Tamil Nadu

Desalination plant near Gulf of Mannar Marine National Park to get CRZ clearance – India

The Tamil Nadu Water and Drainage Board’s (TWAD) proposal to set up a 60 MLD Sea Water Reverse Osmosis (SWRO) plant at Kuthiraimozhi village in Ramanathapuram has been recommended for CRZ clearance by the Expert Appraisal Committee (EAC) of the Environment Ministry after a modified proposal was submitted.

The proposal was earlier not cleared owing to the location being within the eco-senstive zone of the Gulf of Mannar Marine National Park, to be precise, only 25 metres from its boundary.

The TWAD filed a modified proposal to the EAC for clearance submitting that the intake and brine disposal point has been shifted away the eco-sensitive area.

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South Chennai to get water from alternative sources – India

Chennai Metrowater is drawing additional water from Chembarambakkam reservoir to maintain piped water supply in south Chennai to offset the gap in distribution following the shutdown of the desalination plant in Nemmeli.

The water agency stopped supply from the desalination plant since Tuesday.

The plant has a capacity to supply 100 million litres a day to various parts of south Chennai. It has, however, resumed piped water supply with alternative sources from waterbodies in Chembarambakkam and Veeranam.

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Water supply in south Chennai to be affected – India

Piped water supply to several areas in south Chennai may be affected for 15 days, from March 17, as Chennai Metrowater plans to take up work at the Nemmeli desalination plant, that has a capacity to treat 100 million litres of seawater a day.

The water agency will fix the travelling band screen, a self-cleaning screen in the seawater intake structure, at the desalination plant. The work will be taken up between 6 a.m. on March 17 and 6 a.m. on April 1.

Due to the work, piped water supply to areas 9, 13, 14 and 15 will be affected. The localities include Thiruvanmiyur, Kottivakkam, Perungudi, Adyar, Velachery, Besant Nagar, Mandaveli, Sholinganallur and Neelankarai.

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250 water bodies in TN’s industrial estates to be restored with IIT-M help – India

With a view to de-risking industries from water shortage, the Tamil Nadu government has decided to rehabilitate around 250 water bodies lying currently in disuse in the various land parcels owned by the state’s industry promotion body, SIPCOT.

The state government is taking the help of the Indian Institute of Technology, Madras for this purpose, N Muruganandam, Principal Secretary ,Industries department , Government of Tamil Nadu, said today.

“With the restoration of these water bodies along with the planned tertiary treatment and desalination water plants, the industry can be fully assured that there would never be a water shortage problem even in the worst of droughts,” Muruganandam said, speaking at the annual conference of the Tamil Nadu Chapter of the Confederation of India Industry.

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Woes watered-down – India

CHENNAI: On Tuesday, CE reported that due to the lack of water supply in the tenements at Perumbakkam Resettlement Colony, a group of people including 50 women from the Colony stood outside the Tamil Nadu Slum Clearance Board (TNSCB), staging a protest, demanding basic needs including water. Soon, in response to the call of the residents, the TNSCB officials resumed water supply and told CE that they will ensure no further problem arises.

In line with the perennial water woes at the Resettlement Colony, the Slum Board officials have decided to soon increase the quantum of water being supplied to the tenements. In four months’ time, by when the construction of 14 more blocks will get over, the Slum Board officials said they will request the Metro Water Board to provide more water according to the needs.

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Chennai takes new strides towards water security – India

After undergoing one of the worst water crisis in its history, Chennai bounced back to come up with milestone projects that could make the city water secure in the long run.

With the four major reservoirs that supply drinking water to Chennai going bone dry and deficit rains during 2018, the city’s water supply was reduced 525 million litres a day (mld). It was one of the first Indian cities to run dry early this year.

As taps stopped flowing and water became a premier commodity, residents looked deeper into the ground and sunk borewells up to a depth of 600 feet. In June, the average groundwater table in the city declined by a staggering nine metres.

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Work on a third desalination plant in Nemmeli to begin by October-end – Asia

Work on constructing a third desalination plant at Nemmeli, along East Coast Road, is set to begin by the month-end.

The new plant, with a capacity to treat 150 million litres of sea water a day (mld), will come up on a 10.5-acre space on the same premises as the earlier 100-mld plant.

Metrowater officials said materials had been sought for the work to commence. The new plant too will employ the reverse osmosis process. But it will have additional components in the pre-treatment process such as dissolved air flotation and ultra filtration, to keep out sea algae and other particles in seawater from hindering the production process.

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Over Rs 6k crore sanctioned for Perur desalination plant – India

The State government has sanctioned Rs 6,079 crore for establishing a 400-MLD reverse osmosis desalination plant at Perur on the East Coast Road, according to the GO issued by the Municipal Administration Department last week.

The funds were sanctioned to give effect to the recent announcement made by Chief Minister Edappadi K Palaniswami under Rule 110 in the Assembly.  The plant, being set up to meet the increasing water demands in Chennai city, is funded by the Japan International Cooperation Agency.

The JICA will give Rs 4,267.70 crore in two tranches – i.e., Rs 1,744.40 crore as Transche-I and the balance as Tranche-II. The operation and maintenance cost for 20 years is estimated at Rs 20,174.14 crore and the land lease cost at Rs 82 crore for 30 years; that is, Rs 1,000 crore per annum, on an average.

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Chennai’s wait for Krishna river water gets longer – India

Krishna’s water supply to Chennai remains as elusive as ever, as it will take 10-15 days for the city to start receiving its share, said officials from the Water Resource Department (WRD).Though the two main reservoirs across Krishna river in Andhra Pradesh, Srisailam and Somasila, have crossed the mark of transferrable water levels, the third reservoir, Kandaleru is still not full.

As on Wednesday, Kandaleru had stored 3.6 thousand million cubic feet (tmcft) of water while 6.4 tmcft is needed to transfer water to the city.

Officials said 6,000 cusecs of water is currently being routed from Somasila to Kandaleru reservoir.

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Four new 640MLD desal & RO plants will end Chennai’s water woes: Minister – India

CHENNAI: The Tamil Nadu government will ensure Chennai city has a permanent water supply capacity of 870 million litres a day (MLD) in the next five years by constructing two more desalination plants of 150 MLD and 400 MLD at Nemmeli and Perur and two 45 MLD tertiary treatment reverse osmosis plants, municipal administration minister S P Velumani announced on Friday.

Addressing the Times of India water conclave aimed at making Chennai water positive, the minister said 260 MLD of waste water would be recycled and diverted to industries to replace the potable water supplied now. Besides new sources such as the Thalakanacheri quarry, Nallambakkam quarry and Pulipakkam quarry with a potential of 60 MLD had been identified. The feasibility study for extraction of water from these sources was on.

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