1. Prominently Display All Certifications
beginnerWater Treatment Operator certifications are non-negotiable requirements. Ensure your highest-level certification, issuing authority, and expiration date are immediately visible, ideally in a dedicated section near the top of your resume.
Certified Water Treatment Operator.
Certified Water Treatment Plant Operator (Class A, State of California, Exp. 12/2025).
Why it works: Clearly states the highest certification, issuing body, and validity, which is crucial for immediate screening by employers and ATS.