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  • Current Affairs Corner

  • Water-Borne Diseases Surge Sharply Across India: Environmental Factors and Public Health Concerns

Water-Borne Diseases Surge Sharply Across India: Environmental Factors and Public Health Concerns

Why in the News?

Data tabled in the Rajya Sabha shows a steep rise in water-borne diseases in India over the last five years, raising concerns about water quality, sanitation gaps, and public health preparedness, even as acute diarrhoeal cases declined. This surge highlights the critical need for robust environmental clearance processes and impact assessments to safeguard public health.

Alarming Rise in Water-Borne Diseases:

  • India has witnessed a multi-fold increase in major water-borne diseases between 2021 and 2025, according to Union Health Ministry data. This trend underscores the importance of stringent environmental clearances and adherence to the Forest Conservation Act to protect water sources.
  • Hepatitis A cases surged by 890%, rising from 4,089 (2021) to 40,464 (2025). Such a dramatic increase calls into question the effectiveness of current environmental impact assessment practices.
  • Cholera cases increased by 421%, from 217 to 1,131 over the same period, highlighting potential gaps in coastal regulation zone management and water treatment facilities.
  • Leptospirosis cases jumped 243%, from 6,086 to 20,888, while typhoid cases rose 191%, reaching 5.67 lakh cases in 2025. These figures emphasize the need for comprehensive environmental clearances to mitigate pollution risks.
  • Hepatitis E cases also showed a significant 87% rise, indicating persistent challenges in safe drinking water and sewage management, areas where the polluter pays principle could be more rigorously applied.

State-wise Burden and Disease Patterns

  • Madhya Pradesh reported the highest typhoid burden in 2025 with 56,007 cases, followed by Karnataka and Chhattisgarh. This distribution suggests a need for region-specific environmental jurisprudence to address water quality issues.
  • In cholera, Delhi topped the list with 385 cases, ahead of Gujarat and Karnataka, pointing to urban environmental challenges that may require ex post facto environmental clearances for existing infrastructure.
  • Kerala recorded the highest Leptospirosis cases (4,279), followed by Tamil Nadu and Karnataka, reflecting links with monsoon exposure and flooding. This trend underscores the importance of the precautionary principle in environmental governance.
  • The data was compiled under the Integrated Disease Surveillance Programme, covering all States and Union Territories, providing a comprehensive picture for environmental democracy initiatives.
  • The figures were tabled by Prataprao Jadhav in response to questions on disease trends, highlighting the need for transparency in environmental impact assessments.
About Public Health and Water-borne diseases:
● Water-borne diseases are closely linked to unsafe drinking water, poor sanitation, urban flooding and climate variability. The rise in cases emphasizes the need for robust environmental clearance processes.
● Rising cases coexist with a sharp decline in Acute Diarrhoeal Diseases (ADD), which fell from over 6 million (2021) to 2.35 million (2025), indicating uneven public health outcomes and the potential impact of retrospective environmental clearances.
● Key national responses include Jal Jeevan Mission, Swachh Bharat Mission, and IDSP-based early warning systems. These initiatives should be complemented by stricter adherence to the EIA notification and environmental jurisprudence.
● The trend highlights gaps in urban water governance, wastewater treatment, and rural infrastructure maintenance, areas where post facto environmental clearances may be necessary to address existing challenges.