Bellandur Lake

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Bellandur Lake
ಬೆಳ್ಳಂದೂರು ಕೆರೆ/ಕೊಳ/ಹಳ್ಳ
Bellandur lake.jpg
Location Bellandur, Bangalore, Karnataka, India
Coordinates 12°56′3″N 77°39′46″E / 12.93417°N 77.66278°E / 12.93417; 77.66278Coordinates: 12°56′3″N 77°39′46″E / 12.93417°N 77.66278°E / 12.93417; 77.66278
Type Lake
Primary outflows Varthur Lake
Catchment area 148 km2 (57 sq mi)
Max. length 3.6 km (2.2 mi)
Max. width 1.4 km (0.87 mi)
Surface area 3.61 km2 (1.39 sq mi)
Average depth 9.21 m (30.2 ft)
Frozen Never
Settlements Bangalore

Bellandur Lake is a lake in the suburb of Bellandur in the southeast of the city of Bangalore and is the largest lake in the city. It is a part of Bellandur drainage system that drains the southern and the southeastern parts of the city. The lake is a receptor from three chains of lakes upstream, and has a catchment area of about 148 square kilometres (37,000 acres). Water from this lake flows further east to the Varthur Lake, from where it flows down the plateau and eventually into the Pinakani river basin.[1] It is currently highly polluted with sewage, and in May 2015 the foam covering the water surface caught fire and burned for hours.


Bellandur Lake is a major water body which is located in one of the three main valleys of Bangalore. It forms a part of Ponnaiyar River catchment, and water from Bellandur flows to Varthur Lake, ultimately joining the Pennar River. Currently, most of Bengaluru's treated and untreated sewage is let into this lake, severely polluting it, resulting in a depletion of wildlife in and around the lake.Impact of Urbanization with ongoing to fulfill the requirements and greed of Humans has cost the lake to lose its glory, forcing the fauna which was previously dwelling to change habitats. Residential and Commercial activities in and around the region has resulted in increasing the silt deposition in and the Surrounding location of lake has been major cause for loss of under-ground water recharge.[2]

Flora & Fauna[edit]

The lake was a prominent catchment area with a good green cover and was a watering hole for the region's numerous, indigenous wildlife. But 30 years of unplanned urbanization have taken a toll on the lake, now several species are gone from the area, including kingfishers, parrots, parakeets, wood pigeons, kites, king cobras, rat snakes, monitor lizards. As more and more large apartment complexes come up on the lakes shores, more such species will disappear.

Impact of Urbanisation[edit]

Locals remove the plant cover on a daily basis, but it grows back rapidly, killing fish and aquatic life.

The land around the lake is used as a dumping ground by builders and housing societies in the area. The combination of all these factors have led to a decline in the once robust eco-system of the lake which now resembles a stinking cesspool. Residents in neighboring areas complain of an odious stench that rises from the lake as a result of uninhibited sewage and chemical dumping from near by industrial units.[3]

Sunset over Lake Bellandur

Conservation Efforts[edit]

Time and again the Bangalore Government has attempted to take positive action to save the lake, but in the end, the maximum efforts come from citizens who plan plantation drives and cleanup programs around the lake. RTI activists like CH Ram have repeatedly brought the Lake's plight to the BBMP's attention, and have been promised affirmative action to save the lake. In 2010, the BBMP adopted a Lake Rejuvenation Program. Under this program, the lake received new fencing around its perimeter, a few saplings were planted and the lake was cleaned up. In 2015, led by IT employee Sanchita Jha, a multi-font online campaign[4][5] was raised by people of the city, with around 50K petitioners, gaining wide scale media attention and forcing the CM to direct the authorities to draw up an action plan. However, the sewage treatment plants and small industries that dispel their wastes into the lake, have still not been stopped and so the lake's main problems still continue. [6] [7]


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