The Echelon water treatment process guide walks through coagulation, flocculation, sedimentation, filtration, disinfection (chlorination, UV, ozone), chemical feed, iron and manganese removal, and finished-water storage using interactive SVG diagrams.
Every diagram links to the underlying practice questions in the Class 1–4 Water Treatment courses. When you hit a topic that's unclear, jump to targeted practice and come back.
Continue to the wastewater treatment guide or explore the distribution guide.