The reservoir was originally a small tank with a capacity of 500 million cubic feet (mcft) and two masonry weirs, built using locally available laterite stones, then functioned as surplus weirs to release excess water from the water body.

Water treatment plant and Pulhal Central prison is located in the east part of the reservoir and has the highway road to reach CMBT and North Chennai.

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.

The road on top of the bund will also be widened by 1 m.[4] 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.

[3] On 1 December 2015 Pulhal also recorded 320mm, the highest volume of rainfall flowing overnight rain in the history.