waste water management

2. Wastewater Generation Data of India
• Estimated total: 72,368 million litres per day (MLD) as of March 2021 (Source: Press Information
Bureau)
• Urban areas: 52,000 MLD (Source: Central Pollution Control Board)
• Wastewater Generation Sources:
• Rural areas: 20,368 MLD (estimated)
• Domestic: 67% (Source: Central Pollution Control Board)
• Industrial: 25% (Source: Central Pollution Control Board)
• Commercial: 8% (Source: Central Pollution Control Board)
Urban
72%
Rural
28%
72368 MLD
Urban
Rural
67%
25%
8%
72368 MLD
Domestic
Industrial
Commercial

3. Wastewater Generation in the World:
• Estimated total: 359.4 billion cubic meters per year (Source: Qadir et al., 2021)
• Domestic: 63% (225.6 billion cubic meters) (Source: Qadir et al., 2021)
• Industrial: 22% (79.2 billion cubic meters) (Source: Qadir et al., 2021)
• Agricultural: 15% (54.6 billion cubic meters) (Source: Qadir et al., 2021)
63%
22%
15%
359.4 BCM/ year
Domestic
Industrial
Agriculture