Paper: GS – II, Subject: Society and Social Justice, Topic: Social Sector – Health, Issue: Water-Borne Diseases and Sewerage Infrastructure in Kerala.
Context:
Recently, Kerala has reported repeated outbreaks of acute diarrhoeal diseases, Hepatitis A, shigellosis, norovirus and amoebic meningoencephalitis. This is worrying because Kerala is known for strong public-health services and effective control of diseases such as Nipah. The outbreaks show serious gaps in safe water, sewerage and sanitation systems.
Key Takeaways:
Explanation:
Scale of the Problem:
- Kerala reports around four to five lakh cases of acute diarrhoeal diseases every year.
- The State has faced repeated outbreaks of Hepatitis A, shigellosis and norovirus.
- Amoebic meningoencephalitis, a rare and dangerous brain infection, has also been linked to contaminated wells.
- These outbreaks mainly result from faecal matter entering drinking-water sources.
Root Causes of the Crisis:
- Kerala has less than 6% sewerage coverage; progress under the Atal Mission for Rejuvenation and Urban Transformation (AMRUT) for urban water and sewerage has remained poor.
- Septic tanks are badly designed, poorly maintained and located close to wells, causing direct faecal and coliform contamination of groundwater.
- Rural outbreaks are linked to local drinking water sources supplied without adequate filtration or chlorination.
- Water pipelines often run near sewage drains, allowing contamination through cracks and leaks; wells are also not cleaned or chlorinated regularly.
- Kerala has invested more in hospitals and disease treatment than in sewerage and environmental health infrastructure.
- Responsibility is divided among health departments, local bodies, water authorities and planning agencies, creating coordination gaps.
- The crisis is not a health-sector failure alone but a result of weak urban planning and long-term under-investment in sanitation.
Way Forward:
- Kerala must expand sewerage networks and wastewater-treatment plants.
- Septic-tank standards, well testing, filtration and chlorination should be strictly enforced.
- Health agencies, municipalities and water authorities must work together.
Conclusion:
Kerala’s experience shows that good hospitals alone cannot ensure good public health. Clean water, safe sewerage and regular monitoring are equally essential. Environmental health must become a central development priority.
Source: (The Hindu)
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