“We start with one gallon,” NWRB executive director Sevillo David said in an interview on Super Radyo dzBB, heard nationwide.
The NWRB is the leading government agency for the water sector in the Philippines, regarding water resources and potable water; it is conferred with policy-making, regulatory and quasi-judicial functions within the government.
David said that if all the Angat Dam water consumers—by his count 12 million people—conserved four liters a day, the savings would be equivalent to 48 million liters daily.
The NWRB reported on Friday that Angat’s water level was at the 180.73-meter mark.
Given the rate of decline in the last two months, it would hit below 180 meters this weekend, and by end-May it is projected to hit the 170-meter level.
Angat Dam supplies 96 percent of Metro Manila’s tap water needs.
Apart from conservation, David said the government should also adjust allocation, activate deep wells, and conduct cloud seeding operations as contingency measures to keep the water supply in check amid the effects of the weak El Niño which may last until the end of the year.
Meanwhile, Angat Dam will retain its irrigation water allocation of 10 cubic meters per second (cms) in May, even if its dipping water level breaches the minimum operating level (MOL) of 180 meters before that month.
This is to ensure the availability of irrigation water for rice farms in Angat’s service areas in Bulacan and Pampanga provinces that have not yet harvested their crops, NWRB engineer Bea Soriano said Friday.
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