N.C. Gen. Statutes > Chapter 90A North Carolina General Statutes > Chapter 90A – Sanitarians and Water and Wastewater Treatment Facility Operators Current as of: 2023 | Check for updates | Other versions Sections Article 2 Certification of Water Treatment Facility Operators 90A-20 – 90A-32 Article 3 Certification of Water Pollution Control System Operators and Animal Waste Management System Operators 90A-35 – 90A-47.6 Article 4 Registrations of Environmental Health Specialists 90A-50 – 90A-67 Article 5 Certification of On Site Wastewater Contractors and Inspectors 90A-70 – 90A-81