Chennai

  • Hello. I need video or images of borewell available in your library. If I can get them it will be helpful to explain the process of groundwater and its movement to the farmers' community.
    RAJAMOHAMED AMBALAMposted 5 years 9 months agoread more
  • Hi, I live in Alwarthirunagar, Chennai. In my area all borewells have yellow colored water. Does such water cause any problem when used for bathing and cleaning vessels ?
    Anonymous (not verified)posted 5 years 9 months agoread more
  • Drinking water at railway stations highly contaminated: Report50 lakh passengers using Northern Railways drink extremely polluted water. Of the samples tested for coliform bacteria, all in the Lucknow division were found contaminated while 59% were found contaminated in the Moradabad division and 94...
    ravleenposted 5 years 9 months agoread more
  • Post Telangana, tribals want Polavaram dam scrappedThe dam will benefit only Seemandhra and displace about two lakh tribals, most of them in Telangana. Tribal activists launch padyatra to protest against an amendment in the Telangana Bill which proposes to shift their villages to Seemandhra.Sikkim f...
    ravleenposted 5 years 9 months agoread more
  • Ganga full of SuperbugsLevel of multi-drug resistant viruses in the river goes up by 60 times during the pilgrimage season of May-June, say researchers.Wells around ISRO unit contaminated with rocket fuel chemicalAround 40 wells found contaminated with ammonium perchlorate that affects iod...
    ravleenposted 5 years 9 months agoread more
  • Hi, we have a 15 acre of coconut plantation. Our borewell depth is 1000 ft and width 6". Please advise on the drip irrigation method to use. Also, suggest the model and stage of the motor that can be used, along with price.
    Anonymous (not verified)posted 5 years 9 months agoread more
  • Hi, we have 12 apartments in a building and have 12 individual overhead tanks. The water supply to the tanks is through a single pipe and the water gets filled in one tank after another so that the tank at the last is the last one to get filled. Please suggest a full-proof mechanism by which the wat...
    Anonymous (not verified)posted 5 years 9 months agoread more
  • We are living in a 4 in 1 apartment in Perumbakkam, Chennai. The apartment's drainage system is under the covered car parking. The domestic drainage (bathing, washing etc) is almost not getting absorbed by soak pit and comes out everyday. Please suggest a cost-effective way to handle this drainage ...
    Anonymous (not verified)posted 5 years 9 months agoread more
  • River diversion project launch put offThe Yettinahole project, which Union Environment Minister Veerappa Moily was to launch, has not received clearance from the environment and forest department yet. Timely letter by NGO SANDRP puts brakes on the launch plansPatna to have biggest sewerage...
    ravleenposted 5 years 10 months agoread more
  • Chennai's drinking water seeps down the drain Red Hills reservoir, which serves as Chennai's primary storage, is leaking water due to damage in one of its weirs (a barrier across a river designed to alter its flow characteristics). This is causing it to lose precious water meant for Chenn...
    swatiposted 5 years 10 months agoread more
  • Who needs farming for food?The number of people opting for agriculture in rural areas has dipped by 11% in the last decade, says a study by the Associated Chambers of Commerce and Industry of India (ASSOCHAM).SC says no to complete filling of Tehri reservoirPetitioners argued that the...
    ravleenposted 5 years 10 months agoread more
  • Delhi metro stations to conserve rainwater By March 2015, 17 metro stations will have rainwater harvesting system, the Delhi Metro Rail Corporation informed the National Green Tribunal (NGT). The NGT had earlier ordered rainwater harvesting system at all metro stations.Meghayaya favours livelih...
    ravleenposted 5 years 10 months agoread more
  • Rayalaseema gets tense over waterPoor allocation and diversion of water for upstream areas has created tension between districts in this Andhra Pradesh region.CBI registers five FIRs in Delhi Jal Board scam caseConducts raids in Delhi, Noida and Ghaziabad and files five FIRs in relation to costly pr...
    ravleenposted 5 years 10 months agoread more
  • HC directs shutting operations in Mundra Port and SEZThe Gujarat High Court has directed 12 industrial units in the Mundra Port and SEZ in Kutch district to stop operations unless the industrial complex gets environmental clearance.Tribal Ministry dilutes laws to clear Thoubal multi-purpose projectA...
    ravleenposted 5 years 10 months agoread more
  • A “socio-hydrologic” model for Chennai shows that both infrastructure and management decisions are necessary to achieving water security.
    Prarthana Vishalposted 5 years 10 months agoread more
  • Environment Ministry delinks clearance of power plants from captive minesThe new Environment Minister Veerappa Moily has delinked the green clearance process for a thermal power plant and its source of fuel, a captive coal mine. This will make it easier for the project proponents to get clearance an...
    ravleenposted 5 years 11 months agoread more
  • Improved sanitation can reduce diarrhoea cases by 47%: World BankA World Bank report released this month has found that improved sanitation can reduce cases of diarrhoea in children by 47%. The report "Sanitation and Externalities" analysed the data of 2,06,414 children under four years of age ...
    ravleenposted 5 years 11 months agoread more
  • Hello, I would like to use the borewell water primarily for domestic purpose like bathing, washing clothes and vessels etc. At present the water is hard and has a light yellow tinge. I am attaching the water sample test report. I would like to get experts' views on the test report and seek their ...
    Anonymous (not verified)posted 5 years 11 months agoread more
  • Kejriwal frees water in DelhiPromises to supply 20 kilolitres of free water per month to each household in Delhi but with a 10% hike in tariff for those consuming over 20 kilolitres water. However, CAG reports that raw water available in the capital not enough to meet potable water de...
    swatiposted 5 years 11 months agoread more
  • NGT stops construction of Mapithel damNational Green Tribunal halts Manipur's Mapithel Dam as it violates the Forest Rights Act. To go ahead with the project, state government may now need people's approval.India grants Rs 374 million to Nepal for flood mitigationGrant given to build embankments on ...
    swatiposted 5 years 12 months agoread more

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We presently have BRIM media over coarse aggregate of sand and pebbles in a 200 litre drum. Well water is pumped into this drum and the clean filterate from the bottom goes into our water tank by gravity. However this installation is over 10 years old and I think the BRIM media is not effective. If simply changing the BRIM media should resolve the problem, I will try that. I am not sure that this is the best solution since most vendors I call are only keen on selling a more expensive solution involving tanks and pumps.

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News this week

Chennai reels under acute crisis of drinking water

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News this week

Oil spill in Ennore has highly impacted the zone between Ennore and Marina beach

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Just seven to eight percent water left in TN’s reservoirs

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I am a resident in Manthoppe Colony, Ashok Nagar Chennai, Tamil Nadu. We are an apartment building with 16 flats sharing water from a single underground sump. This sump gets water from the Chennai Metro Water. Due to water shoratage crisis in Chennai, we decided to clean the open well we had for abut 30 years and use the water along with Metro water. The open well is 30 feet in depth and 8 feet in diameter. It presently contains 12 feet of water from which atleast 3 feet of water is pumped out using a 1HP water pump into the underground sump twice per week.

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We have an 80 feet deep borewell dug in the year 2012 in Indiranagar, 4th main road, Ayar, Chennai 60020. We are 7KM away from the sea shore. Right from day one the borewell water had a high level of iron content, and we have not been able to use it. We are not keen to instal equipments outside the borewell to minimise the iron content. A service provider suggested installing another bigger PVC pipe outside the bore pipe, to reduce iron content to some extent. Is this possible?? He is charging 30% more.

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The revival of Narayanapuram wetland is a fitting example that good things can come out of government’s willingness to associate with independent organisations for the betterment of the society.

Once home to over 400 water bodies, Chennai’s development story is similar to most metropolises across India. Urbanising at a hurried pace, the concrete city spilled over its waterways and wetlands, leaving behind a sorry tale of ecological destruction. The Narayanapuram wetland, part of the massive Pallikaranai marshland, which was recently taken up for restoration, shows that not all hope is lost; not yet, at least.

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Desalination is considered a solution to increasing water shortage in the world. A few functional desalination plants in Tamil Nadu, however, show a different picture.

Population growth estimates suggest that India will be supporting over 1.5 billion inhabitants by 2050 if the present growth rate of 1.9 percent per year continues. From 710 billion cubic metres (BCM) in 2010, the demand for water is expected to surge ahead to 1180 BCM in 2050 as the Planning Commission has predicted a 2.5-time increase in domestic and industrial consumption. 

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Policy matters this week

Budget up by 11 and 19 percent for water and environment ministries respectively

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Better green cover could be a way to reduce the extent of disaster a Vardah could bring. Here’s a lowdown on the trees that Chennai must have.

 

Literary works from the Sangam period dating back to the fourth century BC indicate the presence of a five-fold classification system of geography and related ecosystems. The five types include kurinji (mountainous region), mullai (forests), marudam (croplands), neithal (seashore) and palai (desert landscape). And, the coastal city of Chennai fits snugly in the neithal landscape.

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