Department of Water Resources Has installed an early warning system for areas prone to flood-landslide in slopes and hilly plains. Starting from fiscal year 2005 to 2015, a total of 1,546 alarm systems have been installed, covering 4,911 risky villages, and are currently working to install at least 250 alarm systems in fiscal year 2020 covering risky villages. Number of not less than 571 villages as a mechanism for monitoring the situation. Surveillance and warning against flash floods. By measu