Lakes of Bendakaluru

Satellite view: Esri, Maxar, Earthstar Geographics

Panattur Govt.kere

ಪಣತೂರು ಕೆರೆ

Also called Panathuru Kere

Kere, a large tank, in Panathur ward, Bengaluru East

See it on the map
Size
11.3 acresAbout 6.4 football pitches
Rank by size
693rd largestOf 1,621 lakes that still exist
Valley
Koramangala-Challaghatta
Who looks after it
BBMPBruhat Bengaluru Mahanagara Palike
Water quality
Fit only for irrigationTested Jul 2026
Built over
3% of the lakeSatellite, 2021. The 2018 survey found 10% encroached.

Through the years

Nothing on record for 1905 to 1944, 1946 to 1979 and 1981 to 1983.

The records listed below, drawn on one line from 1904 to 2026.

  1. 1904

    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 22% of all satellite passes, 1984-2024

    13% of its water area has since gone dry; 3% 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 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

    10% encroached, polluted, 27.4 acres surveyed

    See source

  8. 2025-2026

    Tested by the state board in 16 months, most often fit only for irrigation

    Apr 2025 to Jul 2026

    See every testSee source

  9. 2025-2026

    Mostly open water after the monsoon and in the dry season

    After monsoon, Oct 2025 to Dec 2025

    • 83% open water
    • 10% floating weed
    • 7% dry or built

    Dry season, Mar 2026 to May 2026

    • 78% open water
    • 4% floating weed
    • 19% dry or built
    See source

How big it is

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

Drawn outline
11.3 acres

About 6.4 football pitches

See source
Land records
25.4 acres

About 14 football pitches

See source
2018 lake survey
27.4 acres

About 16 football pitches

See source
End to end
432 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

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 16 times since Apr 2025
Fit only for wildlife and fish: 8 months. Fit only for irrigation: 8 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 & garbage

See source
Sewage flows in, 2018

From the north-west

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

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

MeasureUnitValue
Water temperature°C25
Dissolved oxygenmg/L1.9
pH6.8
ConductivityµS/cm1,186
BODmg/L37
Nitratemg/L as N4.6
Nitritemg/L as N0.23
Faecal coliformMPN/100mL460
Total coliformMPN/100mL5,400
Bicarbonatemg/L304
TurbidityNTU14.4
Total alkalinitymg/L as CaCO3304
Chloridemg/L228
CODmg/L184
Kjeldahl nitrogenmg/L as N16.6
Ammonia nitrogenmg/L as N12.8
Total hardnessmg/L as CaCO3324
Calcium hardnessmg/L as CaCO3168
Calciummg/L67.2
Magnesium hardnessmg/L as CaCO3156
Magnesiummg/L37.9
Sulphatemg/L27
Sodiummg/L164
Dissolved solidsmg/L816
Suspended solidsmg/L22
Phosphatemg/L0.34
Potassiummg/L14
Fluoridemg/L0.34
Sodium share%51
Sodium adsorption ratio4
Orthophosphatemg/L0.8

Every month the state board tested it

MonthClassDissolved oxygenmg/LBODmg/LFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
Jul 2026E1.9374605,400See source
Jun 2026E3.41079540See source
May 2026E1.3231,1003,500See source
Apr 2026E1.5484305,400See source
Mar 2026D5.65941,600See source
Feb 2026D6.444902,200See source
Jan 2026D644902,100See source
Dec 2025E1.1412702,400See source
Nov 2025E3.1194304,300See source
Oct 2025D5.272102,100See source
Sep 2025E0.5371,7009,400See source
Aug 2025D5.862603,500See source
Jul 2025E2.72811,00079,000See source
Jun 2025D5.44331,600See source
May 2025D5.743102,100See source
Apr 2025D4.851702,400See source

Inlet and outlet tests, 2017-18 lake survey

DateWhereWater temperature°CLight transparencycmpHConductivityµS/cmDissolved solidsmg/LSuspended solidsmg/LTurbidityNTUDissolved oxygenmg/LCODmg/LBODmg/LTotal phosphateKjeldahl nitrogenmg/L as NTotal coliformMPN/100mL
2017-11-3024.3127.2529344169.11.8163.80.1712
See source

How much is built over

Built inside the outline
3%

From satellite land cover, 2021

See source
Encroached area, 2017
3.30 acres

Reported by the state legislature’s committee on lake encroachment

See source
Encroached by

Government agencies and private owners

See source
Taken for

Road, graveyard & railway track

See source
Where it is encroached

On the south-west, east, center, of and lake side

See source
Dumped in it

Garbage

See source
Land within 500 m

45% built, 17% shrubs, 16% trees, 15% crops, 4% grass, 1% bare ground, 0.8% water

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
Work in progress
See source
City zone
Mahadevapura
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
Koramangala-Challaghatta

The river basin its water drains to

See source
Overflows into

Varthur Lake

See source
Catchment
0.8 km²

The land that drains into it

See source
Fed by, 2018 survey

Rainfall & drain

See source
Built parts, 2018 survey

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

See source
Nearest sewage treatment plant

Bellandur Amani 90MLD Sewage Treatment Plant

1.4 km away, treats 90 million litres a day

See source

What lives here

Birds recorded
103 species

Most seen: Black Kite, Rose-ringed Parakeet, Indian Pond-Heron, Rock Pigeon and Large-billed Crow.

709 sightings, mostly from birdwatchers

See source
All wildlife recorded
106 species

712 records, 2015 to 2026

See source
Threatened species seen here
2
  • Indian Roller near threatened
  • Greater spotted eagle vulnerable
See source
Photographed on iNaturalist
8 times

8 species, 7 confirmed by other naturalists.

Most seen: Asian Openbill, Grey Heron, Indian Pond-Heron, Domestic Dog and Brahminy Kite.

Last seen Mar 2026

See source
Animals seen, 2018 survey

Birds and butterflies

See source
Water plants, 2018 survey

Emergent and floating

See source
Weed cover, 2018 survey

Partial

See source

Around it

Around it in 2018

Vacant land, plantation, settlement & railway track

See source

Photos

No photos of it on Wikimedia Commons yet.

Where it is

Ward 48
Panathur

ಪಣತ್ತೂರು

Bengaluru East corporation, Mahadevapura assembly seat

See source
Village
Panathur

Varthuru hobli, Bengaluru East taluk, Bengaluru Urban district

See source
Land survey numbers

38

See source
Height above sea level
872 m
See source
Coordinates

12.9317° N, 77.7068° E

See source

Read more

OpenStreetMap
See source
Its number in each record
ATREE lake map
149
2018 lake survey
BUBEVRpnt_kr7-612
Lake Development Authority
LDA397
KGIS tank map
649
Water bodies census
2/12/002/276600/1302821/001
City lake monitoring site
189