DENR National Capital Region through its West Field Office (WFO) partakes with the office of Assistant Secretary Daniel Darius M. Nicer and representatives from the DENR-Ecosystem Research and Development Bureau (ERDB) in the conduct of water flow study to determine the sources and direction of floating garbage along Baywalk area.

The Ecosystems Research and Development Bureau (ERDB) is the principal research and development (R & D) unit of the Department of Environment and Natural Resources (DENR). Its R & D and extension activities are focused on the five major ecosystems of the Philippines which include forests, upland farms, grassland, and degraded areas, coastal zone, and freshwater, and urban areas.