Cua Dat Reservoir is included in the List of important works related to national security.

On December 2, Deputy Prime Minister Tran Hong Ha signed Decision No. 1502/QD-TTg on including 3 irrigation works in the List of important works related to national security.

Main dam of Cua Dat irrigation project (Thuong Xuan).

Accordingly, three irrigation works: Cua Dat Reservoir, Thanh Hoa Province; Ta Trach Reservoir, Thua Thien-Hue Province; Dau Tieng Reservoir, Tay Ninh, Binh Duong, Binh Phuoc Provinces are included in the List of important works related to national security.

The Deputy Prime Minister assigned the Ministry of Public Security to preside over and coordinate with relevant ministries, branches and localities to develop protection programs and plans, propose and implement protection measures, organize prevention and combat against acts of violating the security and safety of the works; deploy forces and means to meet the requirements of ensuring security and safety for the works during the management and exploitation process; Strengthen coordination, information exchange, unify the issuance of licenses and inspect the implementation of operating licenses within the protection scope of important works related to national security according to the provisions of Ordinance No. 32/2007/PL-UBTVQH11 dated April 20, 2007 of the Standing Committee of the National Assembly, Decree No. 126/2008/ND-CP dated December 11, 2008 of the Government detailing and guiding the implementation of a number of articles of the Ordinance on Protection of Important Works Related to National Security and Resolution No. 104/NQ-CP dated November 14, 2019 of the Government handling difficulties in the management, exploitation and protection of important irrigation reservoirs related to national security; estimate costs, set additional markers (if necessary) within the protection corridor.

The Ministry of Agriculture and Rural Development and the People's Committees of Thanh Hoa, Thua Thien-Hue, Tay Ninh, Binh Duong and Binh Phuoc provinces shall coordinate with relevant ministries, branches and localities to grant licenses and manage the activities of organizations and individuals within the scope of protecting important works related to national security in accordance with the provisions of law on irrigation, protection of important works related to national security, water resources, environment and Resolution No. 104/NQ-CP dated November 14, 2019 of the Government.

The scope of the protection corridor of Cua Dat reservoir project, Thanh Hoa province is regulated as follows:

Main dam: Upstream, the protection range is 300m from the upstream dam foot towards the reservoir; downstream, according to the limit within the coordinates from CD01 to CD60.

Spillway: Upstream, the protection range is 300m from the head of the upstream channel towards the reservoir; downstream and spillway shoulders are limited within the coordinates from CD01 to CD60.

Auxiliary dam: Upstream, the protection range is 300m from the upstream dam foot towards the reservoir; downstream, within the coordinates from DC01 to DC32, from HC01 to HC42 and from BT01 to BT18.

Intake culvert: Upstream of the culvert, the protection range is 300m from the outermost point of the downstream wall towards the reservoir; downstream of the culvert, the protection range is 300m from the end point of the downstream wing wall towards the downstream.

The height limit of the above-ground part and the protection range is 45m from the natural ground level. The depth below ground level and the protection range is from the dam crest elevation +121.3m down to elevation 0m (according to the foundation depth of the headworks).

Scope of the reservoir and surrounding area of Cua Dat reservoir: The protected area of the reservoir is ^36.84km2 corresponding to the dam crest elevation of +121.3m downwards towards the reservoir.

Source: https://baothanhhoa.vn/ho-chua-nuoc-cua-dat-duoc-dua-vao-danh-muc-cong-trinh-quan-trong-lien-quan-den-an-ninh-quoc-gia-232185.htm