Sajimeera,RPrabagar,JAnoja,NKumuthini,A2026-09-212026-09-212026-05-02ISSN 1012 - 8999https://dr.ichemc.ac.lk/handle/123456789/501Abstract No: 2025_429 Page No 91This study assesses the comparative evaluation of ozone and chlorine treatment for improving the physicochemical and microbiological quality of surface water from Dry Aru , Sri Lanka.enChlorine TreatmentOzone TreatmentSurface WaterOxidation Reduction Potential (ORP)Evaluation of Pre-Oxidation Strategies for Surface Water TreatmentA Case Study of Dry Aru, Kilinochchi District, Sri LankaArticle