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What is a CPO Certified Pool Operator?
Quick answer
The CPO (Certified Pool Operator) is a 16-hour certification covering pool and splash pad water chemistry, filtration, regulations, and risk management. Issued by the Pool & Hot Tub Alliance (formerly NSPF), it's the most widely recognized aquatic-facility credential in the US. Cost: $300-500. Renewal: every 5 years.
The Certified Pool Operator (CPO) program is the gold-standard credential for anyone running a public pool, splash pad, or water park in the US. Issued by the Pool & Hot Tub Alliance (PHTA, formerly the National Swimming Pool Foundation/NSPF), the CPO is a 16-hour blended-learning course followed by a 50-question proctored exam. Topics: water chemistry, balance, sanitation, filtration, circulation, automation, code compliance, emergency response, and disability accessibility. Most US states accept the CPO as the certified-operator-of-record requirement. Cost: $300-500 depending on instructor, plus $50 exam fee. Renewal every 5 years requires either re-attending the full course or completing 16 CEU hours plus a refresher exam. Many splash pad maintenance contractors require their field staff to hold a CPO. Search 'CPO certification near me' to find an authorized PHTA instructor.