Emergency response actions are classified into four levels according to the severity and scope of water and drought disasters.Level I and level II emergency response operations shall be ordered by the commander, and level III and level IV emergency response operations shall be ordered by the commander or deputy commander.Below, JOESCO Bastion

will take you to study together:

1. If one of the following situations occurs, it is an i-level response:

(1) one major flood in one river system in more than 50 years;

(2) one major flood in two or more river systems in 20 to 50 years;

(3) the main flood discharge channel reaches the guaranteed water level, and serious danger occurs in the embankments of important river sections;

(4) two or more flood storage and detention areas are activated;

(5) serious danger in large or key medium reservoirs;

(6) two were used for the occurrence of severe drought on the market;

(7) two or more large and medium-sized cities experienced severe drought.