Archive · 17 Sep 2025
Wastewater Management in India: Addressing Water Scarcity
India faces water scarcity, and one way to help is by cleaning and reusing wastewater.
Cities produce a lot of sewage, but most of it isn't treated properly, polluting rivers and causing health problems.
The government has laws and programs to fix this, like the new Liquid Waste Management Rules.
Advanced technologies like Membrane Bioreactors can clean water well, and simpler methods like wetlands can also help.
It is important to have an integrated approach to wastewater management and encourage reusing clean water.
India is facing acute stress on its water systems due to factors including rapid urbanization.
Only 28% of urban wastewater in India is treated, the rest pollutes water bodies and land.
Domestic sewage, industrial effluents, and agricultural runoff are major wastewater sources.
Contaminated water causes waterborne diseases, affecting millions annually.
Legal frameworks like the Water Act and National Water Policy are in place, but enforcement and implementation are uneven.
- Who
- Individuals, industries, government, and communities
- What
- Managing wastewater to address water scarcity and promote reuse
- When
- Ongoing
- Where
- India, particularly in urban areas and water-stressed regions
- Why
- To conserve water resources, reduce pollution, and improve public health
- Sewage Generation
- Over 72,000 MLD daily
- Treatment Capacity
- Less than 32,000 MLD
- Treated Wastewater
- Only 28% of urban wastewater
- Untreated Wastewater
- 72% flows into water bodies and land
- Main Wastewater Sources
- Domestic sewage, industrial effluents, agricultural runoff
- Affected Population
- 37.7 million Indians affected by waterborne diseases annually
- Key Legislation
- Water (Prevention and Control of Pollution) Act, 1974