exercises such as walking, running. High level Electric motors are used to inlet the water from the lake to the tank before the cleaning process. There are 11 Electric motor pumps located play an important role when the dry season is available for providing drinking water to the Chennai city. Water Seepage During the heavy rainfall in November/December 2015 water seepage occurred on 19 November 2015 on the two places of Pulhal lake near the weirs due to heavy storage in the water reservoir . Upgradation 2012 : Repairing process In June 2012, the WRD called for a tender for strengthening the reservoir at a cost of 101.6 million. Besides small repair to the shutters, filter arrangements on the slope of the bund will be made for 2 km. The road on top of the bund will also be widened by 1 m. The water level of the reservoir has been brought down to 10.46 ft to take up the project. The water body receives 300 cubic feet per second (cusecs) from Poondi canal to supply to the city. 2015 : Heavy Rainfall November/December According to Chennai metropolitan water supply and sewage board on 14 November 2015 rainfall in Pulhal reservoir has a storage of 2,228 million cubic feet as against its total capacity of 3,300 mcft and receiving an inflow of 1,196 cubic feet per second. Pulhal has lowest storage among the four reservoirs with 67.5 per cent of its capacity. On 1 December 2015 Pulhal also recorded 320mm, the highest volume of rainfall flowing overnight rain in the history. Discharge from the lake and maintain the water level two feet below the full level of 21.2 feet. Sand bags have also been placed in vulnerable areas along the surplus course such as Thandalkazhani, Vadakarai and Thiruneelakandan Nagar and Baba Nagar in Pulhal. People have also been warned of inundation. The surplus course of Red Hills travels for 15 km before joining the sea near Ennore creek. On 2 December 2015 Pulhal lake has recorded water inflow of 9607(cusecs) and outflow of 5470(cusecs), Which was the highest inflow and outflow of reservoir's history. Gallery See also Chembarambakkam Lake Sholavaram tank Poondi Reservoir Water management in Chennai References Lakes of Chennai Reservoirs in Tamil Nadu