Engineers inspect water filter facilities in Davao City

An undated photo show engineers from the Davao City Water District in Mindanao inspecting the slow sand filter facilities in Malagos as part of the DCWD’s regular inspection tours. The filters help ensure the quality of water coming from the Malagos River, from which local residents draw for their daily needs. (Mindanao Examiner / Contributed photo by Edmarson Sola)