1. KALAKKAD MUNDANTHURAI TIGER RESERVE
2. COASTAL REGULATION ZONE
The CRZ Notification, 2011 clearly lists out the areas that fall within the category of CRZ-I. No new construction shall be permitted in CRZ-I. It includes: – Ecologically sensitive areas and the geomorphologic features that play a primary role in maintaining the integrity of the coast and the area between Low Tide Line and High Tide Line.
The Notification defines CRZ-II as the areas which are developed up to or close to the shoreline and falling within municipal limits. Buildings are permissible on the landward side of the existing road, authorized structure or hazardous line where there are no authorized structures. Other activities such as desalination plants and storage of non-hazardous cargo are also permissible.
CRZ-III areas are those areas that are relatively undisturbed and do not fall under either in Category I or II and also include rural and urban areas that are not substantially developed. Only certain activities relating to agriculture, horticulture, gardens, pasture, parks, play field, forestry, projects of Department of Atomic Energy, mining of rare minerals, salt manufacture from seawater, facilities for receipt, storage, regasification of petroleum products and liquefied natural gas, facilities for generating power by non-conventional energy
sources and certain public facilities may be permitted in this zone.
The aquatic area from low tide line upto territorial limits is classified as CRZ-IV including the area of the tidal influenced water body. In CRZ-IV areas, there is no restriction on the traditional fishing and allied activities undertaken by local communities. However, no untreated sewage, effluents or solid waste shall be let off or dumped in these areas. A comprehensive plan for treatment of sewage generating from the city must be formulated within a period of one year from the date of issue of this Notification and be implemented within two years thereafter.