The invention discloses a six-bin water sampler. The six-bin water sampler comprises a support, a control system and six sampling devices and is characterized in that the support comprises a verticalsupport rod, a first horizontal beam connected with the support rod and two second horizontal beams respectively connected to two ends of the first horizontal beam and is characterized that two sampling devices are fixedly arranged on the upper portion of the support rod, and one sampling device is fixedly arranged at each of two ends of each second horizontal beam; the control system comprises acontrol cabin fixedly arranged on the support, the control cabin is a cylinder with two sealed ends, a power supply and a programmable controller are arranged in the control cabin, one end of the control cabin is provided with a temperature sensor and a water depth sensor which are electrically connected with the programmable controller, the six sampling devices are electrically connected with theprogrammable controller, and the programmable controller can control the automatic closing of the sampling devices. The six-bin water sampler is capable of greatly increasing water sampling efficiency, capable of guaranteeing water sampling safety and capable of achieving automatic sampling in the measuring range of the water depth sensor.