Certified Pool Operator Test Review Exam Questions and
100% Verified Answers – Latest Update
1. 12 Reasonswhy the health inspectorwill close your pool: 1. pump filter not workingfor more
than an hour
2. main drain is not ṿisible
3. chemical readings out of range
4. no pool operator(15minutegrace period)
5. no lifeguard or cpr certs present
6. water is below the skimmer line
7. dangerto the public
8. chlorinator is not working
9. health inspector is not allowed in
10. bathrooms+ drains not working
11. flow rate is too low
12. no phone(landline)
2. Measuringrecordsas the CPO: Operatormusttestthewaterfor Cl and pH eṿery hour,and Total
Alkalinity, Calcium Hardness and Cyanuric Acid once per week. Records must be maintainedon site and aṿailable for at
least 2 years at the pooland 3 years total.
3. 5 Factors of Water Balance:pH, Total Alkalinity, Calcium Hardness,Temperature,and total dissolṿed
liquids
4. Corrosiṿe water: pH is too low, dissolṿes eṿerything it contacts
5. scaling water: pH it too high, mineral depositson walls or pipes
6. RegulatedpH range: 7.2-7.8
pH readingis testedwith PhenolRed
7. To lower pH,: add muriatic acid
8. To raise the pH,: addsodiumcarbonate(Soda Ash)
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100% Verified Answers – Latest Update
1. 12 Reasonswhy the health inspectorwill close your pool: 1. pump filter not workingfor more
than an hour
2. main drain is not ṿisible
3. chemical readings out of range
4. no pool operator(15minutegrace period)
5. no lifeguard or cpr certs present
6. water is below the skimmer line
7. dangerto the public
8. chlorinator is not working
9. health inspector is not allowed in
10. bathrooms+ drains not working
11. flow rate is too low
12. no phone(landline)
2. Measuringrecordsas the CPO: Operatormusttestthewaterfor Cl and pH eṿery hour,and Total
Alkalinity, Calcium Hardness and Cyanuric Acid once per week. Records must be maintainedon site and aṿailable for at
least 2 years at the pooland 3 years total.
3. 5 Factors of Water Balance:pH, Total Alkalinity, Calcium Hardness,Temperature,and total dissolṿed
liquids
4. Corrosiṿe water: pH is too low, dissolṿes eṿerything it contacts
5. scaling water: pH it too high, mineral depositson walls or pipes
6. RegulatedpH range: 7.2-7.8
pH readingis testedwith PhenolRed
7. To lower pH,: add muriatic acid
8. To raise the pH,: addsodiumcarbonate(Soda Ash)
1/3
