Water treatment system

The utility model discloses a water treatment system which can produce water sources meeting the standard of drinking water and is characterized by being capable of obtaining high-quality drinking water through sterilizing treatment. The water treatment system comprises a desilting basin, a vacuum water diversion tank, a manganese sand filter, an ultrafiltration water tank, a primary reverse osmosis device and a drinking water storage tank which are arranged in sequence, wherein a water diversion channel is connected in front of the desilting basin, a flocculating agent tank is arranged on the water diversion channel, and a sodium hypochlorite sterilization tank is also arranged on the water diversion channel in front of the desilting basin. Due to the arrangement of the sodium hypochlorite sterilization tank, sodium hypochlorite can be supplied for the system, and the sodium hypochlorite with strong oxidizability can effectively kill bacteria in raw water so as to enable a water source treated by the water t