May 10 ----- THE Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa) said the water level in five major dams in Luzon continues to drop.
These dams are Angat and Ipo in Bulacan, La Mesa in Quezon City, San Roque in Cordillera, and Caliraya in Laguna. As of 6 a.m. Tuesday, Angat Dam's water level was 193.72 meters, 0.18 meters lower than its 193.90-meter level on Monday. The reservoir supplies about 90 percent of the raw water requirements for Metro Manila through the facilities of the Metropolitan Waterworks and Sewerage System. It also irrigates about 28,000 hectares of farmland in Bulacan and Pampanga. The water level at Ipo Dam decreased to 98.89 m or a slight 0.01 m lower than the previous 98.90 m level.
Angat Dam's normal high water level (NHWL) is 210 m while Ipo Dam's is 101 m, Pagasa said. Ipo Dam is part of the Angat-Ipo-La Mesa water system, which also supplies water to the National Capital Region or Metro Manila. From 76.88 m Monday, the water level at La Mesa Dam also decreased, although at a slight 0.03 m. Meanwhile, San Roque Dam's level dipped to 231.92 m, 0.40 m lower than Monday's 232.32 m. It is now 5.31 m lower than the 237.23 m rule curve elevation or the level required to supply water and perform other functions.
Caliraya's level went down to 286.89 m, or 0.41 m lower than the previous 287.30-m level, the weather bureau said. Pagasa said the water levels in Ambuklao Dam in Benguet and Magat Dam in Isabela also dropped by 0.25 m and 0.26 m, respectively. On one hand, Pantabangan Dam in Nueva Ecija and Binga Dam in Benguet reported increases in water level, but these were below the normal level. Last week, Pagasa issued an El Niño alert based on its forecast of an 80-percent probability of the occurrence of the phenomenon from June to August this year.
Source: manilatimes.net
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