Ohio EPA Certified OperatorWater Supply Classes II and III Certification Exam

Ohio EPA Certified Operator Water Supply Classes II and III After earning this credential, operators manage treatment plants serving thousands of residents daily, making real-time decisions on chlorination levels, pH balance, and filtration systems. Your license authorizes independent operation of Class II and III water systems across Ohio, positioning you as the individual responsible when contamination risks emerge or equipment fails. This authority—and the accountability it carries—defines your role in communities.