Dam Safety

Tamil Nadu: Thalavanur check dam collapsed twice within a year

Thalavanur check dam collapsed[i] in morning hours of November 9, 2021. This is the second time the check dam has faced significant damages within a year of its construction. Before this, the same check dam broke down in January, 2021. The first collapse took place 5 months after its inauguration on September 19, 2020. Its construction was started in April 2019.

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Dams

Krishnagiri Dam Breach Is Wake Call For Dam Safety In Tamil Nadu And Elsewhere

On the evening of November 29, 2017, a shutter of Krishnagiri Reservoir Project[I] (KRP) dam in Krishnagiri district, Tamil Nadu has breached sounding flash flood alarm in downstream areas. The Collector C. Kathiravan has also put five districts of Krishnagiri, Tiruvannamalai, Dharmapuri, Vellore, and Villupuram on high alert following the sudden breach. The disaster management and rescue department have been called in to assess the situation. Leading a high level expert team Murugu Subramaniam Chief Engineer (CE) Public Works Department (PWD) responsible for operation and maintenance of the dam has also inspected the site which was followed by M Thambidurai. Deputy Speaker of the Lok Sabha.

Krishnagiri KRP Dam First Door Damage Viral Video

Interestingly KRP dam project is listed in the Central Water Commission’s national registry of large dams. It is also covered under Dam Rehabilitation and Improvement Project (DRIP) and there was an Emergency Action Plan (EAP) workshop at the dam site only in 2016. Surprisingly, the incident has occurred just a year after all the 8 shutters were repaired at a cost of ₹1.10 crore reports The Hindu.[II]

The flash flood would impact the downstream villagers particularly riverbed farmers. As the dam was storing water for rabi crops, the breach is also bound to affect dependent farmers. Worsening the situation further, India Meteorological Department (IMD) has warned of heavy rains in the state due to ongoing cyclone Ockhi.

In fact, the KRP dam breach has raised many questions and issues which need to be answered and addressed immediately.

Continue reading “Krishnagiri Dam Breach Is Wake Call For Dam Safety In Tamil Nadu And Elsewhere”