Eco-friendly eco-friendly method that naturally cleans contaminated river water by using eco-system restoration method that restores natural ecosystem by always forming an ecosystem for ecosystem restoration

摘要

The present invention relates to an environmentally friendly method for naturally purifying polluted river water using an ecosystem restoration process by constantly forming a fishway for ecosystem restoration to purify polluted river water flowing to a river by forming a fishway for ecosystem restoration and discharging polluted river water flowing to the river after purifying it; and to maintain a predetermined amount of river water by preventing river water from being completely discharged through the bottom water discharge passage of a floodgate during a dry season.