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Water Supply

Heritage tag to protect large tanks in City

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Deccan Herald 19.12.2009

Notification needed to check rampant encroachments
Heritage tag to protect large tanks in City
Bangalore, Dec 18, DHNS:


City lakes with an expanse of 10 hectares or more are likely to be declared as ''heritage'' water bodies.


A State Government notification to the effect is just is imminent, with the Byramangala, Bellandur, Varthur and Madivala lakes to be given this tag in the first phase.

The Bangalore Developmental Authority (BDA), in its bid to fulfill the State Government’s ambitious lake rejuvenation project, is also on schedule to complete the work on 11 of the 12 lakes entrusted to them, by March 2010.

After inspecting all the 12 lakes here on Friday, the Chairman of the BDA Lake Development Advisory Committee, Dr Yellappa Reddy expressed his concern that the rampant encroachment of the water bodies would continue unabated if a notification to protect was not made. “The main reason for the notification on declaring these water bodies as heritage lakes is to protect them from encroachments. If this is not done then all efforts will simply be a waste,” he said.

The notification will also focus on preservation of wetlands to filter the sewage water released from the nearby residences and industries. Reddy said that the City had nearly 300 wetlands. “I will be recommending criminal action to be initiated against those who discharge sewerage water straight into the lakes without treating it,” he said. The basis for declaring the heritage lakes will also take into account the migratory birds population as mentioned in the 1987 waterfowl census.

Reddy said all the renovated lakes wouldl feature ring bunds and a wetland in the vicinity with plants that can absorb the “metals and undesirable organic content”. The increased depth of the rejuvenated lakes would hold more water and also check flooding of the city during rains.

The Jakkur and Raichanahalli lakes will be handed over the Ashoka Training Institute Trust and the Venkateshwaranagar lake to the CNR Rao institute for providing technical inputs on maintenance and development. Reddy has also asked BDA to maintain a service register from the time of initiating developmental works to the maintenance of the lake after the rejuvenation.

Komaghatta Lake and Lithopark


During his visit to Komaghatta Lake, Yellappa Reddy took to task the agency and engineers responsible for the rejuvenation of the water body, for not complying with instructions. They were directed to look inquire into complaints about the Nandi Infrastructure Corridor Enterprise (NICE) discharging sewage into the lake even as it was being de-silted for rejuvenation. He has now asked for a Action Taken Report from the engineers.

Lithopark: At Venkateshwara Nagar lake, the BDA Lake Advisory Board has mooted landscaping of an abandoned quarry adjoining the lake as a lithopark (Rock Park) as a recreational facility for citizens.

Last Updated on Saturday, 19 December 2009 06:21
 

Nearly 40 p.c of water going waste

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The Hindu 19.12.2009

Nearly 40 p.c of water going waste

Staff Reporter

Bhubaneswar tops the table of national average of water loss in Class I cities

BHUBANESWAR: Even as Orissa government has declared to constitute Orissa Water Corporation (OWC) to regulate water supply in the capital city apprehending worsening of water scarcity in future, nearly 40 per cent of supplied water go waste.

Rainwater harvesting, the provision which was made mandatory in building regulations, is hardly taken seriously for which recharging of groundwater does not take place as is desired.

According to city-based Regional Centre of Development Cooperation that works on water rights issues, Bhubaneswar figures prominently in the national arena in terms of water loss due to leakage in public supply. “While the national average water loss of Class-1 cities stands at 21.62 per cent, Bhubaneswar, being one among them, stands at the top of the list with 40 per cent,” said Bikash Kumar Pati, a researcher with RCDC.

The total water supply of Bhubaneswar is 239.13 MLD (Million Litres Day) out of which 95.66 MLD is a waste through leakage.

As per 2001 census, the population of Bhubaneswar is 6.57 lakhs. The projected population has been estimated to reach 16.9 lakhs by the year 2031.

“Looking at the dependency on ground water, 35 per cent of water supply in Bhubaneswar is from 139 production wells (dug wells and borewells). If we look at the ground water situation of the city, the condition is precarious too,” Mr. Pati said

According to RCDC, the normal monsoon rainfall of Bhubaneswar is 1200 mm recorded in between June 15 and September 30. “A calculation reveals that 20,000 residential buildings with rooftop area of 150 sqm each along with 80,000 sqm rooftop area of government buildings would contribute to 6.48 MLD water for the supply. This amount of water is fair enough to supply water to 48,000 people or 9,600 households of five members,” the RCDC researcher said.

Other than River Daya, Mahanadi, Kuakhai and 139 Production Wells, there are 865 tube wells in Bhubaneswar for provisioning of water. ”Most of these tube wells are abandoned which can be successfully used as recharging points for rainwater harvesting and probably that will be the best utilization of those abandoned tube wells, he said.

Rather than looking at formation of a body OWC to address water woes, rainwater harvesting is absolutely essential for the city, Mr. Pati opined. It is feared that OWC is another step towards water privatisation.

Last Updated on Saturday, 19 December 2009 03:23
 

National conference on hydraulics commences

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Indian Express 17.12.2009

National conference on hydraulics commences

A two-day national conference- Hydro 2009 started at the Central Water and Power Research Station (CWPRS) on Thursday.

The conference organised jointly by Indian society for Hydraulics (ISH), CWPRS, Groundwater Surveys Development Agency (CSDA) supported by UNICEF will focus on- Hydraulics- water resources, coastal and environment engineering.

C D Thatte, former secretary, Ministry of Water Resources was the chief guest of the function. K M Nagargoje, director GSDA was the guest of honour. I D Gupta, director, CWPRS presided over the function.

Over 175 engineers and scientists from various organisations across the country are participating in this event, now in its 14 th year. The conference includes 116 technical papers on 13 themes to be presented during the two-day event.

A welcome note along with an overview of ISH was presented by D B Deolalikar, president, ISH. During his inaugural speech, Thatte said, “As we meet on the backdrop of the ongoing Copenhagen summit, the global projections have to be assessed on a local level. We are facing challenges in various sectors such as- food, energy, water, health and infrastructure and we will have to try hard to extend the availability of the resources to meet the demands in these fields. It is projected that our needs as a nation would increase by 50 per cent in the next three decades and in order to be able to cater to the increased demands, we will have to replicate the innovative solutions.” Thatte also touched a number of topics such as challenges in sustainable development, non-implementation of reports by environmental commission.

Managament issues related to water are important. Reduction of water wastage, involvement of communities in saving water are some of the important aspects that need to be considered seriously. Science should improve people's lives and an interface needs to be created between scientific community as well as the implementation of scientific findings for the benefit of common man,” said Nagargoje.

Eminent personalities in the field were honoured during the programme. Lifetime achievement awards were presented to D B Pant and S K Mazumdar for their outstanding contribution to the field. Prabhat Chandra, organising secretary, ISH proposed a vote of thanks.

Last Updated on Friday, 18 December 2009 11:33
 


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