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In the future DWASA plans massive investment to replace dwindling groundwater resources with treated surface water from less polluted rivers located up to 160 km from the city. [1] In 2011 Bangladesh's capital development authority, Rajdhani Unnayan Kartripakkha , made rainwater harvesting for new houses mandatory in an effort to address water ...
Bangladesh heavily depends on the flow of the Brahmaputra, Meghna and Ganges river basins that originate in India, Nepal and China. Whereas deforestation and flood control in the upstream catchment areas increase the flood peaks in Bangladesh, water withdrawals and water diversions may result in water shortages in the dry season. [15]
Bangladesh Water Development Board is a government agency which is responsible for flood control, drainage and irrigation i.e. water management in Bangladesh and its headquarters is located in Pani Bhaban, Dhaka. [1] [2] Muhammad Amirul Haque Bhuya is the running Director General of the board since 7 March 2024. [3]
This ministry prepares and implements development projects on flood control, irrigation and drainage, prevention of riverbank erosion, delta development, land reclamation, etc. through the construction of barrages, regulators, sluices, canals, embankments, rubber dams, flood control dams, coastal embankments and canals.
A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.
The main part of such a system is made up of large pipes (i.e. the sewers, or "sanitary sewers") that convey the sewage from the point of production to the point of treatment or discharge. Sewers under construction in Ystad, Sweden. Types of sanitary sewer systems that all usually are gravity sewers include: Combined sewer; Simplified sewerage ...
An example of a wastewater treatment system. Sanitary engineering, also known as public health engineering or wastewater engineering, is the application of engineering methods to improve sanitation of human communities, primarily by providing the removal and disposal of human waste, and in addition to the supply of safe potable water.
A map showing the major rivers in Bangladesh. River Padma in Rainy Season River Meghna as viewed from a bridge Ganges and Brahmaputra. Bangladesh is a riverine country. According to Bangladesh Water development board (BWDB) [1] about 907 rivers currently flow in Bangladesh (during summer and winter), although the numbers stated in some sources are ambiguous.