Filtration What is a typical filter run time for a high-rate filter system? Tags: Certification Exam Prep, Distribution System, Filtration, High-rate Filter, Water Treatment Read more articles Previous PostFire Hydrants & ValvesNext PostSource Water You Might Also Like How to Calculate Chemical Solution Concentration July 26, 2017 State Certification Information | California Wastewater Operator Certification Program July 13, 2018 Texas – California Water Treatment License Reciprocity June 14, 2018 Post author:jay@americanwatercollege.org Post published:January 19, 2017 Post category:Certification Exams / Distribution / Water Treatment