| abstract |
(57) [Summary] [PROBLEMS] To enable water quality improvement treatment to be performed efficiently and appropriately at low cost. SOLUTION: A water treatment apparatus A is floated in a water area targeted for water treatment, In addition, by moving the water treatment device A, the position where the water quality is improved is changed. Preferably, the water treatment device A is provided with a propulsion device, and the water treatment device A is moved by remote control using the propulsion device. Further, the water treatment device A is provided with a water quality inspection device, and the data of the water quality inspection performed by the water quality inspection device is transmitted to the monitoring device. |