Pambansang Pangasiwaan ngTubig at Alkantarilya(NATIONAL WATERWORKS AND SEWERAGEAUTHORITY! REPUBLIC OF THE PHILIPPINESNATIONAL WATERWORKS AND SE^TRAGE AUTIIORrTY arrGceros street,MANILA,•ItESOT.(；TlOX NO.75-71Resolved, That Resolutionis hereby confirmed as corrected, to read as laws:No. 51-71 beand fol-Resolution No. 51-71SEWER USE REGULATIONSWhereas, Manila Metropolitan Area has grownco^ciderahly since the end nf World War II. 邮h in population, housing, and industrialization, with the result tliat the present sewerage system Serving1 the area is now grossly inadequate and 片ryes only - about twelve percent of the popu­lation ;Whereas, a Project Master Plan foi, a Sewer­age System for Manila Metropolitan Area has been, prepared and its implementation has for its purpose the prevention of pollution and unhealth- and unsanitary conditions resulting, from im­proved waste water disposal and the construction of individual waste watec disposal facilities;Whereas, for th...