sentences:  The working group on Indonesian's national policy on water supply and sanitation is co-operating with BORDA and its local NGO partners as the main supporting network for community-based sanitation (CBS) with more than 500 implementations - including school-based sanitation and 14 DESWAM until the end of 2010.Local NGO partners are Balifokus, LPTP (Lembaga Pengembangan Teknologi Pedesaan - Center for Community-Based Environmental Technology) and B.E.S.T.In the Philippines, BORDA is co-operating with BNS Philippines to introduce DEWATS as a viable option for waste water and environmental health problems in urban areas.