In accordance with the requirements of the Office of the Work Safety Committee of the State Council on further improving the identification of major accident hazards in tunnel engineering, and taking into account the actual conditions of the water conservancy industry, the Department of Supervision of the Ministry of Water Resources organized the revision of the "Guidelines for the List of Major Accident Hazards in Production Safety of Water Conservancy Projects (2021 Edition)" and formulated the "Guidelines for the List of Major Accident Hazards in Production Safety of Water Conservancy Projects (2023 Edition)". The full text is as follows.