A lightweight water treatment system which can be easily distributed and employed by disaster survivors for treating locally available water sources. The lightweight water treatment system includes a water treatment agent for treating a predetermined volume of water collected from a local water source; a collapsible elongated container for collecting the predetermined volume of water; one or more straps to transport the collapsible elongated container to a suitable location for treating the collected water with the water treatment agent and a spigot for controllably releasing the treated water.