Certified Pool Operator Test Review
Questions & Answers
12 Reasons why the health inspector will close your pool - ANS ✔ - 1. pump filter not working for
more than an hour
2. main drain is not visible
3. chemical readings out of range
4. no pool operator (15 minute grace period)
5. no lifeguard or cpr certs present
6. water is below the skimmer line
7. danger to 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)
Measuring records as the CPO - ANS ✔ - Operator must test the water for Cl and pH every hour, and
Total Alkalinity, Calcium Hardness and Cyanuric Acid once per week. Records must be maintained on
site and available for at least 2 years at the pool and 3 years total.
5 Factors of Water Balance - ANS ✔ - pH, Total Alkalinity, Calcium Hardness, Temperature, and total
dissolved liquids
Corrosive water - ANS ✔ - pH is too low, dissolves everything it contacts
Questions & Answers
12 Reasons why the health inspector will close your pool - ANS ✔ - 1. pump filter not working for
more than an hour
2. main drain is not visible
3. chemical readings out of range
4. no pool operator (15 minute grace period)
5. no lifeguard or cpr certs present
6. water is below the skimmer line
7. danger to 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)
Measuring records as the CPO - ANS ✔ - Operator must test the water for Cl and pH every hour, and
Total Alkalinity, Calcium Hardness and Cyanuric Acid once per week. Records must be maintained on
site and available for at least 2 years at the pool and 3 years total.
5 Factors of Water Balance - ANS ✔ - pH, Total Alkalinity, Calcium Hardness, Temperature, and total
dissolved liquids
Corrosive water - ANS ✔ - pH is too low, dissolves everything it contacts
