The Ganges River is considered the most polluted river in India due to the discharge of untreated sewage, industrial waste, and agricultural runoff.

Sewage discharge from cities and towns along the Yamuna River is the primary source of pollution, contributing to high levels of fecal coliform bacteria and organic matter.

Guwahati, located in the northeastern state of Assam, is the primary contributor to pollution in the Brahmaputra River due to the discharge of untreated sewage and industrial waste.

Fertilizer runoff from agricultural fields is the primary cause of pollution in the Godavari River, leading to eutrophication and algal blooms.

The Central Pollution Control Board (CPCB), Ministry of Environment, Forest and Climate Change (MoEFCC), and National Green Tribunal (NGT) collectively monitor and regulate river pollution in India.

The Ganga Action Plan (GAP) is a program launched by the Indian government to clean up the Ganges River and its tributaries.

The Ganges River has been declared as a 'National River' in India due to its cultural and religious significance.

Industrial effluents discharged into rivers in India contain a variety of pollutants, including heavy metals, toxic chemicals, and organic solvents.

The Kosi River in India is known as the 'Sorrow of Bihar' due to its frequent flooding and unpredictable behavior, causing significant damage and displacement.

Industrial waste from paper mills, chemical plants, and textile factories is the primary source of pollution in the Narmada River.

The Narmada River is considered the 'Lifeline of Gujarat' due to its importance as a source of water for irrigation, drinking, and industrial purposes.

Agricultural runoff in India contains a variety of pollutants, including pesticides, fertilizers, and herbicides, which contribute to river pollution.

The Tapi River in India is known as the 'River of Sorrows' due to its history of flooding and the challenges faced by communities living along its banks.

Sewage discharge from cities and towns along the Krishna River is the primary source of pollution, contributing to high levels of fecal coliform bacteria and organic matter.

The Godavari River in India is considered the 'Dakshin Ganga' or 'Southern Ganges' due to its cultural and religious significance.