கோயம்புத்தூர் நேரலை - இது கோவையின் இதயதுடிப்பு

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Oct 5, 2009

Rain brings copious inflow


Torrential rain over the last few days has led to copious inflow in the Pilloor and Siruvani dams that provide drinking water to Coimbatore city and the suburbs. Heavy inflow filled up the reservoirs in the Parambikulam-Aliyar Project zone also.On Sunday morning, there was a discharge of 3,000 cusecs from Pilloor Dam. It came down to 500 cusecs in the evening. People living along River Bhavani in Mettupalayam sub-division in the district were warned of a spate and asked to move to safer places.

Officials said Upper Bhavani recorded 120 mm rain till 8.30 a.m. on Sunday. If there was more heavy rain, the discharge from the dam would go up. Filled to its capacity of 1,568 million cubic feet, the dam provided hopes of a comfortable water supply in the city and suburbs.Water was overflowing from the Siruvani Dam also – the other water source for one half of the city and suburbs west and south of it. Tamil Nadu Water Supply and Drainage Board Executive Engineer (Siruvani Division) P. Gopalakrishnan said this was the third time this year water overflowed from Siruvani Dam. “Two to three days of heavy rain led to yet another overflow,” he said. The dam recorded 122 rain.

Water overflowed from Sholayar Dam in the PAP zone. Heavy rain raised the storage to the full reservoir level of 160 ft on Saturday midnight. Now, the surplus water was going to Parambikulam reservoir. The water level was just a few inches from the full reservoir level of 72 ft.

The water level in Aliyar Dam stood at 117.90 as against the FRL of 120 ft. The water level in the other reservoirs were (with FRL in brackets): Amaravathy- 57.37 (90) and Thirumurthy – 33.15 (60).Rainfall (in mm): Sholayar-99, Parambikulam-88, Aliyar-25, Upper Nirar-69, Lower Nirar-50, Upper Aliyar-2, Kadamparai-9, Pollachi-5, Thoonakadavu-98, Peruvaripallam-111, Makinampatty-9, Navamalai-2, Valparai-36 and Sarcarpathy-8.

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