Tamil Nadu State Coastal Zone Management Authority has been constituted by the Ministry of Environment, Forests and Climate change, Government of India in exercise of the power conferred under sub-section (1) and (3) of section (3) of the Environment (Protection) Act, 1986 to regulate and perform the function as stipulated in CRZ Notification 2011.

The Authority has the mandate to take measures for protection and improving the quality of the coastal environment. The mandate also includes preventing, abating and controlling environmental pollution in the Coastal Regulation Zones (CRZ) of Tamil Nadu State.

The Authority is conferred with the powers to examine the proposals for change or modification in the classification of coastal regulation zone, enquire into cases of alleged violation of the provisions of the Environment Protection Act and to review the cases involving violations of the provisions of CRZ Notification 2011.