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Centre of Excellence for Water and Sanitation.
10, Egodahena Road, Ratmalana.
Tele: +94 11 26 32 355
Hotline+94 0713355937
Fax: +94 11 26 26 176
Email: cewas.nwsdb@waterboard.lk | Web: www.cewas.nwsdb.lk