Payments and Fees

Fee Structure During the application process, the candidate will be asked to pay a nonrefundable application fee, which pays for the processing of each application. Additionally, PSI will collect an exam fee to cover the exam administration and proctoring. State or local taxes may apply, and all fees are non-refundable, non-transferable, and subject to change…

Experience Criteria

Operator experience requirements To qualify for PO certification, an applicant must document the required amount of operating experience relevant to the type of PO certification being sought, or if applicable, acceptable related experience. Operator Eligibility Criteria Class III and IV require applicants to document 24 months of direct responsible charge (DRC) experience. DRC experience is a…

Education Criteria

General Eligibility Requirements PO certification is offered to operators in four levels (from Class I through Class IV) for water treatment, water distribution, wastewater collection, and wastewater treatment. Each PO certification level has professional and education criteria that must be met. It is very important to understand all eligibility criteria prior to submitting your applications and fees. General Education…

PO Certification

Here’s How it Works Operators can join a community of mentors and peers, grow as professionals, show commitment to public health, and increase mobility, all in a process that can take as little as a few weeks. PO certification is offered to operators in four levels (from Class I through Class IV) for water treatment,…