- India’s groundwater crisis is a hidden emergency, where apparent abundance masks depleting aquifers, declining water levels, and unregulated extraction.
Key Drivers of Groundwater Depletion in India
- Irrigation Overuse: Agriculture accounts for ~89% of groundwater use in India; water-intensive crops like paddy and sugarcane dominate in semi-arid regions (CGWB).
- Subsidised Electricity: Nearly 90% of extracted groundwater is pumped using electric/diesel pumps, with free power in states like Punjab and Haryana driving overuse.
- Rapid Urbanisation: Urban population expected to reach ~600 million by 2030, while cities like Delhi extract over 50% of water from groundwater sources (NITI Aayog).
- Irrigation Inefficiency: Around 80–85% of irrigation uses flood irrigation, with water-use efficiency as low as 30–40%, leading to wastage (CGWB).
- Regulatory Gaps: About 70% of groundwater extraction remains unregulated, and ~25% of assessment units are over-exploited (CGWB 2023).
Current Facts and Data
- High Dependence: India uses ~25% of global groundwater, meeting ~62% irrigation, 85% rural, 50% urban demand.
- Groundwater Stress: About 25% of 6,762 units face overexploitation.
- Declining Water Tables: Groundwater levels are falling by 0.5–1 metre annually in several regions.
- Massive Extraction: Annual groundwater extraction is about ~245 BCM, the highest in the world.
- Water Contamination: Toxic pollutants like arsenic (230 districts), fluoride (up to 469 districts), and nitrate (440 districts) widely contaminate groundwater, posing serious health risks. (CGWB).
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Socio-Economic Impacts of Groundwater Depletion in India
- Agricultural Distress: Groundwater supports ~62% of irrigation, and depletion has led to falling crop yields and rising input costs, especially in Punjab and Maharashtra.
- Farmer Indebtedness: Deepening borewells increases costs (₹1–3 lakh per well), contributing to agrarian debt. E.g., over 50% of farmers are indebted (NSSO).
- Drinking Water Insecurity: About 85% of rural drinking water depends on groundwater; depletion forces reliance on tankers, increasing household expenditure.
- Health Burden: Over 230 districts are affected by arsenic/fluoride contamination, leading to diseases like fluorosis and arsenicosis, raising healthcare costs.
- Urban Inequality: In cities like Bengaluru and Delhi, groundwater depletion drives tanker economies, where poorer households pay 2–5 times higher for water.
Government Initiatives to Address Groundwater Depletion in India
- Atal Bhujal Yojana (Atal Jal): Community-led groundwater management; promotes water budgeting and demand-side reforms in water-stressed areas.
- Jal Shakti Abhiyan – Catch the Rain (JSA-CTR): Enhance rainwater harvesting; focuses on conservation, water body revival, and awareness campaigns.
- National Aquifer Mapping Programme (NAQUIM): Enable scientific management; maps aquifers and provides data for sustainable groundwater use.
- Jal Jeevan Mission (JJM): Reduce groundwater dependence; ensures piped water to rural households.
- Mission Amrit Sarovar: Strengthen recharge systems; develop and rejuvenate ponds to conserve water.
- Jal Sanchay Jan Bhagidari (JSJB): Promote public participation and support community-driven groundwater recharge efforts.
Key Challenges in Groundwater Management in India
- Disjointed Governance: As water is a state subject, policies remain fragmented across states. The lack of a nationally integrated water framework hinders efficient irrigation planning (NIUA).
- Weak Legal Enforcement: Most groundwater use (~70%) is not strictly regulated, as landowners can freely extract water.
- Low Agricultural Efficiency: Around 80–85% farmers use flood irrigation, wasting water due to low efficiency (30–40%) (CGWB).
- Inadequate Funding: India needs about ₹2–3 lakh crore more to improve water systems and recharge groundwater.
- Climate Variability: About 60% farming depends on the monsoon, and irregular rainfall reduces groundwater recharge.
Way Forward for Sustainable Groundwater Management
- Agricultural Reforms: Promote micro-irrigation to save 30–50% water and boost yields, and align PMKSY with Atal Bhujal Yojana to shift cropping patterns.
- Technology-Driven Monitoring: Use IoT sensors, GIS, and AI-based platforms (Bhu-Neer) for real-time monitoring. E.g., expand beyond 43,000 monitoring stations to improve data coverage.
- Financial & Incentive Measures: Introduce DBT for electricity to curb overuse; a groundwater cess can address the ₹2–3 lakh crore funding gap.
- Recharge Solutions: Scale up Managed Aquifer Recharge and rainwater harvesting to achieve ~185 BCM recharge, while increasing reuse of treated wastewater (currently below 30%).
- Climate Resilience: Promote climate-resilient crops and water budgeting in 60% rain-fed areas and link local schemes (MGNREGA works) to recharge efforts.
India’s groundwater crisis demands a shift to sustainable, science-based, and community-driven management. As the saying goes, “Water is life, and conservation is the future,” making collective action vital for long-term water security.
Reference: Down To Earth
UPSC Mains PYQs – Theme – Water Resources
- [UPSC 2018 15M] “The ideal solution for depleting groundwater resources in India is a water harvesting system.” How can it be made effective in urban areas?
PMF IAS Pathfinder for Mains – Question 620
Q. India’s groundwater crisis is a silent emergency driven by overexploitation and weak governance. Examine the key drivers of this crisis, its socio-economic implications, and suggest suitable policy measures. (250 Words) (15 Marks)
Approach
- Introduction: Write a brief introduction about India’s Groundwater Crisis.
- Body: Write key drivers of India’s groundwater crisis, highlight socio-economic implications, and suggest suitable policy measures.
- Conclusion: Emphasis on a collective, integrated approach ensures the sustainable use of groundwater.