Surplus water from Ambattur lake otherwise travels through Pattaravakkam and Korattur, and drains into Korattur lake. From there, it flows into Otteri Nullah and Retteri lake through two weirs.

Residents of Korattur intensify protests against sewage pollution in Korattur lake, seeking restoration and protection from encroachments.

CHENNAI: The Water Resources Department (WRD) is monitoring the Ambattur tank on a pilot basis to track water levels and ...