Sewerage System
Bangalore's original sewerage system was built in 1922, a time when the city was much smaller than it is today; the original system served only the heart of the city. In 1950, with the city greatly expanding, a project was initiated to greatly expand the sewerage system. After the BWSSB was formed in the 1960s, programs were again implemented to expand the system to unsewered areas. The current sewer system utilizes stoneware pipes up to 300 millimetres (11.8 in) in diameter, and RCC hume pipes for the mains and outfalls up to 2,100 millimetres (82.7 in) in diameter.
There are three main sewage treatment plants, which are located in the Vrishabavathy, Koramangala-Chellaghatta and Hebbal valleys. Two additional mini-plants have been built near Madiwala and Kempambudi.
Read more about this topic: Bangalore Water Supply And Sewerage Board
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