Resources Health TopicDrinking Water Quality Facet Health Topic Facet Disease Disease N/A AudiencePublic Health Professionals Water System Operators Facet Audience Resource CategoryAnnual Applications Instructions, Manuals, Procedures Reports Facet Resource Category Licensee (-) Drinking Water Operator Public Water System Facet Licensee Facet Language Language N/A Applications Drinking Water Operator by Reciprocity Drinking Water Operator Exam Drinking Water Quality Training Course Approval Upgrade Request - Operator-in-Training (OIT) to Full Certification Instructions, Manuals, Procedures Certification for Drinking Water Operators, Distribution Certification for Drinking Water Operators, Treatment Public Water Systems Routine Monitoring for Coliform Bacteria Reports, Annual Drinking Water Operator Certification Program (2023)