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The Ganges River is considered sacred by Hindus worldwide and is the most famous river in India. However, it is also one of the most polluted rivers in the world. The river supplies water to approximately 40% of India's population across 11 states, serving an estimated 500 million people. The main causes of water pollution in the Ganges are the disposal of untreated human sewage and animal waste, increasing population density, and the discharge of industrial waste. Traditional religious practices, such as depositing cremated or partially burned bodies into the river, further contribute to the pollution. Despite various initiatives and cleanup efforts, significant success in cleaning the river has been limited.
| Characteristics | Values |
|---|---|
| Population relying on the river | Hundreds of millions |
| River length | 1,560 miles (2,510 km) |
| Number of states supplied with water | 11 |
| Population supplied with water | 500 million |
| Main causes of pollution | Disposal of untreated human sewage, animal waste, industrial waste, agricultural runoff |
| Number of cities with populations over 100,000 residents that the river flows through | 100 |
| Number of cities with populations between 50,000 and 100,000 residents that the river flows through | 97 |
| Number of towns that the river flows through | 48 |
| Number of bodies found in the river in 2015 | Over 100 |
| Number of Indian children dying annually from drinking contaminated water | 300,000 |
| Number of Ganges river dolphins left in the river | 1,200-1,800 |
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What You'll Learn
Population growth and industrialisation
Population growth and industrialization have been key factors in the pollution of the Ganges River. The river flows through one of the most densely populated regions in the world, with a rapidly growing population that contributes to the increasing volume of wastewater and waste discharge into the river. The Ganges basin is witnessing rapid urbanization, with rural populations migrating to cities like Varanasi and Kolkata, located along the river basin. This influx of people has strained the existing sewage treatment infrastructure, leading to higher levels of untreated effluents entering the river.
The river supports approximately 40% of India's population across 11 states, serving an estimated 500 million people, which is more than any other river in the world. This large population relies on the Ganges for various purposes, including water supply, irrigation, and transportation. The river flows through 100 cities with populations exceeding 100,000 residents, 97 cities with populations between 50,000 and 100,000, and about 48 towns. The increasing population density along the river has led to a higher volume of domestic wastewater and organic waste being discharged into the river.
Industrialization has also played a significant role in polluting the Ganges. Several industrial cities, such as Kanpur, Prayagraj, Varanasi, and Patna, are located on the banks of the river, along with tanneries, chemical plants, textile mills, distilleries, slaughterhouses, and hospitals. These industries contribute to the river's pollution by dumping untreated industrial waste, including toxic and non-biodegradable substances, directly into the river. Industrial effluents account for about 12% of the total volume of waste reaching the Ganges, and their toxic nature makes them a major concern.
The combination of population growth and industrialization has resulted in a significant increase in pollution levels in the Ganges River. The river's ability to dilute and absorb pollutants has been diminished due to reduced water flows, exacerbated by dams and pumping stations constructed for irrigation and drinking water. The high volume of wastewater and waste discharge, coupled with inadequate sewage treatment, has led to severe pollution levels that pose a significant threat to human health and the environment.
To address these issues, there have been calls for improved waste management systems, infrastructure development, and sustainable practices to reduce the pollution levels in the Ganges River and mitigate their impact on the environment and human health.
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Religious practices
The Ganges River is considered sacred in Hinduism and is designated as the ""National River of India". It is revered as Mother Goddess Ganga, a sustainer of life, and a witness to the unfolding of civilisation. The river is a vital source of water for over 40% of India's population and supports hundreds of millions of people.
However, traditional religious practices, such as ritual bathing, leaving offerings, and depositing cremated or partially burned bodies, have contributed to the pollution of the Ganges. The river has become severely polluted due to a combination of factors, including the disposal of untreated human sewage, industrial waste, and agricultural runoff.
Ritual bathing, or taking a dip in the holy waters of the Ganges, is a prominent religious activity for Hindus. It is believed that bathing in the Ganges washes away a person's bad karma and brings spiritual merit. During festivals and large-scale gatherings, such as the Kumbh Mela held every 12 years, millions of people participate in ritual bathing, which intensifies the pollution of the river.
In recent years, there have been efforts to reduce the environmental impact of religious practices associated with the Ganges. For example, electric crematoria have been introduced in Varanasi and other holy riverside towns as an alternative to traditional wooden pyres. This helps reduce river pollution and preserve trees. Additionally, educational programs have been implemented to raise awareness among riverside residents about the importance of keeping the river clean.
Some Hindu religious leaders and activists have played a significant role in advocating for the preservation and restoration of the Ganges. GD Agrawal, a former environmental engineer turned religious leader, undertook hunger strikes to draw attention to the environmental threats facing the river. Other Hindu holy men, such as Chidanand Saraswati, have spoken out against the pollution, stating that India is "killing its own mother."
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Agricultural runoff
The Ganges River is the largest river in India and is considered sacred in Hinduism. It supplies water to approximately 40% of India's population across 11 states, serving an estimated 500 million people.
The river has been severely polluted, posing a significant threat to human health and the environment. While the exact date of when pollution started in the Ganges River is unclear, it has likely been an issue for many years. One of the main causes of pollution in the river is agricultural runoff, which contributes significantly by increasing the nutrient load and introducing toxic pollutants.
The toxic chemicals used in pesticides and fertilizers can be dangerous to anyone who uses the river for drinking, bathing, or cooking. These chemicals have been found in concentrations exceeding international safety standards and are known to cause cancer and other severe health issues. Additionally, they contribute to the decline in aquatic life, as they are killing large populations of fish and other aquatic organisms.
To address the issue of agricultural runoff, there have been efforts to promote sustainable farming practices and organic farming methods. The Clean Ganga Campaign, for example, aims to raise awareness about the dangers of toxic chemicals in pesticides and fertilizers and encourages a return to organic farming. The Ganga Action Parivar also emphasizes the importance of implementing policies that prevent toxic chemical runoff, educating farmers about sustainable practices, and creating wastewater management plans. By adopting conservation agriculture, crop rotation, and using organic fertilizers, farmers can minimize pollution and reduce the negative impact on the Ganges River.
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Dams and barrages
The Ganges River is considered sacred by Hindus, and it is the most populated river basin in the world, with more than 650 million people calling it home. The river flows through India and Bangladesh, and its large delta in the Bengal area lies mostly in Bangladesh. The Ganges River has been facing significant challenges due to pollution and the construction of dams and barrages. The river's water dispute between India and Bangladesh has been a long-standing issue, with the Farakka Barrage being a significant point of contention.
The Ganges River and its tributaries have long been recognised for their enormous hydroelectric potential, estimated at 51,700 to 128,700 megawatts. While India has harnessed a significant portion of this potential, concerns have arisen regarding the environmental impact of these structures. These concerns include the destruction of terrestrial and aquatic habitats, the forced relocation of people living in the paths of dams and reservoirs, agricultural land loss, and disruptions to water supplies for nearby inhabitants.
One of the most well-known barrages on the Ganges River is the Farakka Barrage, located near the India-Bangladesh border. The construction of this barrage in 1951 sparked a water dispute between the two countries, leading to the signing of the Indo-Bangladesh Ganges Water Treaty in 1996. The treaty addressed water-sharing issues, stipulating that if the Ganges flow at Farakka fell below 2,000 m3/s, both countries would receive 50% of the water, alternating every ten days. However, the flow at Farakka often dropped below the historic average, making it challenging to implement this agreement.
Another notable barrage is the Lav Khush Barrage across the River Ganges in Kanpur. Additionally, the Tehri Dam was constructed on the Bhagirathi River, a tributary of the Ganges, despite controversy due to its location in an earthquake-prone area. The Bansagar Dam was built on the Sone River, a Ganges tributary, for irrigation and hydroelectric power generation.
The construction of these dams and barrages has disrupted the natural flow of the Ganges River, particularly during dry seasons. This disruption has reduced the river's capacity to dilute and absorb pollutants, exacerbating the impact of pollution on the river's ecosystem and the health of the people and wildlife that depend on it.
To address the issue of reduced water flow, there have been calls for the demolition of upstream dams or the construction of new ones to regulate water flow more effectively. However, these suggestions are complex and require careful consideration of various factors, including environmental impacts and the needs of the people and wildlife in the region.
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Government initiatives
The Ganges River, the largest river in India, is a subject of environmental justice. The river supplies water to approximately 40% of India's population across 11 states, serving an estimated 500 million people. The ongoing pollution of the river poses a significant threat to both human health and the environment.
The Indian government has launched several initiatives to address the pollution in the Ganges River, recognizing the urgent need for comprehensive solutions. Here are some key government initiatives:
- Ganga Action Plan (GAP): Initiated in June 1985 by then-Prime Minister Rajiv Gandhi, the Ganga Action Plan aimed to address the pollution in the Ganges. The plan covered 25 Class I towns across three states, with significant funding allocated to tackle the issue.
- National Mission for Clean Ganga (NMCG): Established in October 2016, the NMCG is the implementation wing of the National Ganga Council. Its primary objective is to comprehensively clean the Ganges and its tributaries. Under the NMCG, the Namami Gange Programme was launched in 2014 as a flagship initiative with a budget of ₹20,000 crore.
- Namami Gange Programme: This programme is a significant government initiative to clean the Ganges. It was recognized as a World Restoration Flagship by the UN Decade on Ecosystem Restoration. The programme focuses on effective pollution abatement, conservation, and rejuvenation of the river. By 2016, an estimated ₹30 billion (US$460 million) had been spent on various cleanup efforts, including constructing new treatment plants to handle billions of litres of wastewater daily.
- Hybrid Annuity Model (HAM) Public-Private Partnerships (PPPs): The World Bank Group and the International Finance Corporation (IFC) have collaborated with the Indian government to develop HAM PPPs for building and operating sewage treatment plants along the Ganges. This innovative model links payments to strict performance indicators, ensuring the sustainable operation of the plants.
- Awareness and Stakeholder Participation: The government has also focused on expanding education on river conservation at the primary schooling level and enhancing collaboration with various stakeholders, including NGOs, local communities, and government bodies. During the lockdown, a significant reduction in human activity positively impacted the river's water quality, highlighting the importance of stakeholder participation.
- Ban on Riverbed Mining: In 2011, following protests by Hindu monks and activists, the Government of Uttarakhand issued an order to ban riverbed mining in the Bhogpur and Bishanpur ghats of the Ganges. A special committee was formed to assess the environmental impacts of quarrying in the river.
Despite these initiatives, the complex nature of the pollution in the Ganges has made it challenging to achieve significant success in cleaning the river. However, the Indian government remains committed to exploring comprehensive solutions and partnering with international organizations to restore the health of this vital river.
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Frequently asked questions
It is hard to pinpoint when the pollution of the Ganges River started, but it is likely that the river has been polluted for a long time due to traditional religious practices such as ritual bathing and the deposition of cremated or partially burned bodies.
The main causes of water pollution in the Ganges River are the disposal of untreated human sewage and animal waste, increasing population density, and the discharge of industrial waste into the river.
Pollution has severely impacted the ecosystem of the Ganges River. It poses significant risks to human health, with high levels of disease-causing bacteria and toxic substances found in the water. It has also led to the decline and local extinction of native fish species and endangered species such as the Ganges river dolphin and softshell turtle.
Several initiatives have been undertaken to clean the Ganges River, including the Ganga Action Plan and the Namami Gange Programme. In 2014, the Indian government announced the Namami Gange project, and by 2016, an estimated $460 million had been spent on various cleanup efforts with limited success.
The Ganges River is revered as a living goddess by Hindus worldwide and is considered the holy river of Hinduism. Hindus believe in the healing and cleansing powers of the river. However, traditional religious practices, such as ritual bathing and the deposition of ashes or bodies after cremation, contribute to the pollution load in the river.
