DEHRADUN: A temporary lake, nearly 400-500m long, has formed in the upper reaches of Harsil following the Aug 5 Dharali flash flood , raising concerns over a potential breach that could endanger downstream areas. With IMD warning of more rain in the coming days, officials said a sudden rupture could send a surge of water downstream, worsening the destruction already caused by the flood.
Efforts are now focused on controlled drainage to protect lives, and a 10-member team of geologists from various departments has been sent to Uttarkashi to assess the lake's stability and recommend safe discharge measures. On Monday, SDRF personnel used an electric saw to cut through a large tree obstructing the water's flow in an attempt to create an outlet. Garhwal commissioner Vinay Shankar Pandey confirmed that work had begun to drain the lake which formed on the Bhagirathi in Harsil.
IG SDRF Arun Mohan Joshi said the disaster-hit area has been divided into sectors for coordinated management. "A Lt Col from the Army is overseeing operations at the temporary lake in Harsil, with all necessary support being provided to ensure safe and smooth water discharge," he added.
During a review meeting on Aug 8, NDMA member secretary Rajendra Singh had instructed state officials to maintain constant surveillance of the lake and deploy a joint Army-state team to inspect and oversee safe water release.
Border Roads Organisation said the lake has submerged around 600m of the road from Harsil to Dharali near the Army camp. "We cannot assess the road damage until the water is drained. Repairs can only start after that," a senior BRO officer told TOI, adding that ongoing monsoon rains are worsening the risk and slowing restoration work. "On Monday, work had to be stopped at eight other sites due to heavy rainfall," the officer said.
Efforts are now focused on controlled drainage to protect lives, and a 10-member team of geologists from various departments has been sent to Uttarkashi to assess the lake's stability and recommend safe discharge measures. On Monday, SDRF personnel used an electric saw to cut through a large tree obstructing the water's flow in an attempt to create an outlet. Garhwal commissioner Vinay Shankar Pandey confirmed that work had begun to drain the lake which formed on the Bhagirathi in Harsil.
IG SDRF Arun Mohan Joshi said the disaster-hit area has been divided into sectors for coordinated management. "A Lt Col from the Army is overseeing operations at the temporary lake in Harsil, with all necessary support being provided to ensure safe and smooth water discharge," he added.
During a review meeting on Aug 8, NDMA member secretary Rajendra Singh had instructed state officials to maintain constant surveillance of the lake and deploy a joint Army-state team to inspect and oversee safe water release.
Border Roads Organisation said the lake has submerged around 600m of the road from Harsil to Dharali near the Army camp. "We cannot assess the road damage until the water is drained. Repairs can only start after that," a senior BRO officer told TOI, adding that ongoing monsoon rains are worsening the risk and slowing restoration work. "On Monday, work had to be stopped at eight other sites due to heavy rainfall," the officer said.
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