Facility Safety & Emergencies — Pool Operator (CPO) Practice Test

Free Certified Pool/Spa Operator (CPO) exam practice in English, Chinese, and Spanish — water chemistry, disinfection, circulation and filtration, pool math, facility safety, and maintenance.

21 free practice questions

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Practice questions based on the Pool & Hot Tub Alliance (PHTA) Pool & Spa Operator Handbook and public CDC healthy-swimming guidance. CPO and Certified Pool/Spa Operator are marks of the Pool & Hot Tub Alliance; this site is not affiliated with or endorsed by PHTA. Water-quality limits, turnover requirements and bather loads are set by the health code where your facility operates — always follow that code and your local health department, and confirm current course requirements before testing. About the CPO certification →