Patent ID: 8114298

Claim:
A system for treating water to provide potable water, comprising: a supply of chemical agent selected from halogen generating agents, the chemical agent being capable of treating untreated water to provide potable water when a water treating agent comprising an aqueous solution of the agent is interacted with untreated water; a supply of water; a water treating agent preparation and dispensing device connectable to an untreated drinking water source, the water treating agent preparation and dispensing device being configured for preparing discrete and consecutive control volumes of the water treating agent from the supply of water and the chemical agent, and for dispensing the water treating agent thus prepared from the water treating agent preparation and dispensing device to the untreated water source for enabling untreated water in the untreated water source to be treated thereby to provide potable water; wherein the water treating agent preparation and dispensing device is configured for preparing a next control volume of the water treating agent after a current control volume of the water treating agent has been dispensed thereby.