Chennai water coverage by NPR

One of Chennai's biggest reservoirs, Chembarambakkam Lake, is now a cracked, windswept mud flat. There are swarms of insects as big as hummingbirds, stray goats nibbling at dust-coated shrubs and what look like a few water buffalo — but no water. A massive pipe that's supposed to carry water into the city is empty.

There are similarly parched scenes at Chennai's three other main reservoirs. This city of nearly 10 million — India's sixth largest — has almost run out of water. Municipal taps work only a few hours a week. Trains are arriving every few days with emergency water supplies. Residents who can afford it buy truckloads of water from private tankers that carry it from bore wells — deep, narrow wells typically equipped with a pump — drilled farther and farther out into the countryside, way beyond the city limits.

But Chennai got 755 millimeters (about 30 inches) of rain last year. That's more than London typically gets. So how did this happen?

No flow zones

At his cramped office near Chennai's seafront, Nityanand Jayaraman, an environmental activist, unfurls a map of Chennai's reservoirs and its car factories. The city is India's Detroit — an auto industry hub. He traces his finger around the circumference of a reservoir, and then farther out, to all the wetlands surrounding it.

"A reservoir is not just a pot. It has a catchment, and how you use or abuse the catchment also determines how healthy your reservoir is going to be," Jayaraman explains. The catchment is the surrounding area where rainfall can flow into the reservoir.

That's the problem at Chembarambakkam Lake, he says.

"Around it, we've had intense development. So just [uphill from the reservoir] sits a very large special economic zone for automotive components and automobiles," he says.

That special zone houses a Hyundai automotive plant at Irungattukottai, an area that used to be part of the lake's catchment area. The factory uses rain and groundwater — for cooling machinery, washing vehicles and mixing with paint — that would otherwise flow into the reservoir.

Urban sprawl

On the other side of Chembarambakkam Lake is what used to be a farming area. It's called Senneer Kuppam, which means "place with pure water" in the local Tamil language.

This is where, for generations, Vincent Prasad's family grew eggplants and sunflowers. They used to irrigate them with ample water from a shallow well, dug by hand. As recently as 10 to 15 years ago, Prasad says he had to dig just 10 feet down to reach water. Now his neighbors have had to drill 80 to 100 feet down to strike water, he says. But renting a drilling rig is too expensive for him.

His father ended up abandoning agriculture and working in a factory. Prasad, now 39, has done the same. And as Chennai expands beyond its city limits, a superhighway has just been built through their once-sleepy village.

Farmers are selling their land for development — or, during the current water crisis, becoming water merchants.

"All my neighbors are drilling deep bore wells. It's an investment!" Prasad says. "You make more money selling your water than using it to irrigate crops."

More and more bore wells

This summer, Prasad joined a neighborhood group, comprised mostly of tenants who are petitioning the Indian government to stop landowners from drilling bore wells and protect the community's access to water. Those who can afford it drill bore wells that drain the aquifer, a porous area underground where water naturally accumulates. Those who cannot afford to drill, or don't own land, have had the taps in their homes run dry.

"They are selling our water to private companies and hotels. So we don't have any water at all. I can't take a bath," says Virmala, 32, a lawyer who goes by one name. She skips showers so she can bathe her 2-month-old daughter.

She says the water shortage has turned neighbors against one another. As water becomes scarce, protests have erupted.

"We are all angry, but the government doesn't support us. It supports the rich people who buy this water," says Prasad. "Because it's our water from here that's keeping the city of Chennai alive."

Meanwhile, what was once lush farmland has now become a dusty jam of giant tanker trucks. Locals took NPR correspondents on a driving tour of 29 new bore wells in the village of Senneer Kuppam, with hundreds of water tankers lined up alongside them. It takes just 15 minutes for a tanker to fill up and get back on the highway.

The "place of pure water" is draining fast.

Private water tanker trucks fill up at a bore well on Chennai's outskirts. The area was once a lush farming village but has become part of Chennai's expanding urban periphery. Locals are drilling bore wells to sell their groundwater. It's more profitable than using the water to irrigate crops.
Lauren Frayer/NPR
Mother Nature or mismanagement?

Chennai's water shortage, and the unrest it has unleashed, were avoidable, says Srinivasan Janakarajan, president of the South Asia Consortium for Interdisciplinary Water Resources Studies. He says Chennai's water shortage is not caused primarily by climate change, though that could indeed make matters worse.

"When somebody says, 'Sorry, you don't get rainfall. It's nature's fury,' I just cannot take it!" says an exasperated Janakarajan.

The problem is not Mother Nature, he says. It's unchecked urban growth, lack of reservoir maintenance, and overextraction of groundwater by public authorities and private landowners through bore wells.

Other environment experts say Chennai is a perfect example of how those things, exacerbated by climate change, can morph into a climate emergency. This is the type of water crisis that's becoming more frequent in the world's megacities.

"If you look at cities like Phoenix or Chennai or Cape Town, they're where land use and climate change will collide. So climate change and its effects will only worsen what has already been made worse by what we call development — the pattern of urbanization," says Jayaraman, the local activist.

Chennai gets most of its rain during the northeast monsoon season from October to January, though it also gets some showers in the southwest monsoon from June to September. In 2015, the city suffered deadly floods. But last year's monsoon was unexpectedly weak. Precipitation in Chennai has always been erratic. Overall, the city gets plenty of rain, but it has to conserve it better to last through the dry spells, Janakarajan says.

"Chennai is endowed with fantastic reservoirs, but they're encroached upon [by urbanization], clogged and silted up. The catchment areas are disappearing. There's no periodic maintenance," he says. "I'm not saying climate change is a fiction. It's science; it's happening. But for all our mismanagement, all our inefficiency, please don't hide behind climate change."

Janakarajan and many others accuse city and state officials of prioritizing growth and industry over residents' water supply. NPR contacted Chennai's water board, its chief engineer and the office of the chief minister of the state of Tamil Nadu, whose capital is Chennai. Officials declined or did not respond to repeated requests over a two-week period for an interview.

The chief minister of Tamil Nadu, Edappadi K. Palaniswami (his position is similar to a U.S. state governor), has accused the media of "creating an illusion" of water scarcity based on "some stray incidents" but says the situation is under control. The state's high court has nevertheless ordered his administration to submit a report explaining steps it has taken to mitigate the shortage.

Harvesting rainwater

In 2003, the state government did take action. Lawmakers passed the Tamil Nadu Groundwater Development and Management Act. It sought to regulate the numbers and locations of private bore wells by requiring landowners to apply for permits before drilling. It also mandated rainwater harvesting at all buildings. But the law was never really enforced and was repealed by an ordinance in 2013. The government has promised new legislation to replace it, but six years on, nothing has been passed.

In advance of that 2003 law, Tamil Nadu also commissioned Chennai's Rain Centre, a nonprofit organization inaugurated by the then-chief minister, to teach people how to harvest rain.

"Catch rain. It's free! That's our slogan," says Sekhar Raghavan, its affable 72-year-old founder and director.

The exterior of Raghavan's office building is outfitted with drainage pipes. They run from the building's roof, down into an underground cistern to store rainwater. He gives tours and rainwater demonstrations and was hosting a delegation of Australian diplomats and Canadian students on the day NPR visited.

But 16 years ago, when the state government first required residents to "catch rain," Raghavan says it was a tough sell. Not many people were willing to invest in drain pipes and tanks.

"Nobody bothered about this! Now they have realized, there's no water to buy. So I get 20 to 25 calls every day," he says.

People are desperate for advice, he says, on how to avoid buying water from expensive private tanker firms and how to collect it for free.

"This is a wake-up call for all of us," Raghavan says. "Future droughts, future floods — they're only going to get more severe, because the city is developing, and getting more and more built up."

"We have to change our habits right now," he says. more  

View all 7 comments Below 7 comments
This is the time to clean the Reservoir government has to take action more  
Selling of water should be stopped more  
அரசு அலட்சியமாக இருந்தால் இருப்பதால் இப்படி தான் நடக்கும். அடிப்படை அறிவு அக்கறை இல்லாத அரசியல் அமைப்புக்கள்.
9443222670 more  
The dependence on government authorities have made matters worse. Most of the mass want water to flow from their taps without making even a minimal effort to save water and / or recycle water. Therefore, it is a manmade problem. Usage of water for agriculture constitutes > 90% and is largely unregulated. The part of the world we live in is not suitable for cash crops like Paddy, Sugarcane and coconut and yet, they are cultivated. Our landscape is suitable only for minor millets. More than automobile industries, Dyeing factories and Tanneries use plenty of water, use fire wood (which means felling of trees) and pollute the ground water with their untreated effluents. Why do the developed nations don't encourage leather and dyeing industries? We are selfish and don't worry about the harm we cause to the environment. Unless we follow Reduce, Recycle, Reuse water combines with saving rain water, nothing can prevent us going down a slippery slope. We only REFUSE to follow advisories and Law (like the one on rain mandatory water harvesting structures for approval of building plans)! more  
There is no absolute planning, all left to the care of nature. The biggest problem is wake up only when we are at crisis of suffering, we should preplan and be proactive in retaining the catchment areas from encroachment and dumping. Water conserving methods to be effectively implemented. We have no dams, canals to cater to people of Tamil Nadu. Every year there is increase in consumption of water but we hardly have idea to preserve, conserve and nurture to handover the to our next generation. more  
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