Crews will break ground today on a $13 million project aimed at improving water quality in the Los Angeles River andArroyo Seco. The Low Flow Diversion project was designed by the firm Santec in collaboration with the Los Angeles Department of Public Works Bureau of Engineering and LA Sanitation & Environment. Crews will construct new infrastructure to divert dry-weather flows from the storm drains and into existing sanitary sewers and the Hyperion Water Reclamation Plant.