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 Texas Class D Water System Operator Requirements June 16, 2017 Peristaltic Pump January 17, 2017 How to Calculate Detention Time – Water Treatment Math June 21, 2017 Post author: Post published:January 10, 2017 Post category:Certification Exams / Distribution / Water Treatment