Table 2 presents the distribution of households by source of water based on the survey. At least 40% of households obtain water outside the formal MWSS piped water connection system. The approximately 60% of the households who have MWSS connection, is lower than the officially reported MWSS service area coverage of about 70%. Almost 10% of households with MWSS connections supplement their water supply through tubewell pumps and private water vendors. They are part of the 10% of households relying on 2 or even 3 sources of water. A few others have installed booster pumps, particularly among high income families suffering from low or moderate water pressure. In small pockets of areas in Manila proper, Makati, and Quezon City, 6% of households have both water and sewerage connection from MWSS. Besides MWSS consumers, another 10% of households have piped water connections using private waterworks systems and deep or shallow tubewells.These households are mostly found outside the MWSS service area.
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