Punjab’s Groundwater Crisis: Crop Diversification and Sustainable Agriculture

GS III: Major crops-cropping patterns in various parts of the country, different types of irrigation and irrigation systems.

Context: Punjab’s groundwater crisis reflects the unintended ecological consequences of an agricultural system built around assured procurement, subsidised inputs and water-intensive crops, making crop diversification and sustainable groundwater management essential for long-term agricultural security.

Green Revolution and the Emergence of Water Stress

• Food Security Imperative: The agricultural strategy adopted during the food-scarcity period encouraged farmers to increase wheat and rice production through high-yielding variety seeds, assured procurement and subsidised electricity and fertilisers.
• Water-Intensive Cropping: The expansion of rice-wheat cultivation in Punjab created increasing dependence on groundwater because rice requires substantial irrigation and is not naturally suited to the region’s agro-climatic conditions.
• Intergenerational Water Debt: The resulting pattern can be understood as borrowing groundwater from future generations to meet present food requirements, highlighting the tension between short-term food security and long-term ecological sustainability.

UPSC Coaching Classes

Alarming Groundwater Depletion

• Dynamic Groundwater Assessment: The Central Ground Water Board (CGWB) assesses groundwater conditions by examining the relationship between groundwater recharge and extraction.
• High Extraction Rate: The 2025–26 assessment discussed in the lecture records a 152% groundwater extraction rate in Punjab, indicating extraction substantially exceeds annual recharge.
• Over-Exploited Blocks: Around 72% of Punjab’s groundwater assessment blocks were described as falling in the over-exploited category, highlighting the scale of the crisis. Five blocks reportedly moved out of the red-zone category compared with the previous two assessments, but the overall situation remains highly stressed.
• Declining Water Table: Several wells have recorded groundwater levels below 40 metres even during the post-monsoon period, while the number of such wells increased between 2022 and 2025, indicating that the problem is becoming structural rather than merely seasonal.

Rice-Wheat Cultivation and Water Intensity

• Large Irrigation Requirement: Rice and wheat cultivation together were discussed as consuming around 25 billion cubic metres of water annually for irrigation, demonstrating the scale of agricultural demand on groundwater resources.
• Cropping Incentives: Farmers continue with rice because the crop is supported by assured procurement, established mandi infrastructure and government purchasing arrangements, reducing market uncertainty.
• Diversification Risk: Alternative crops may expose farmers to uncertainty regarding price realisation, storage, processing, supply chains and assured markets, making crop diversification economically risky for individual farmers.

Groundwater Crisis as a Socio-Economic Issue

• Unequal Adaptive Capacity: Large farmers can respond to falling water tables by investing in deeper tubewells, whereas marginal farmers often lack the financial capacity to make similar investments.
• Transfer of Wealth: When small farmers lose access to their wells, dependence on water supplied by financially stronger farmers can increase, potentially transferring economic benefits from poorer farmers to those possessing greater groundwater-extraction capacity.
• Groundwater as a Common Resource: Although groundwater functions as a shared natural resource, unequal access to extraction infrastructure can convert access to water into an economic advantage for those capable of investing in deeper wells.

UPSC Online Preparation

Farm Size and Groundwater Productivity

• Economic Return versus Water Productivity: The study discussed from Sangrur and Barnala indicates that larger farms may generate higher economic returns while having lower groundwater productivity than smaller farms.
• Water Productivity: Groundwater productivity refers to the amount of agricultural output generated from a given quantity of groundwater, making it an important indicator of resource-use efficiency.
• Financial Advantage of Large Farmers: Greater financial capacity allows large farmers to continue extracting groundwater even as the water table declines, creating an unequal capacity to adapt to groundwater stress.

Existing Government Interventions

• Water-Saving Incentives: The Paani Bachao, Paisa Kamao approach discussed in the lecture links electricity use with financial incentives by limiting free electricity consumption and providing cash incentives when farmers remain below the prescribed threshold.
• Targeted Subsidies: Electricity subsidies can be redirected towards smaller farmers, reducing the possibility that groundwater and electricity support disproportionately benefits larger landholders.
• Shared Irrigation Infrastructure: Collective irrigation infrastructure can reduce dependence of small farmers on individually owned wells and improve access to irrigation resources.
• Tenant Farmer Inclusion: Welfare and agricultural support measures need to reach tenant farmers and cultivators, rather than remaining limited to formal landowners.

Way Forward

• Crop Diversification: Punjab needs economically viable alternatives to rice-wheat cultivation through assured markets, price support, processing facilities and supply-chain development for alternative crops.
• Water-Smart Agriculture: Policies should promote micro-irrigation, improved irrigation efficiency, water-saving cultivation practices and groundwater-recharge measures.
• Risk Reduction for Farmers: Diversification will succeed only when farmers are protected against market risks through appropriate procurement, storage, processing and price mechanisms.
• Equitable Water Governance: Groundwater policies should recognise unequal adaptive capacity and ensure that small and tenant farmers have access to shared irrigation infrastructure and targeted support.
• Incentive-Based Conservation: Electricity pricing and subsidy reforms should reward water conservation rather than excessive extraction, while protecting vulnerable farmers.

Click to Know UPSC Coaching Centres in India

Conclusion

Punjab’s groundwater crisis demonstrates that agricultural sustainability cannot be separated from economic incentives. A durable solution requires moving from input-intensive production towards water-efficient, diversified and economically secure agriculture, while ensuring that groundwater remains an equitable common resource.

Check Out UPSC CSE Books

Visit PW Store