🌧️ CM Vijay Inspects Okkiyam Maduvu Flood Works in South Chennai

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With the northeast monsoon approaching, Chief Minister C. Joseph Vijay inspected flood-prevention works at Okkiyam Maduvu in Karappakkam, Sholinganallur taluk, on Wednesday, October 14, 2026 — the main outlet that carries south Chennai’s floodwater to the sea (Daily Thanthi, Oneindia Tamil, Maalai Malar).

Why Okkiyam Maduvu Matters

Surplus water from south Chennai’s lakes passes through the Pallikaranai marsh and reaches the sea only through Okkiyam Maduvu, the South Buckingham Canal and the Muttukadu estuary. When this route was blocked during Cyclone Michaung in December 2023, residents of Velachery, Pallikaranai, Medavakkam, Perungudi, Thoraipakkam and Sholinganallur were stuck in floodwater for days (Daily Thanthi).

Works Done

• The Water Resources Department has desilted, deepened and widened Okkiyam Maduvu, clearing sand so the channel is about 8 metres wide for smooth flow (Oneindia Tamil).
• A flood protection wall has been built to protect homes in areas such as Kannagi Nagar, and the banks have been strengthened.
• The old Karappakkam bridge, whose waterway was under 70 metres and long a bottleneck, is being replaced by Chennai Metro Rail Limited with a high-level bridge with a 120-metre waterway.
• Water hyacinth, weeds, silt and waste are being cleared from the entire South Buckingham Canal from Adyar to Sholinganallur, and from the drains of the Velachery, Narayanapuram, Adambakkam and Kovilambakkam lakes, using floating machines and heavy equipment.
• Surplus canals in Tambaram and Pallavaram have been cleaned, sluice gates are being maintained, and the Muttukadu estuary mouth is opened every month so floodwater drains quickly to the sea (Daily Thanthi).

The Chief Minister’s Instructions

• Finish all works quickly, before the northeast monsoon intensifies.
• Keep machinery ready in vulnerable areas.
• Monitor water levels day and night.
• The Water Resources Department, Greater Chennai Corporation and Chennai Metro Rail must work in coordination.

Who Was There

Ministers N. Anand (Rural Development and Water Resources), Aadhav Arjuna (Public Works and Sports Development), P. Venkataramanan (Food and Consumer Protection), Rajmohan (School Education, Tamil Development, Information and Publicity), N. Marie Wilson (Finance) and R. Kumar (AI, IT and Digital Services), Sholinganallur MLA Saravanan, Additional Chief Secretary Gagandeep Singh Bedi, Water Resources Secretary Prashant M. Vadnere and Chennai Corporation Commissioner Sameeran took part (Daily Thanthi, Oneindia Tamil).

The inspection followed the foundation-stone ceremony for the ₹3,108 crore Chennai Ring Main project at Sholinganallur the same day, and builds on the monsoon preparedness reviews the Chief Minister has held since September.

Sources: Daily Thanthi; Oneindia Tamil; Maalai Malar; Social News XYZ.

Northeast Monsoon Flood Prevention Okkiyam Maduvu Pallikaranai South Chennai Day 157