Why in news?

• CPCB celebrated its 51st Foundation Day on September 22, 2025, in New Delhi. 
• New CPCB laboratories were inaugurated in Pune and Shillong, equipped for advanced environmental monitoring. 
• Also launched an updated version of the SAMEER App for enhanced pollution monitoring and public engagement. 
• Additionally, a technical report on polluted river stretches and a manual on freshwater benthic macroinvertebrates in India were released

About Central Pollution Control Board (CPCB)

• The Central Pollution Control Board (CPCB) is a statutory organization operates under the Ministry of Environment, Forest and Climate Change.
• The CPCB's key roles include promoting cleanliness of water bodies, improving air quality, and preventing and controlling water and air pollution across India.

Key Points about CPCB:

• Establishment and Legal Basis: Constituted in 1974 under the Water Act and empowered by the Air Act in 1981.
• Principal Functions:
  • Promote cleanliness of streams and wells by preventing, controlling, and abating water pollution.
  • Improve air quality and control air pollution.
• Advisory Role: Advises the Central Government and State Governments on pollution control related matters and environmental standards.
• Coordination: Coordinates activities of State Pollution Control Boards and resolves conflicts among them.
• Monitoring: Implements National Air Monitoring Programme to assess air quality trends and establish background data.
• Standard Setting: Lays down standards for emission, discharge, and environmental quality including water and air.
• Technical Assistance: Provides technical support, investigation, research, training, and awareness programs.
• Legislative Role: Ensures implementation of environmental laws and pollution control programs.
• Specific Powers in Union Territories: Acts as the State Pollution Control Board and monitors industrial pollution sources.
• Public Awareness: Conducts mass awareness campaigns on pollution prevention and control.
• Data Management: Collects and disseminates technical and statistical data on pollution.

CPCB also develops manuals, codes, and guidelines related to pollution control and environmental management, including standards for treatment and disposal of sewage, trade effluents, and industrial emissions.

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