Chennai

  • Heavy rain water logs Chennai and other parts of Tamil NaduWith the State staring at a severe water shortage, heavy downpour has brought relief to Tamil Nadu, especially Chennai but has also exposed the State's under-preparedness. Heavy rains have caused severe flooding and water logging in several ...
    swatiposted 3 years 7 months agoread more
  • Climate change could have a strong impact on fisheries with far-reaching consequences on food and livelihoods of populations. It is likely to have a major impact on future marine fisheries production in India. However, very little understanding exists on the how fishing communities, the actual stake...
    aarti kelkar kh...posted 4 years 1 week agoread more
  • Hi! 3 years back, at my residence we drilled a bore well of about 110 feet deep. Last week one fine day the motor was not able to deliver water,  I checked with the plumber and he said the hose in the borewell has to be checked for leaks. He tried to remove the same, but unfortunately it did n...
    Dinesh_japosted 4 years 4 months agoread more
  • Kerala's Ashtamudi lake recognised for sustainable clam fishing Ashtamudi lake, the second largest estuarine system in Kerala and a livelihood support of 3000 fisherfolk who trade clams, has become India's first Marine Stewardship Council-certified fishery. When faced with crisis of reduced catch d...
    aarti kelkar kh...posted 4 years 7 months agoread more
  • Chennai's Fort St.George, built in 1644, was the first English fortress to be built in India. It laid the foundation for further settlements around it and the city of Madras gradually expanded around the fort over the years.  The city was divided into two sections- 'White town', that was occup...
    Divya Nposted 4 years 9 months agoread more
  • Heavy rain causes floods in Uttarakahand, Assam, Uttar Pradesh and Bihar Two days of incessant rains have severely affected Uttarkhand with the major rivers like Ganga, Nandakini and Pindar flowing above the danger level. In Uttar Pradesh, 28 people have been killed due to floods with nearly 1500 v...
    swatiposted 4 years 10 months agoread more
  • Hi Sir, We have a large apartment where we use STP to treat sewage water.  Currently we don't have ways to let out the treated water , even after using for gardening there is huge amount of water which we have to transport that leads to increased cost.  Can we use soak pits to drain this...
    Jayaraman Krish...posted 4 years 11 months agoread more
  • Hi,Ten days ago we have dug a borewell 500 feet deep. It is a 6.5" borewell, when we dug the bore we found less water. in the next day we found water at 450 feet. Yesterday we tested again and found water atin 35 feet and water was clear. Can we go for submersible pump in this case? Please advise ad...
    Anonymous (not verified)posted 5 years 1 week agoread more
  • BJP should learn from Congress' defeat: EnvironmentalistsEnvironmentalists suggest that the new government should focus on urbanisation, air and water pollution. Blame the ealrier government for ignoring the environmental and social concerns of the people, which has led to its defeat.New hopes for G...
    swatiposted 5 years 1 month agoread more
  • 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 1 month 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 2 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 2 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 2 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 2 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 2 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 2 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 3 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 3 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 3 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 3 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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Chennai reels under acute crisis of drinking water

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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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