Distribution System Any connection between a potable water system and another fluid system through which contamination could enter the potable water system. Tags: Backflow Prevention Devices, Certification Exam Prep, Cross-connection, Distribution System, Wastewater Treatment Read more articles Previous PostIron and Manganese Next PostLime Softening You Might Also Like How To Get Your Texas Class B Water Operator License (part 1) June 18, 2018 Texas Water License Exam Prep 1 of 2 February 14, 2019 Backflow Prevention Devices January 20, 2017 Post author: Post published:January 27, 2017 Post category:Certification Exams / Distribution / Water Treatment