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Water Supply

Two gates of Meghadrigedda Reservoir lifted

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The Hindu  13.10.2010

Two gates of Meghadrigedda Reservoir lifted

Staff Reporter

Heavy inflows necessitate it, says official

Water let off as a matter of precaution as airport is nearby, he says

GVMC keen on developing it as a storage reservoir


VISAKHAPATNAM: Two gates of the Meghadrigedda Reservoir Project, one of the sources of water to the city, have been lifted and water let off following increased inflows into it.

Following heavy rain in the areas surrounding the reservoir, the inflow increased suddenly leading to increase in the water level. Of the six gates, two were lifted three inches each on Monday evening to release the water.

According to Irrigation Executive Engineer K. Prasad Reddy, the full reservoir level was 61 ft against which 58.5 ft level was maintained. It had a capacity of 1,000 tmcft and some 800 tmcft was maintained and the rest let off as a matter of precaution as airport was located nearby, said Mr. Prasad Reddy. The gates were closed on Tuesday evening.

MGR is being maintained by the Irrigation Department. The reservoir is being used by the Greater Visakhapatnam Municipal Corporation mainly for storage.

The GVMC wants to obtain the government's permission to develop it as a storage reservoir and proposes to use it for storage once the Polavaram Left Main canal materialises.

The reservoir is 50-year-old and silting up is natural after a period of 30 years. Officials say it is difficult to take up de-silting as it is uneconomic and point out that even tanks are de-silted only if farmers carry the silt on their own.

Water released from MGR inundated the airport and other areas in the past and the problem was solved after the Irrigation Department took up work and dug a canal for the water to fall into the sea.

Last Updated on Wednesday, 13 October 2010 10:03
 

Tech glitch hits city water supply

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The Deccan Chronicle  13.10.2010

Tech glitch hits city water supply

Oct. 12: The call centre at the Bengaluru Water Supply and Sewerage Board (BWSSB) has been flooded with complaints as several parts of the city did not get water as major water supply pumps were shut last week due to technical glitches.

The BWSSB has received complaints regarding shortage of water from areas across the city including Marathahalli, Vidyaranyapuram,Girinagar, Cottonpet, Chikpet and Cubbonpet. The glitch occurred last Thursday and continued on Friday. The pumps at the Cauvery fourth stage 1st phase were shut down due to technical problems and the valves remained closed between 3 pm and 11 pm on October 7. According to chief engineer of the Cauvery project Narayan, “The board had already began work on Cauvery fourth stage, second phase but the censor rod had fallen from the 1st phase work, and the flow metre was arrested leading to a leak in the cover valve.”

While the engineers fixed the problem on Thursday, the problems resurfaced on Friday, October 8, and the pumps were shut once again at 11 am and it took the engineers another 10 hours to fix the glitch. As the pumps were shut for two days in a row, the BWSSB, which usually supplies 900 mld of water per day, was short of 120 mld on Friday and again on Sunday, it was short of 100 mld of water. The other source of water — the TG Halli reservoir — contains merely 19 feet of water as against the 30 feet of water it had last year. The reservoir provides just18 MLD of water.

As both TG Halli and Cauvery projects were not providing water at their maximum capacity, several areas in the city did not get water. Water is supplied in many parts of the city only every alternate day and these places suffered the most. The areas include the BTM layout, JP Nagar, Vidyaranyapuram, Domlur, Hoodi, Rajajinagar and Nagarbhavi.

Meanwhile, BWSSB chief engineer Venkatraju claimed that water supply had been restored. “The supply of water has been resumed and the board has sent 45 tankers of water to areas that were worst hit by the recent shortage,” he said.

Last Updated on Wednesday, 13 October 2010 06:35
 

Project to augment city’s water supply to begin in 2 years

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Hindustan Times  12.10.2010

Project to augment city’s water supply to begin in 2 years

The Central Water Commission (CWC) has cleared the Gargai project that the Brihanmumbai Municipal Corporation (BMC) plans to begin within two years. The BMC is banking on the water project to augment the city’s water supply and to also bridge the gap between the demand and supply of water in the city.

The plan is to build a dam on the river Gargai (about 120 km north of Mumbai) and the water from this river will flow into Middle Vaitarna, which can be brought to the city via the existing distribution network.

Gargai is a tributary of the Vaitarna river.

The CWC is a premier technical organisation of India in the field of water resources and is presently functioning as an attached office of the ministry of water resources in the government of India.

“Now that we have got CWC clearance, we are trying to work things out with NEERI for an environment assessment of the project,” a senior civic official said. The CWC has asked BMC to keep them in the loop while going ahead with other aspects of the project and also to submit a progress report of the project regularly.

The feasibility report by the consultants of the project states that the project would give the city an additional 440 MLD.

He also added that once the environment impact study was done, the BMC would apply for environment clearance from the Ministry of Environment and Forest department (MoEF).

Currently, the city’s demand is 4,200 million litres daily, while supply is 3,350 million litres daily.

The original target set by the Chitale Committee report for this project was 2020. “We plan to start the project by 2012 after we complete the Middle Vaitarna project. And, we want to complete the project by 2016,” said PR Ajgaonkar, chief engineer, water supply projects.

As of October 11, the city has 12.63 lakh million litres of water in all six lakes that supply water to the city.

Last Updated on Tuesday, 12 October 2010 11:25
 


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