be closed for: - Correct Answers ✅algae,
bacteria, fecal material, no presence of disinfectant
If fecal contaminati9on occurs in a wading pool or spa you
should _____________________________. - Correct Answers
✅Drain and disinfect it
The height of any opening under the bottom of the enclosure
shall not exceed _______ inches. - Correct Answers ✅4
T/F Bathrooms shall be provided at all pools adjacent to the
pool deck. - Correct Answers ✅True
T/F Chemicals shall be stored in a dry, weatherproof
enclosure separate from the enclosure provided for pumps
