New Internationalist

Harvesting The Raindrop

Issue 354

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Water / CONSERVATION

Harvesting the raindrop
Where water strife once drove village communities apart,
co-operative effort has brought sustenance. Sunita Narain outlines
an Indian phenomenon that offers hope to the world.

Villagers by their check dam in the Dahod district of Gujarat.
Photo: Vijay Rohatgi / CSE

'FOUR days of rain only. Just four days. And that too after three years of bad drought. But we have drinking water in our wells. This is because we have built check dams to harvest our rain. Our neighbours are fleeing the village, but we have reserved the well for drinking water only.' This is what Surtabhai, a resident of Mahudi village in Gujarat, told visiting journalists from Down To Earth, the fortnightly magazine I edit.

The magazine was doing a follow-up story. Something unusual, as journalism is not about following stories of specific villages and how they fare year after year. In January 2000 we had presented a story of hope: the tale of five villages which harvested the raindrop to survive, indeed to fight drought. The story reported that these villages had water for drinking, even for irrigation, while neighbours had already fled looking for distress work. Again in June 2001, we followed these villages as that year had brought little rain and more misery. Journalists reported that even with another terrible year of drought - the third in a row - all the villages had enough water to drink. Irrigation was beginning to be a problem - but only in those villages which had recently begun water harvesting. It was clear that water harvesting is like a bank account: if you keep withdrawing money without investing back, the account will be overdrawn, much like our groundwater aquifers. But if you make regular deposits in the bank account, the balance will help withstand protracted periods of scarcity. In June 2002 our reporters retraced their steps once again to find out how these five villages located in the worst droughtaffected regions of India had coped with yet another year of belowaverage rainfall.

Can droughts be called natural disasters? Not in India. They are ‘government-made’ disasters

They found Surtabhai and his family struggling to deal with another year of drought. But the little rain that they had been able to harvest by holding it in small check dams - allowing it to seep underground and recharge the groundwater - gave them some relief. This was the story in the other villages as well. In the village of Raj Samadhiyala, in Gujarat, villages have voluntarily built check dams and village ponds since back in 1985 - over 45 check dams in an area of over 1,000 hectares. There has been little or no rain for the past four years. Yet there has been ample water to drink and irrigate crops. Now the village plans to use remote sensing technologies to locate natural underground dykes for storing rainwater. Overall it was clear that even after four years of poor rainfall and certainly after three years of consecutive backbreaking drought, rainwater harvesting was helping villages withstand the worst. Sceptics maintain that rainwater harvesting is not a viable strategy because rainfall in these parts is too variable. But these stories reveal that it works. It is possible to build livelihoods, indeed economic wellbeing by investing in capturing the rainwater endowment of the area.

Bearing this experience in mind, the question we need to ask is can droughts be called natural disasters? Not any more. Not in India. They are 'government-made' disasters. Over the past hundred years or so, the country has seen two paradigmatic shifts in water management. First, individuals and communities have steadily given over their role almost completely to the state. And second, the simple technology involved in using rainwater has declined. Instead exploitation of rivers and groundwater through dams and tubewells has become the key source of supply. Water in rivers and aquifers is only a small portion of total rainwater availability. Dependence on them alone can lead to an unbearable stress on such sources. Cost recovery in such schemes is poor, thus dependence on the state has meant the financial sustainability of water provision is in peril. Repairs and maintenance are abysmal. When people have no personal stake in careful water use, the sustainability of water resources becomes a question mark. As a result, there are serious problems with government drinking-water supply schemes. Despite all the government efforts, the number of 'problem villages' - official parlance for villages that do not have water sources - does not seem to go down. 'In our mathematics, 200,000 problem villages minus 200,000 problem villages is still 200,000 problem villages,' say officials.

What makes rainwater harvesting such a powerful technology? In most parts of the developing world, rainfall is variable and rainy days are few. In India, for instance, 50 per cent of the rain falls on about 15 days and in less than 100 hours out of a total of 8,760 hours in a year. The total number of rainy days can range from a low of 5 days in a year in the desert regions of Gujarat and Rajasthan - though on some of these days there can be high-intensity rainstorms - to 150 days in the Northeast. It is therefore very important to capture this rainwater, which just comes and goes in a few hours.

Water is a strange natural resource: it can unite a community as easily as it can divide it Imagine you had a hectare of land in Barmer, Rajasthan, one of India's driest places, and you received 100 millimetres of water a year, common even for this area. That means that as much as a million litres of water poured down on your plot of land from the sky - enough to meet the annual drinking and cooking water needs of 182 people, reckoned at a liberal 15 litres per person per day. It does not matter how much rain you get if you don't capture it. Cherrapunji in the eastern state of Meghalaya, with 14,000 millimetres of annual rainfall and known as the wettest place on Earth also suffers from drinking-water shortages. All the water falls during the violent monsoon season and runs off unchecked, leaving little in store for the dry months. The experience of villages like Sukhomajri, Ralegan Siddhi (in Maharashtra) and several villages in Alwar district (in Rajasthan) has further shown that rainwater harvesting can become the starting point for the eradication of rural poverty. An increase in assured water availability means an increase in stable agricultural production and improved animal care. Rainwater harvesting has helped Ralegan Siddhi transform itself from one of the most destitute villages of the country in the 1970s to one of the most prosperous today.

Building water-harvesting structures is a very easy task - any contractor endowed with a bit of money can do so - but building an effective structure which starts off a process of self-management in village communities is a much more difficult. This is possible only if each structure is the result of a cooperative social process. Water is a strange natural resource: it can unite a community as easily as it can divide it. It is essential that a strong social process precedes each structure to bring communities together to achieve common goals. This is what economists call 'social capital'. It is an area where government agencies have virtually no track record and inflexible government rules militate against the very principle of social mobilization.

Countries like India need a water policy which recognizes that water management must involve communities and households in becoming the biggest co-operative enterprise in the country. It needs a 'water movement' that values every drop of rain.

Sunita Narain is the director of the Centre for Science and Environment (www.cseindia.org) and the editor of Down to Earth magazine.

[image, unknown] Sunita Narain

Some local contacts active in rainwater harvesting in the areas mentioned in this article:
Annasaheb Hazare
Ralegan Siddhi
Ahmednagar 414302
Maharashtra, India
Tel: + 91 241 40227; 40224

Harnath Jagawat
Director, N M Sadguru Water & Development Foundation
Post Box 71 Dahod 389151 Gujarat
Tel: + 91 2673 38601; 38602; 40215.
Fax: +91 2673-46749; 38604.
E-mail: nmsadguru@yahoo.com


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