Lakes of Bendakaluru

Satellite view: Esri, Maxar, Earthstar Geographics

Subramhanyapura Kere

ಸುಬ್ರಮಣ್ಯಪುರ ಕೆರೆ

Also called Subramanya kere, Subramanyapura Lake

Kere, a large tank, in Subramanyapura ward, Bengaluru South

See it on the map
Size
8.52 acresAbout 4.8 football pitches
Rank by size
824th largestOf 1,621 lakes that still exist
Valley
Vrishabhavathi
Who looks after it
BBMPBruhat Bengaluru Mahanagara Palike
Water quality
Fit only for irrigationTested Jul 2026
Built over
10% of the lakeSatellite, 2021. The 2018 survey found 30% encroached.

Through the years

Nothing on record for 1870 to 1944, 1946 to 1979 and 1981 to 1983.

The records listed below, drawn on one line from 1869 to 2026.

  1. 1869

    Built

    As the 2018 lake survey records it

    See source

  2. 1945

    On the survey map

    See source

  3. 1980

    On the survey map

    See source

  4. 1984-2021

    Held water most years

    Water in 16% of all satellite passes, 1984-2024

    4% of its water area has since gone dry; 2% is new water

    4 years not counted: the satellite saw under half the lake

    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 built on or bare 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

    30% encroached, polluted, 18.1 acres surveyed

    See source

  8. 2023-2026

    Tested by the state board in 36 months, most often fit only for wildlife and fish

    Jul 2023 to Jul 2026

    See every testSee source

  9. 2024

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

    See source

  10. 2025-2026

    Mostly open water after the monsoon and in the dry season

    After monsoon, Oct 2025 to Dec 2025

    • 74% open water
    • 14% floating weed
    • 12% dry or built

    Dry season, Mar 2026 to May 2026

    • 78% open water
    • 10% floating weed
    • 12% dry or built
    See source

How big it is

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

Drawn outline
8.52 acres

About 4.8 football pitches

See source
2018 lake survey
18.1 acres

About 10 football pitches

See source
End to end
374 m

The longest straight line across the outline

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

How clean the water is

Latest test
Fit only for irrigation

Fit only for irrigation, cooling and waste disposal. Class E on the state board’s scale from A, the cleanest, to E.

Tested Jul 2026

See source
Class each month, tested 36 times since Jul 2023
Fit only for wildlife and fish: 21 months. Fit only for irrigation: 15 months. Every month is listed in the readings below.
Drinkable after disinfection
Fit for bathing
Drinkable after treatment
Fit only for wildlife and fish
Fit only for irrigation
See source
How it looked in 2018
Polluted
See source
What pollutes it, 2018

Sewage

See source
Sewage flows in, 2018

From the south-east

See source
Older tests
2 readings

From 2021

See source
Every reading
Show every reading

Latest test, Jul 2026. Too low to measure: boron, carbonate, phenolphthalein alkalinity

MeasureUnitValue
Water temperature°C29
Dissolved oxygenmg/L2.6
pH7.2
ConductivityµS/cm1,112
BODmg/L38
Nitratemg/L as N4.5
Nitritemg/L as N0.37
Faecal coliformMPN/100mL940
Total coliformMPN/100mL16,000
Bicarbonatemg/L276
TurbidityNTU12.3
Total alkalinitymg/L as CaCO3276
Chloridemg/L192
CODmg/L280
Kjeldahl nitrogenmg/L as N6.2
Ammonia nitrogenmg/L as N5
Total hardnessmg/L as CaCO3256
Calcium hardnessmg/L as CaCO3132
Calciummg/L52.8
Magnesium hardnessmg/L as CaCO3124
Magnesiummg/L30.1
Sulphatemg/L44
Sodiummg/L97
Dissolved solidsmg/L754
Suspended solidsmg/L14
Phosphatemg/L0.31
Potassiummg/L5
Fluoridemg/L0.52
Sodium share%44
Sodium adsorption ratio2.63
Orthophosphatemg/L1.03

Every month the state board tested it

MonthClassDissolved oxygenmg/LBODmg/LFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
Jul 2026E2.63894016,000See source
Jun 2026D4.286304,300See source
May 2026D5.263402,400See source
Apr 2026D5.688402,800See source
Mar 2026E3.384803,500See source
Feb 2026E2384003,500See source
Jan 2026D6.164903,500See source
Dec 2025E2.6142403,500See source
Nov 2025D5.451,7007,900See source
Oct 2025D6.241502,200See source
Sep 2025E3172,6009,400See source
Aug 2025E0.6492,00014,000See source
Jul 2025E3.2176,80033,000See source
Jun 2025E2.9282,5005,800See source
May 2025E2.4202,60011,000See source
Apr 2025D5.4102,3009,400See source
Mar 2025E3.1212,30,0003,30,000See source
Feb 2025D441,4004,800See source
Jan 2025D641,4004,800See source
Dec 2024E3.6161,70015,000See source
Nov 2024D5.2114,30014,000See source
Oct 2024E431,7007,000See source
Sep 2024D4.481702,400See source
Aug 2024D4.981,20013,000See source
Jul 2024E2.6192,10011,000See source
Jun 2024D672,0009,400See source
May 2024D4.882602,200See source
Apr 2024E812,6009,400See source
Mar 2024D5.551,7007,000See source
Feb 2024D4.482,70011,000See source
Jan 2024E2.9274,90017,000See source
Dec 2023D5.544,90035,000See source
Oct 2023D4.382,30024,000See source
Sep 2023D5.64See source
Aug 2023D7.2154,70092,000See source
Jul 2023D4.355,80092,000See source

Older tests

DateWhereReadingWater temperature°CDissolved oxygenmg/LpHConductivityµS/cmBODmg/LNitrate and nitritemg/L as NFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
2021Subramanyapura Tank, TankLowest250.36.596950.84,60035,000See source
2021Subramanyapura Tank, TankHighest254.87.62,0055011.59,40,00054,00,000See source

How much is built over

Built inside the outline
10%

From satellite land cover, 2021

See source
Encroached by

Private owners

See source
Taken for

Houses

See source
Where it is encroached

On the north-west, north-east and south-west side

See source
Dumped in it

Garbage waste

See source
Land record maps
See source
Land within 500 m

61% built, 19% trees, 10% crops, 6% grass, 3% shrubs, 1% bare ground

From satellite land cover, 2021

See source

Who looks after it

Looked after by
Bruhat Bengaluru Mahanagara Palike

BBMP

See source
City lake page

Open its page on the city’s lake monitoring site

See source

Where its water comes from and goes

Valley
Vrishabhavathi

The river basin its water drains to

See source
Water comes from
See source
Overflows into

Kengeri 2

See source
Catchment
1.7 km²

The land that drains into it

See source
Fed by, 2018 survey

Rain & drain fed

See source
Built parts, 2018 survey

2 inlet drains, 1 overflow weir, 1 sluice gate, 1 culvert, no check dams and no islands

See source
Used for, 2018 survey

Cattle feeding

See source

What lives here

Birds recorded
94 species

Most seen: Black Kite, Indian Pond-Heron, Rock Pigeon, Western Swamphen and Little Grebe.

3,156 sightings, mostly from birdwatchers

See source
All wildlife recorded
94 species

3,156 records, 2017 to 2024

See source
Photographed on iNaturalist
38 times

23 species, 24 confirmed by other naturalists.

Most seen: Common Castor Butterfly, Pea Blue, Marsh Dancer, Pond Slider and Tawny Coster.

Last seen Sep 2024

See source
Animals seen, 2018 survey

Birds

See source
Water plants, 2018 survey

Emergent and submerged

See source
Weed cover, 2018 survey

Complete

See source

Around it

Around it in 2018

Settlement & gomala

See source

Photos

Subramhanyapura Kere, photographed in 2025
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2025
Subramhanyapura Kere, photographed in 2025
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2025
Subramhanyapura Kere, photographed in 2025
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2025
Subramhanyapura Kere, photographed in 2025
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2025
Subramhanyapura Kere, photographed in 2025
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2025
Subramhanyapura Kere, photographed in 2025
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2025
Subramhanyapura Kere, photographed in 2025
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2025
Subramhanyapura Kere, photographed in 2025
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2025
Subramhanyapura Kere, photographed in 2025
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2025

Where it is

Ward 51
Subramanyapura

ಸುಬ್ರಹ್ಮಣ್ಯಪುರ

Bengaluru South corporation, Bangalore South assembly seat

See source
Village
Uttarahalli

Uttarahalli hobli, Bengaluru South taluk, Bengaluru Urban district

See source
Land survey numbers

64

See source
Height above sea level
855 m
See source
Coordinates

12.8959° N, 77.5427° E

See source

Read more

OpenStreetMap
See source
Its number in each record
ATREE lake map
498
2018 lake survey
BUBSUHuth_kr4-1372
KGIS tank map
1034
Water bodies census
2/12/002/276600/1302856/002
City lake monitoring site
153