San Miguel Corporation (SMC) announced Friday, July 17, that it is nearing completion of its maintenance cleanup of the San Juan River, having removed more than 116,000 metric tons of waste and silt over the past 10 months to improve water flow and reduce flooding in San Juan, Manila, Mandaluyong, and Quezon City.SMC resumed its cleanup of the San Juan River in September after monitoring showed waste had accumulated in the waterway traversing Ma…