Lakes of Bendakaluru

Satellite view: Esri, Maxar, Earthstar Geographics

Byrasandra

ಕೆಳಗಿಯನ್ಕೆರೆ ಸರೋವರ

Also called Kelaginakere, Byrasandra kere1, Byrasandra Lake, Bagmane Tech Park Lake, Byrasandra Kelagiankare Lake, Kelagiankare lake

Kere, a large tank, in New Thippasandra ward, Bengaluru Central

See it on the map
Size
6.11 acresAbout 3.5 football pitches
Rank by size
948th largestOf 1,621 lakes that still exist
Valley
Koramangala-Challaghatta
Who looks after it
BBMPBruhat Bengaluru Mahanagara Palike
Water quality
Not tested for water quality yet
Built over
0.3% of the lakeSatellite land cover, 2021

Through the years

Nothing on record for 1908 to 1944, 1946 to 1979 and 1981 to 1983.

The records listed below, drawn on one line from 1907 to 2026.

  1. 1907

    Built

    As the 2018 lake survey records it

    See source

  2. 1945

    On the survey map

    See source

  3. 1980

    Not on the survey map

    See source

  4. 1984-2021

    Held water in 18 of 38 years

    Water in 4% of all satellite passes, 1984-2024

    0% of its water area has since gone dry; 27% is new water

    See sourceSee source

  5. 2017-2018

    In the water bodies census, not marked as encroached

    This census's status marks are often wrong

    See source

  6. 2017-2025

    Mostly water in most years

    About three in four of these readings are right, so trust what holds for several years

    See source

  7. 2018

    Still there in the 2018 lake survey

    Green water, 12.5 acres surveyed

    See source

  8. 2024

    On the state's list of Bengaluru lakes, looked after by BBMP

    See source

  9. 2025-2026

    Mostly open water after the monsoon and in the dry season

    After monsoon, Oct 2025 to Dec 2025

    • 95% open water
    • 2% floating weed
    • 3% dry or built

    Dry season, Mar 2026 to May 2026

    • 91% open water
    • 2% floating weed
    • 7% dry or built
    See source

How big it is

The records disagree on its size, so each measure is shown.

Drawn outline
6.11 acres

About 3.5 football pitches

See source
Land records
12.5 acres

About 7.1 football pitches

See source
2018 lake survey
12.5 acres

About 7.1 football pitches

See source
End to end
277 m

The longest straight line across the outline

See source
Deepest point, 2018
3 m
See source
Kind of lake
Kere, a large tank
See source

How clean the water is

State pollution board
Not tested by the state board
How it looked in 2018
Green water
See source
What pollutes it, 2018

Sewage

See source
Sewage flows in, 2018

From the south-east

See source
Inlet and outlet tests, 2017-18
1 readings
See source
Every reading
Show every reading

Inlet and outlet tests, 2017-18 lake survey

DateWhereWater temperature°CLight transparencycmpHConductivityµS/cmDissolved solidsmg/LSuspended solidsmg/LTurbidityNTUDissolved oxygenmg/LCODmg/LBODmg/LKjeldahl nitrogenmg/L as NTotal coliformMPN/100mL
2017-11-302658.31,00068018184.6128127220
See source

How much is built over

Built inside the outline
0.3%

From satellite land cover, 2021

See source
Dumped in it

Garbage & construction debris

See source
Land within 500 m

66% built, 32% trees, 1% grass, 0.7% shrubs, 0.6% bare ground

From satellite land cover, 2021

See source

Who looks after it

Looked after by
Bruhat Bengaluru Mahanagara Palike

BBMP

See source
City work on the lake
To be developed
See source
City zone
Mahadevapura
See source

Where its water comes from and goes

Valley
Koramangala-Challaghatta

The river basin its water drains to

See source
Water comes from
See source
Overflows into

Kaggadasapura Lake

See source
Catchment
1.6 km²

The land that drains into it

See source
Fed by, 2018 survey

Rainfall

See source
Built parts, 2018 survey

1 inlet drain, no overflow weirs, 1 sluice gate, no culverts, no check dams and no islands

See source
Used for, 2018 survey

Fishing

See source
Nearest sewage treatment plant

Kaggadasapura STP

1.0 km away

See source

What lives here

Birds recorded
26 species

Most seen: Indian Pond-Heron, Spot-billed duck, Black Kite, Rock Pigeon and Oriental Magpie-Robin.

56 sightings, mostly from birdwatchers

See source
All wildlife recorded
30 species

62 records, 2016 to 2026

See source
Photographed on iNaturalist
19 times

14 species, 17 confirmed by other naturalists.

Most seen: Indian Spot-billed Duck, Asian Openbill, Little Egret, Painted Stork and Indian Pond-Heron.

Last seen Apr 2026

See source
Animals seen, 2018 survey

Butterflies, birds and tortoises

See source
Water plants, 2018 survey

Emergent

See source
Weed cover, 2018 survey

Partial

See source

Around it

Around it in 2018

BMEL land & software company

See source

Photos

Byrasandra, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Byrasandra, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Byrasandra, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Byrasandra, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Byrasandra, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Byrasandra, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Byrasandra, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Byrasandra, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Byrasandra, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024

Where it is

Ward 16
New Thippasandra

ನ್ಯೂ ತಿಪ್ಪಸಂದ್ರ

Bengaluru Central corporation, C.V. Raman Nagar assembly seat

See source
Village
Byrasandra

KR Puram hobli, Bengaluru East taluk, Bengaluru Urban district

See source
Land survey numbers

112

See source
Height above sea level
893 m
See source
Coordinates

12.9784° N, 77.6619° E

See source

Read more

OpenStreetMap
See source
Wikimedia Commons

See every photo of it

See source
Wikidata

Q129102020

See source
Its number in each record
ATREE lake map
107
2018 lake survey
BUBEKRbys_kr1-676
Lake Development Authority
LDA068
KGIS tank map
760
Water bodies census
2/12/002/253189/026028/002