(UPDATE) SAN MANUEL, Pangasinan — The San Roque hydroelectric power plant here shifted to a "must-run" mode to lower the water level in its reservoir ... released from the dam is 618.48 cms ...

According to the San Roque Power Corporation's website, the dam's reservoir has a holding capacity of 525 million cubic meters of water when it is at its normal water level of 280 masl.