Patent ID: 7514006

Claim:
A lightweight water treatment system for purifying water in a field environment comprising: a water treatment agent for treating a predetermined volume of water maintained within a collapsible elongated container; the collapsible elongated container including; a fill line indicator disposed near a first end of the collapsible elongated container for defining the predetermined volume of water; an internal storage volume for maintaining the predetermined volume of water; the internal storage volume including a headspace of air occupying at least 5% of the internal storage volume when the collapsible elongated container is filled with water to the fill line indicator; a wide mouth port in communication with the internal storage volume provided at the first end of the collapsible elongated container for receiving the predetermined volume of water to be maintained within the internal storage volume of the collapsible elongated container; a sealing member disposed between the fill line indicator and the first end of the collapsible elongated container for maintaining the volume of water within the internal storage volume; a second end of the collapsible elongated container for receiving sediment settling out of the predetermined volume of water maintained within the internal storage volume; a spigot in communication with the internal storage volume for controllably releasing at least a portion of the water maintained within the internal storage volume of the collapsible elongated container; and, at least one strap coupled to the collapsible elongated container for transporting the collapsible elongated container.