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Water Supply

City to get water from Siruvani soon

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The Hindu     07.02.2017

City to get water from Siruvani soon

TWAD Board, with approval from Kerala, to pump 20-30 million litres of water a day

Tamil Nadu Water Supply and Drainage(TWAD) Board will soon pump Siruvani water to the city. According to sources, the Board, with approval from the Kerala Government, will pump 20 - 30 million litres of water a day to the city.

It will pump the water from dead storage area on the Siruvani Reservoir’s bed to the fourth in-take valve (the lowest). From there the water will reach the city through the main supply line. And from the main storage reservoir in Bharathi Park, the Corporation will supply the water to the city’s residents.

The TWAD Board sources say that after it got the green signal, it has started taking steps to pump the water. It would take a day or two for the water to reach the Bharathi Park reservoir.

Corporation sources say that it will use the water to feed the residents in the five Siruvani-dependent areas - Wards 15, 18, 19, 20 and 21 - who are hitherto fed with lorries.

Meanwhile, the Corporation is in talks with owners of private water tankers to increase the water supply. Sources say that the civic body has at present engaged 12 lorries in the five wards. This is likely to go up in the coming days.

Alternatively, the Corporation has also planned to erect water tanks on lanes and by-lanes in the five wards.

A preliminary estimate suggests that the Corporation will have to erect up to 60 tanks to feed residents on the lanes and by-lanes, where lorries would not be able to reach them. The tankers will fill water in the tanks and from the tanks the residents will fetch water.

The sources say that this will also reduce the time taken by lorries to supply water and result in increase in number of trips. At present each lorry does about five trips a day.

The sources add that all this depends on the tapping of the Siruvani water. If it comes through then the situation will ease a bit.


Call for water budgeting, restoring waterbodies

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The Hindu       07.02.2017  

Call for water budgeting, restoring waterbodies

The city’s households spend a minimum of 3% of their monthly income towards water, particularly during drought conditions, to cope with the shortfall in piped water supply.

With the growing gap between demand and water availability, it is essential to have a water budget and develop a sustainable drainage system during urban planning, experts stressed here recently.

At a media workshop on ‘Floods, cyclone and drought: The puzzle of Chennai’s water and climate’, organised by Care Earth Trust, K.S. Kavi Kumar of Madras School of Economics said many households with piped water connection spend Rs. 553 per month towards water needs. Those without piped water supply spend Rs. 658 per month on the same.

People without municipal water supply spend nearly 6.2% of their monthly income towards sourcing water from the private sector. Citing various studies, he said besides implementing water metering system, the government sector must change the pricing strategy.

At present, the cost of water supply is nearly Rs. 13-15 per kilo litre. Economic incentives may be provided to encourage reduction in water use.

The need to increase the reservoirs’ capacity and boost groundwater recharge was also underlined during the workshop. Pointing out that the water demand of the expanding city is projected to increase to 2003 million litres by 2021, Balaji Narasimhan, Associate Professor, Department of Civil Engineering, IIT Madras, said it is imperative to restore waterbodies and demarcate their boundaries to store flood water. During land-use planning, it is essential to identify land to store excess runoff along with allocation of OSR land, he added.

Speakers also highlighted the recent extreme weather events due to climate change and emphasised the importance of restoration of wetlands as part of disaster management. While Uma Ramachandran of IFMR-LEAD spoke on how innovative methods were used in various sectors to help residents during December 2015 floods, Avantika Bhaskar of Care Earth Trust, spoke on the role of wetlands in storing floodwater and ensuring better groundwater quality.

Workshop on city’s water supply situation underlines the need to increase the reservoir capacity


Corporation plans to set up permanent treatment plant

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The Hindu       21.09.2016  

Corporation plans to set up permanent treatment plant

Aims at addressing complaints on water being discoloured in some parts of city

The Tiruchi Corporation has planned to establish a permanent treatment plant at the Coleroon Drinking Water Supply Augmentation Scheme to reduce the iron content in the water and address the persistent complaints on the water being discoloured in some parts of the city.

Ever since the water scheme was commissioned in 2014, there have been complaints from residents that the piped water supplied to them was muddy and discoloured. The scheme, sanctioned at an initial estimate of Rs.221.42 crore, was executed with financial assistance from the Japan International Cooperation Agency (JICA). The scheme aimed at increasing the per capita drinking water supply to 135 litres a day and ensuring equitable distribution to all parts of the city. Thirty-seven new overhead tanks were built under the new scheme

The new scheme has its source at the Coleroon River where collector wells have been built. The Corporation is currently said to be pumping about 30 million litres a day (MLD) from the scheme.

Residents in several pockets of the city have complained that were getting discoloured water ever since the corporation started pumping water directly from the new scheme. The iron content in the water is also said to be high. Councillors representing some of the wards in the areas have been raising the issue at the corporation council over the past few months.

Following this, the Corporation had taken up a pilot project to treat the water as the iron content was said to be slightly higher than the permissible level of 0.3 mg per litre.

Corporation sources said that under the pilot project the iron content had come down after the treatment process. Hence, the civic body has now planned to go in for a permanent treatment plant. The Corporation would soon call for expression of interest for drawing up the detailed project estimate for the project after obtaining approval from the Commissioner of Municipal Administration.

The proposal would be forwarded to the Commissioner of Municipal Administration after an official resolution is approved on the issue by the Corporation Council, the sources added.


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