Context
- The article examines India’s growing water scarcity, climate pressures, and governance gaps, while proposing structural reforms to treat water as a strategic national asset.
- Source: Our water challenge is stark. Here are four ways to reimagine the solution, The Indian Express
India’s structural water scarcity:
- Resource imbalance: India has 18% of global population but only 4% of freshwater resources
- Declining availability: per capita water availability fell from 1,816 cubic metres (2001) to 1,486 (2021) and may reach scarcity threshold (1,000) by 2050
- Development constraint: rising demand in an urbanising economy is exceeding sustainable supply, affecting growth and wellbeing
Climate variability and hydrological stress:
- Monsoon shifts: 55% of tehsils saw rainfall increase by over 10%, leading to intense short-duration rainfall and urban flooding
- Regional imbalance: 11% of tehsils, especially in Indo-Gangetic plains, face declining rainfall during critical sowing months
- Economic cost: extreme climate events caused losses of around Rs 5 lakh crore (2019–2023)
- Vulnerability: over 80% of population lives in districts prone to hydro-meteorological disasters
Reconceptualising water as a strategic asset:
- Governance shift: water must be treated as an economic and strategic resource rather than a free good
- Transformation potential: improved governance can turn water into a catalyst for growth across sectors
Green water and ecosystem-based management:
- Concept of green water: soil moisture that sustains rainfed agriculture, accounting for nearly 60% of rainfall storage globally
- Soil health linkage: degradation of soil organic carbon reduces water retention capacity
- Regenerative practices: mulching, no-till farming, and cover cropping enhance soil-water retention
- Forest role: upstream forest protection regulates downstream water flows
- Policy proposal: National Green Water Mission to integrate soil, crops, and landscape management
Distortions in agricultural water use:
- Sectoral dominance: agriculture consumes nearly 90% of India’s water
- Low productivity: water productivity is $0.52 per cubic metre, far below China’s levels
- Policy distortion: procurement and fertiliser subsidies incentivise water-intensive crops like rice
- Diversification strategy: shifting 3.6 million hectares from rice to millets and pulses can save 29 billion cubic metres annually
- Triple dividend: improves nutrition, reduces environmental stress, and lowers fiscal burden
Circular water economy and reuse:
- Current gap: only 28% of urban wastewater is treated, with minimal reuse
- Economic opportunity: treated wastewater economy could reach Rs 3.2 lakh crore by 2047
- Co-benefits: enables recovery of biogas, fertilisers, and generates over 1 lakh jobs
- Institutional need: requires city-level reuse targets, PPPs, and governance reform
Urban water management and blue-green infrastructure:
- Urbanisation impact: built-up area has expanded significantly, reducing groundwater recharge and increasing flood risk
- Sponge city concept: integrating wetlands, urban forests, and permeable surfaces to manage stormwater
- Loss of water bodies: over half of Delhi’s 1,300 water bodies have been encroached
- Example: Yamuna Biodiversity Park demonstrates ecological restoration and resilience
- Policy extension: Swachh Bharat Mission 3.0 for peri-urban areas to decentralise waste treatment
Water governance and pricing reforms:
- Need for transparency: real-time water accounting through digital infrastructure
- Market mechanisms: introduction of bulk water trading systems
- Tariff rationalisation: move toward cost recovery while protecting vulnerable groups through targeted subsidies
- Equity concern: poor often pay higher rates via informal tanker markets
Strategic importance of water in future:
- Geopolitical dimension: water is emerging as a critical resource amid global supply chain disruptions
- Finite resource: requires careful planning and governance to avoid crisis
- Development linkage: water management will shape India’s environmental sustainability and economic trajectory
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