Water Treatment and Distribution System A DC electrical system for preventing corrosion of metal storage tanks and piping. Tags: Cathodic Protection, Certification Exams, Water Distribution System, Water Treatment Read more articles Previous PostBOD Removal Efficiency Problem – Wastewater Math Next PostWater Storage You Might Also Like State Certification Information | California Specialized Training June 14, 2018 Texas Class A Water System Operator Requirements (part 2) June 11, 2017 Water Meters January 24, 2017 Post author: Post published:January 10, 2017 Post category:Certification Exams / Distribution / Water Treatment