NGT Raises Alarm Over Chromium Contamination in Uttar Pradesh

The National Green Tribunal (NGT) has raised alarms over chromium contamination in Uttar Pradesh, underscoring the urgent need for safe drinking water in the affected areas. This issue is critical for UPSC aspirants, particularly for GS Paper 3, which covers environmental issues and public health. Last Updated: 2025-11-14

Key Facts About Chromium Contamination

• NGT raises concerns over chromium contamination in Uttar Pradesh.
• Chromium is a toxic metal found in water.
• Hexavalent chromium (Cr(VI)) is highly toxic.
• Exposure to Cr(VI) can lead to severe health issues.
• Trivalent chromium (Cr(III)) is essential in trace amounts.
• Sources of chromium contamination include industrial effluents.
• Mining waste contributes to water pollution.
• Urban runoff and polluted irrigation are significant sources.
• Improper disposal and accidental spills also add to contamination.
• Natural leaching from rocks contributes to groundwater pollution.
• Maximum permissible concentration of Cr(VI) in drinking water is 50 micrograms per liter.
• Remediation methods include adsorption and biosorption.
• Ion exchange replaces harmful ions with less toxic ones.
• Advanced techniques like photocatalysis show high efficiency.
• Addressing this issue is crucial for public health.
• Government action and innovative technologies are needed for solutions.

Environmental and Public Health Significance

The chromium contamination issue in Uttar Pradesh highlights a broader environmental challenge that impacts India's public health and sustainable development goals. Ensuring safe drinking water aligns with India's commitment to the United Nations Sustainable Development Goals (SDGs), particularly Goal 6: Clean Water and Sanitation. Chromium contamination also affects agricultural productivity and ecosystem health, necessitating comprehensive policy interventions and technological advancements.

Related Government Schemes/Policies

• National Water Mission: Aims to ensure integrated water resource management.
• Namami Gange Programme: Focuses on pollution abatement and river rejuvenation.
• Jal Jeevan Mission: Provides safe and adequate drinking water through individual household tap connections.

UPSC Relevance

GS Paper 1: Environmental geography and its impact on human life.
GS Paper 2: Government policies and interventions for development in various sectors.
GS Paper 3: Environmental pollution and degradation, environmental impact assessment.
Prelims: Facts about chromium, permissible limits, and health impacts.
Mains: Analytical themes on environmental governance, public health policies, and sustainable development.

FAQ Section

• What is chromium contamination? Chromium contamination refers to the presence of chromium, particularly hexavalent chromium (Cr(VI)), in water bodies, which poses significant health risks.
• Why is chromium contamination important? Chromium contamination is crucial due to its severe health impacts, including cancer risks, and its contribution to environmental degradation, affecting both human and ecological health.
• What are the key features of chromium contamination? Key features include its sources such as industrial effluents and mining waste, its health impacts, and the need for remediation techniques like adsorption and ion exchange.