This publication is strictly an independent educational resource and study aid. It is not affiliated with, endorsed by, sponsored by, or connected in any official capacity to any certifying organization, state agency, government body, or testing authority, including the Association of Boards of Certification (ABC), Water Professionals International (WPI), or the American Water Works Association (AWWA). The content within does not constitute legal, professional, or regulatory advice. Readers are strongly encouraged to verify current exam blueprints and eligibility criteria directly with their local licensing boards, as certification requirements are subject to change
