Srilanka-Places.com has listed approx 30 Sewage treatment plants in Sri Lanka. Some of the Top rated Sewage treatment plants in Sri Lanka are- Sewerage Treatment Plant NWS&DB, Kandy City Waste Water Treatment Plant, Maligawatta Sewage Pumping station, Hikkaduwa Sewage Treatment Plant, CMC Pumping Station, Global Water Solution, Kalinga Mawatha sewage pumping station, JAICA PII Project Office, Starbag AG & Mattala Sewage Treatment Plant.