Hydraulics The amount of energy water has due to its elevation, measured in feet. Also referred to as potential energy. Tags: Certification Exam Prep, Distribution System, Elevation Head, Hydraulics, Water Treatment Read more articles Previous PostSource Water Next PostAdvanced Treatment You Might Also Like How to Calculate Price Per Day October 25, 2017 Water Treatment and Distribution System January 17, 2017 How to Calculate BOD Removal Efficiency – Wastewater Math June 22, 2018 Post author: Post published:February 2, 2017 Post category:Blog / Certification Exams