Water management in Dhaka

Baridhara DOHS during 2004 flood

Water management in Dhaka

Dhaka, the capital city of Bangladesh, faces significant challenges in water management due to its rapid urbanization, high population density, and inadequate infrastructure. Effective water management is crucial for ensuring the availability of clean water, proper sanitation, and flood control in the city.

Water Supply

The primary source of water supply in Dhaka is the Buriganga River, along with several other rivers and groundwater sources. The Dhaka Water Supply and Sewerage Authority (DWASA) is responsible for the distribution of water in the city. However, the water supply system is often strained due to the high demand and limited resources.

Groundwater Depletion

Over-reliance on groundwater has led to significant depletion of aquifers in Dhaka. The excessive extraction of groundwater has caused a decline in the water table, making it increasingly difficult to access clean water. This has also led to land subsidence in some areas.

Sanitation and Wastewater Management

Sanitation and wastewater management are critical components of water management in Dhaka. The city's sewerage system is outdated and insufficient to handle the waste generated by its large population. Many areas lack proper sanitation facilities, leading to the contamination of water sources.

Sewage Treatment

DWASA operates several sewage treatment plants, but their capacity is limited. As a result, a significant portion of the city's wastewater is discharged untreated into rivers and canals, contributing to water pollution and posing health risks to residents.

Flood Management

Dhaka is prone to flooding, particularly during the monsoon season. Effective flood management is essential to protect the city from water-related disasters. The Bangladesh Water Development Board (BWDB) is responsible for implementing flood control measures, including the construction of embankments, drainage systems, and flood forecasting.

Urban Drainage

The urban drainage system in Dhaka is often clogged with solid waste, reducing its effectiveness in managing stormwater. Efforts are being made to improve the drainage infrastructure and promote better waste management practices to mitigate flooding.

Challenges and Future Prospects

Water management in Dhaka faces several challenges, including rapid urbanization, population growth, and climate change. Addressing these issues requires a comprehensive approach involving infrastructure development, policy reforms, and community engagement.

Sustainable Practices

Adopting sustainable water management practices, such as rainwater harvesting, wastewater recycling, and the use of green infrastructure, can help mitigate the challenges faced by Dhaka. Additionally, raising public awareness about water conservation and sanitation is crucial for ensuring the long-term sustainability of the city's water resources.

See Also

• Water supply and sanitation in Bangladesh
• Environmental issues in Bangladesh
• Urbanization in Bangladesh
• Floods in Bangladesh