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 MathNext PostWater Storage You Might Also Like Sample Preservation January 18, 2017 How to Study for Water Treatment License Exams – Part 2 of 10 July 9, 2018 Texas Water License Exam Prep 1 of 2 February 14, 2019 Post author:jay@americanwatercollege.org Post published:January 10, 2017 Post category:Certification Exams / Distribution / Water Treatment