In 2007, a major portion of the Pallikaranai marshland was declared a reserve forest area and brought under the Tambaram range of the Forest department. The swamp is helpful in charging the aquifers of the region.
In 2007, a substantial part of the Pallikaranai marsh was declared a protected forest area and incorporated into the Tambaram forest division managed by the Forest department. This wetland plays a crucial role in recharging the aquifers of the surrounding area.