By Dr Zawwar Hussain
Water is the lifeblood of civilizations. It shapes economies, sustains societies, and quietly underpins the rhythm of everyday life. Nowhere is this more evident than in Sindh, where the River Indus has nurtured human settlement for millennia. From the well-planned streets and drainage systems of Mohenjo-daro to the fertile plains that feed millions today, water has been both a gift and a responsibility. Yet Sindh’s relationship with its most vital resource has long been constrained—not by nature alone, but by the legacies of history and governance.
For more than a century, colonial frameworks have dictated how water is managed in Sindh. The Sindh Irrigation Act of 1879 was crafted not for local welfare but for imperial economic extraction. Water was treated as a tool of control, not a public trust. Centralized authority sidelined communities, disregarded ecological balance, and imposed rigid engineering solutions. This approach survived well into the post-independence era, creating institutional inertia and fragmented governance that persist to this day. The river’s natural rhythms were subordinated to administrative convenience, a model ill-suited to the complex realities of the twenty-first century.
The consequences of this inherited system are stark. Pakistan is now firmly in the grip of water scarcity, with per capita freshwater availability plummeting from over 5,600 cubic meters in the 1950s to less than 1,000 today—a threshold recognized internationally as a marker of severe scarcity. Sindh, with its arid climate and low rainfall, is particularly exposed. Many districts receive barely 100 to 200 millimeters of precipitation annually, leaving the province almost entirely dependent on the Indus for agriculture, domestic use, and industrial demand. Yet upstream abstractions, inefficient distribution, sedimentation, and weak enforcement of interprovincial agreements have left the province receiving far less than its historical share, sometimes 30 to 45 percent below expected levels during crucial growing seasons.
Groundwater, long a fallback during surface shortages, is increasingly compromised. Coastal districts such as Badin and Thatta face rising salinity and contamination due to over extraction and seawater intrusion. Most wells now exceed safe thresholds for salinity and total dissolved solids, forcing communities to rely on polluted or expensive alternative sources. Safe water is no longer a given; it is a daily struggle for survival.
Agriculture, which consumes roughly 80 percent of Sindh’s water, suffers from inefficiency as well as scarcity. Traditional flood irrigation dominates, losing vast quantities of water to seepage and evaporation, with only a third reaching crop roots. This mismanagement depresses yields of staples such as wheat, rice, and cotton, reduces farmer incomes, and accelerates land degradation through waterlogging and salinity. Rural livelihoods are imperiled, and migration to urban centers intensifies, exacerbating social and economic pressures in cities already struggling to absorb population growth.
Environmental impacts are equally severe. The Indus Delta, once a globally significant ecosystem, has shrunk as freshwater inflows have diminished. Salinity has penetrated inland, mangroves have withered, soils have degraded, and fisheries have declined. Inland wetlands, such as Manchar Lake, have been devastated by altered hydrology and pollution, with biodiversity and water quality suffering catastrophic losses. Climate change acts as a threat multiplier, amplifying evaporation, altering rainfall patterns, and producing both floods and prolonged droughts. The result is an ever-narrowing margin for error, leaving communities and ecosystems exposed.
Public health, too, is at risk. Contaminated rivers, canals, and aquifers, exacerbated by untreated industrial effluents and agricultural runoff, increase the incidence of waterborne diseases, disproportionately affecting women and children and reinforcing cycles of poverty and vulnerability. Incremental reform is no longer enough. The challenge demands a comprehensive, integrated, and scientifically informed approach.
Sindh’s proposed Water Resources Management Law represents a critical step in this direction. For the first time, water is being considered holistically, linking surface water, groundwater, drainage, wetlands, environmental flows, and quality standards within a single governance framework. This vision moves beyond colonial command-and-control to evidence-based, adaptive management, incorporating hydrological science, ecological limits, and sustainability principles. Central to the plan is local participation. Farmers and communities, historically sidelined, are now recognized as essential stakeholders. Their inclusion promises greater accountability, improved maintenance, and decisions that reflect lived realities rather than abstract bureaucratic formulas.
(The writer is a PhD scholar with a strong research and analytical background and can be reached at editorial@metro-Morning.com)
