Mandaluyong City / Las Piñas City / Departments Caloocan City / Taguig City / Pasay City / Parañaque City / Malabon City / Valenzuela City / Quezon City / San Juan / Pasig City / /
Company
Regulatory Office Environmental Management Bureau Manila Water Company Inc. / National Water Resources Board LGU Water Laboratories / Maynilad Water Services Inc. / Manila Health Department-Public Health Laboratory / / /
Organization
Makati City Water Laboratory Makati Health Department / Marikina Clean Food LaboratoryMarikina Health Department / Metro Manila Drinking Water Quality Monitoring Committee / /
Person
IRMA L. ASUNCION / VI OIC / Metro Manila / Metro Manila Drinking / / /
METRO MANILA DRINKING WATER QUALITY MONITORING COMMITTEE