Certified Pool Operator Key Mandatory Questions and Correct Answers 2024

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 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