Chennai

  • Himachal villages to carry out own EIA90,000 people from 250 villages in the Sutlej basin of Himachal Pradesh decide to carry out their own assessment of the environmental damage caused by hydropower projects. They allege that the state-sponsored Indian Council of Forest Research and Education repor...
    ravleenposted 5 years 4 months agoread more
  • Deltas sinking, thanks to damsMajor Indian deltas like the Ganga-Brahmaputra and the Krishna-Godavari are sinking because of proliferation of large dams that starve deltas of sediment, groundwater mining that causes land compaction and artificial embankments that affect river coursesPolitical partie...
    ravleenposted 5 years 4 months agoread more
  • Hello,The borewell water in my house in Selaiyur, Tambaram, Chennai is very saline and white chemical particles settle in overhead water tank (every time I clean, those white particles weigh more than 1.5 kgs). How do I get rid of salinity in borewell water. Please help.Ravi Raja9790996720
    Anonymous (not verified)posted 5 years 4 months agoread more
  • The Water and energy nexusA report released by the United Nations in Tokyo this World Water Day says places where people do not have adequate access to water largely coincide with those where people have no electric powerNGT demands report on fluorosis in Maharashtra12 districts in the state are aff...
    ravleenposted 5 years 4 months agoread more
  • Hello,We are a community of 164 households in Okkiyam Thoraipakkam, Chennai. Our community is known as Trinity Park. Currently we source water from outside, as the groundwater is unusable. We are collectively looking for a rainwater harvesting solution to improve the groundwater quality.We need help...
    Anonymous (not verified)posted 5 years 4 months agoread more
  • Maharashtra reels under hail stormsFarmers of Marathwada, Vidarbha, Northern Maharashtra and parts of Western Maharashtra are facing the impacts of unprecedented hail storms and unseasonal rainfall. Nearly, 12 lakh hectares of crops have been destroyed due to the disaster, along with spread of ...
    swatiposted 5 years 5 months agoread more
  • Chennai's water warriors Sekhar Raghvan and Indukant Ragade believe that rainwater harvesting and greywater recycling are simple steps to achieve water sufficiency. To educate tomorrow’s engineers and town planners to understand and appreciate the importance of these two measures, India Water Port...
    Seethaposted 5 years 5 months agoread more
  • Spur in farmer suicides after untimely rain in Maharashtra18 farmers end their lives in less than a month after unseasonal rain and hailstorm destroyed their crops. Social activists claim the figure could be anywhere above 80, more than the average for every two monthsPlatform made with waste pollut...
    ravleenposted 5 years 5 months agoread more
  • India to get its first solar-powered toilet The waterless toilet converts human waste into charcoal that can be used as fertilizer in farming or as a fuel, say researchers at the University of Colorado who developed the toilet.Grams in Tripura not 'Nirmal'None of the 108 villages in Tripura declared...
    ravleenposted 5 years 5 months agoread more
  • Chennai is rain-rich, but frequently water starved. The city receives a good amount of rain both from the South-West as well as the North-East monsoon, though the latter’s contribution is much higher. Even with an annual average rainfall of around 1200-1300 mm (the national average is around 800mm...
    Seethaposted 5 years 5 months agoread more
  • At some locations, municipal wastewater is directly taken to secondary treatment and the primary treatment is skipped. 1. I want to know what happens when the primary treatment is skipped. 2. Does this impact sizing and performance of aeration tank as all the load is directly sent to the secondary t...
    Anonymous (not verified)posted 5 years 5 months agoread more
  • 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 5 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 6 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 6 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 6 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 6 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 6 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 6 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 6 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 6 months agoread more

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I live in Chennai. Our borewell is not yielding water and many of my neighbors face the same issue. plumber suggested us to drill another borewell. We do not have space , as our first floor extends to cover the entire plot area, hence the only way which our plumber suggests is to drill hole in the roof in order for the drilling machine to fit. Is there any other option instead of drilling a hole in our roof? Appreciate the help.

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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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News this week

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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