Red Hills Lake: Lifeline of Chennai and Jewel of Tamil Nadu
Introduction Nestled in the Ponneri Taluk of Thiruvallur district in Tamil Nadu, Red Hills Lake locally known as Puzhal Lake or Puzhal Aeri stands as one of the region’s most significant rain-fed reservoirs. With a formidable storage capacity of 3,300 million cubic feet (mcft), it plays a vital role in meeting the drinking water needs of the bustling metropolis of Chennai. Alongside Chembarambakkam Lake and Porur Lake, Red Hills Lake ensures a steady flow of water to the city, embodying the synthesis of nature and human ingenuity. Historical Significance Constructed in 1876, Red Hills Lake was originally a modest irrigation tank with a storage capacity of just 500 mcft. Built using locally available materials like laterite stones, its two masonry weirs served as outlets for surplus water. These primitive structures were subsequently replaced by shutters, transforming them into enduring mechanisms for water retention. During British colonial rule, the lake's strategic imp...