Certified Pool Operator Test Review
Questions and Answers 100% Pass
12 Reasons why the health inspector will close your pool - ✔✔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
1
100% Pass Guarantee Katelyn Whitman, All Rights
, 10. bathrooms + drains not working
11. flow rate is too low
12. no phone (landline)
Measuring records as the CPO - ✔✔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 - ✔✔pH, Total Alkalinity, Calcium Hardness,
Temperature, and total dissolved liquids
Corrosive water - ✔✔pH is too low, dissolves everything it contacts
scaling water - ✔✔pH it too high, mineral deposits on walls or pipes
Regulated pH range - ✔✔7.2-7.8
pH reading is tested with Phenol Red
To lower pH, - ✔✔add muriatic acid
To raise the pH, - ✔✔add sodium carbonate (Soda Ash)
2
100% Pass Guarantee Katelyn Whitman, All Rights
Questions and Answers 100% Pass
12 Reasons why the health inspector will close your pool - ✔✔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
1
100% Pass Guarantee Katelyn Whitman, All Rights
, 10. bathrooms + drains not working
11. flow rate is too low
12. no phone (landline)
Measuring records as the CPO - ✔✔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 - ✔✔pH, Total Alkalinity, Calcium Hardness,
Temperature, and total dissolved liquids
Corrosive water - ✔✔pH is too low, dissolves everything it contacts
scaling water - ✔✔pH it too high, mineral deposits on walls or pipes
Regulated pH range - ✔✔7.2-7.8
pH reading is tested with Phenol Red
To lower pH, - ✔✔add muriatic acid
To raise the pH, - ✔✔add sodium carbonate (Soda Ash)
2
100% Pass Guarantee Katelyn Whitman, All Rights
