Srilanka-Places.com has listed approx 212 Water treatment plants in Sri Lanka. Some of the Top rated Water treatment plants in Sri Lanka are- Ma-Oya Water Treatment Project, Water Treatment plant And Dam Vavuniya, Ruhunupura Water Treatment Plant Sooriyawewa, Panapitiya Dam, RAMBAKAN OYA WATER TREATMENT PLANT, Thuruwila WTP, DGN Knuckles Spring Water Plant, Wackwella Water Treatment Plant, Kantale Water Treatment Plant & Bambukuliya Water Treatment Plant.