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 How to Study for Water Treatment License Exams – Part 2 of 10 July 9, 2018 Hydraulics February 2, 2017 How To Get Your Texas Class B Water Operator License (part 1) June 18, 2018 Post author: Post published:January 10, 2017 Post category:Certification Exams / Distribution / Water Treatment