Receding Dam Water Level ‘Normal’

MANILA, Philippines - The receding water level in the San Roque Dam in Pangasinan should not be a cause for alarm because it is normal at this time, a state hydrologist said yesterday.

Danny Flores, a hydrologist of the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), said the water level in major dam reservoirs "are generally receding during the summer season."

San Roque Dam provides 345 megawatts of power and irrigation to 12,000-34,450 hectares of agricultural land in Pangasinan.

The elevation of the reservoir has reached 236.08 meter above sea level (masl) as of 6 a.m. on Wednesday, or 2.47 masl below its normal operation rule curve.

It is also lower by 0.01 m from the 236.09 masl last Tuesday.

"The water decline in San Roque Dam is only minimal because of some rains over the watershed area," Flores explained.
Meanwhile, he noted that the dam's water level "will soon be recharged" during the rainy season.

"When the watershed is saturated, water will be supplied to the dam," he said.

During the "flood" season, Flores said the San Roque Dam's capacity is about 280 masl.

Other major dams in Luzon being monitored by PAGASA -Angat (Bulacan), Ipo (Bulacan), La Mesa (Quezon City), Ambuklao (Benguet), Binga (Benguet), Pantabangan (Nueva Eci¬ja), Magat (Isabela), and Caliraya (La¬guna) - have normal water levels.

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