Integrated development, politics and social empowerment in India and beyond

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Books written by B G Verghese

Books written by B G Verghese

Books written by B G Verghese

The problems in Punjab and Harayna and the Cauvery basin largely stem from these factors, especially insistence on the paddy-wheat-sugarcane cycle rather than crop diversification, and antique systems of flood irrigation in the Tanjore delta

New Charter for Water

Waiting for the rains – again – as climate change takes it toll. It is time to start managing India’s water future.

By B G Verghese

Hindustan Times, July 2009

Sweltering heat and parched lands have marked the country’s anxious vigil for the rains that have played truant for weeks while prayers have been said. It was said at one time that Indian agriculture was a gamble in the monsoon. That was when traditional agriculture was practiced and, with limited irrigation, was monsoon dependant. With the growth of irrigation and new crop varieties and technologies Indian agriculture appeared to be reasonably drought-proof. The gamble has returned with climate change – a long term secular change in rainfall patterns going beyond the shorter term hydrological cycles with which we have long been familiar.

The SW and NE precipitation bring rain and flood from excess runoff, part of which is trapped in underground aquifers and more of which can be stored through induced recharge and rainwater and rooftop harvesting, watershed management and storages ranging from ponds and bandhs to larger storages behind multipurpose dams. The winter westerlies bring snow to the northern latitudes and serve as a savings deposit with a delayed discharge of snow and glacial melt with rising temperatures through the spring and summer. This is the new hydrological cycle affected by global warming and climate change that we must learn to live with and manage. Most storages, Bhakra-Pong for example, are depleted in relation to annual averages and there has been less snowmelt. Glacier recession in the Himalaya and Karakoram implies higher glacial melt that will provide short term wellbeing after which summer discharges will drop significantly. Lower runoff and diminished storages also entail loss of hydropower which could otherwise be used to lift groundwater, where available, and for industrial and cooling purposes.

India is a wasteful user of water and energy, with foolish politicians encouraging waste and misuse through free or concessional water to the “poor” (which seldom reaches them). This has invariably resulted in poor or no maintenance resulting in asset deterioration. The Government has followed a strategy of supply augmentation (necessary in a rapidly expanding economy) while ignoring the related and supremely important strategy of conservation through demand management. The country boasts some fine irrigation and power engineers but they are trained and devote most of their attention to supply augmentation whereas “supply” could perhaps be augmented by as much as a third or more at a mere fraction of the cost by suitable demand management, more appropriate cropping patterns and pricing policies, better use of better technology (drip, sprinkler, recycling, improved maintenance, more efficient lighting systems), and superior regulatory mechanisms that are not handicapped by political interference.

The problems in Punjab and Harayna and the Cauvery basin largely stem from these factors, especially insistence on the paddy-wheat-sugarcane cycle rather than crop diversification, and antique systems of flood irrigation in the Tanjore delta. The argument about big and small dams, raindrop harvesting and surface and groundwater storage, especially large dams, is misplaced and often ideological. Each has its place in an ascending hierarchy. Large storages with huge catchments and commands provide a degree of insurance and carry-over benefits that micro and mini schemes simply do not provide. They have all to be worked in tandem through public-private partnerships. If farmers/consumers have ownership of a water supply scheme, or any segment of it, they will ensure efficient management, policing, maintenance and collection of service charges. Hence the importance of participatory irrigation management, which is evident in groundwater schemes.

Aberrant weather must be expected with climate change, with episodic cloudbursts such as drowned Mumbai, Bangalore and Chennai some years ago and per contra (surprise, surprise) caused drought in Assam and the Northeast in some of the historically wettest regions in the world. In this situation, the rainfall must be captured when and where it falls with destructive flood “surpluses” caught behind dams. Further, given spatial and seasonal variations in rainfall patterns, water can and must be moved from “surplus” to “deficit” regions over time and space. This is what storage irrigation does, augmented by inter-basin and trans-basin transfers, a hoary practice in India and around the world. This how the unimaginatively-named Inter-Linking of Rivers proposal was conceptualized, but never envisaged as a single mammoth “project” except by uninformed politicians, judges and critics who combined to conjure up a myth that did no service to the basic idea. “ILR” survives and, apart from the Ken-Betwa link two other West coast northward trans-basin diversions in Gujarat are under study.

Since rivers flow across national and internal political boundaries, they must be seen and planned in terms of natural resource regions. The Constitution provides for river basin authorities but these have never been pursued on account of parochial political feuding, often resulting in wasteful schemes being taken up to pre-empt any raid on alleged surpluses. One brave effort, the DVC, was killed by West Bengal within less than a decade of its launching. Maybe the institution of water markets (with independent regulators to oversee suitable safeguards for weaker players) and water parliaments (that bring together upper and lower riparians across river basins with statutory safeguards), could provide answers.

International rivers (the Indus, Ganga and Brahmaputra-Meghna systems) can also only be developed optimally through regional cooperation. Here new strategies must be devised, including joint management and operation of sensitive projects. The Tipaimukh multipurpose project in Manipur, which could immensely benefit Bangladesh too, suggests itself as a good candidate. The scare about Chinese plans to divert the Brahmaputra northwards is a piece of uninformed nonsense. More to the point, the Government should urge Pakistan to move forward on Indus-II, providing for joint exploration, construction, operation and management of the Upper Indus basin on both sides of the LOC to ward off the common peril of climate change.

Meanwhile, if the delayed rains spread next week as expected and the country gets 85-95 per cent of July-September rainfall, drought can be averted with alternative cropping patterns and staggered load-shedding. Advancing the clock by 60-90 minutes for daylight saving could yield some dividends too while an expanded NREGA could stave off hunger and help build farm capital assets.

Finally, long term water management in India dictates a restructuring of the Ministry of Water Resources, the Central Water Commission, and related agencies which are old fashioned supply-side organizations that lack the inter-disciplinary competence required to manage India’s water future.

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