Presidential Decree No. 2007_0012 promulgating the Philippine National Standards for Drinking Water 2007.

These Philippine National Standards for Drinking Water 2007 are issued to protect public health, safety and welfare by ensuring quality standards of drinking water.
The Standards shall apply to all waterworks officials, developers and operators of water supply systems both government and private entities, water refilling station operators, water vending machine operators, ice manufacturers, all establishments and institutions that supply or serve drinking water, drinking water laboratories, health and sanitation authorities, the general public and all other concerned.