Lakes of Bendakaluru

Satellite view: Esri, Maxar, Earthstar Geographics

Kannuru Kere

ಕಣ್ಣೂರು ಕೆರೆ

Also called Kannuru kere2, Kannuru Lake

Kere, a large tank, in Kannur village, Bengaluru East taluk

See it on the map
Size
51.1 acresAbout 29 football pitches
Rank by size
171st largestOf 1,621 lakes that still exist
Valley
Hebbal
Who looks after it
ZPZilla Panchayat
Water quality
Fit only for irrigationTested Jul 2026
Built over
0% of the lakeSatellite land cover, 2021
Campaign
Residents are organising here

Through the years

Nothing on record for 1883 to 1926, 1928 to 1954, 1956 to 1977 and 1979 to 1983.

The records listed below, drawn on one line from 1882 to 2026.

  1. 1882

    Built

    As the 2018 lake survey records it

    See source

  2. 1927

    On the survey map

    See source

  3. 1955

    On the U.S. Army map

    Compiled from Survey of India maps of 1945-46

    See source

  4. 1978

    On the survey map

    See source

  5. 1984-2021

    Held water most years

    Water in 39% of all satellite passes, 1984-2024

    7% of its water area has since gone dry; 8% is new water

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

    Floating weed looks like dry land to this record, so a weed-covered year can read as dry

    See sourceSee source

  6. 2017-2025

    No one cover holds over half of it 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

    Clean, 63.7 acres surveyed

    See source

  8. 2023-2026

    Tested by the state board in 34 months, most often fit only for irrigation

    Jul 2023 to Jul 2026

    See every testSee source

  9. 2025-2026

    Mostly dry or built after the monsoon; mostly floating weed in the dry season

    After monsoon, Oct 2025 to Dec 2025

    • 0.1% open water
    • 38% floating weed
    • 62% dry or built

    Dry season, Mar 2026 to May 2026

    • 0.1% open water
    • 95% floating weed
    • 5% dry or built
    See source

How big it is

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

Drawn outline
51.1 acres

About 29 football pitches

See source
2018 lake survey
63.7 acres

About 36 football pitches

See source
End to end
807 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 34 times since Jul 2023
Fit only for wildlife and fish: 14 months. Fit only for irrigation: 20 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
Clean
See source
Inlet and outlet tests, 2017-18
2 readings
See source
Every reading
Show every reading

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

MeasureUnitValue
Water temperature°C25
pH8
ConductivityµS/cm9,090
BODmg/L186
Nitratemg/L as N30
Faecal coliformMPN/100mL390
Total coliformMPN/100mL1,700
Bicarbonatemg/L2,160
TurbidityNTU23
Total alkalinitymg/L as CaCO32,160
Chloridemg/L1,540
CODmg/L241
Kjeldahl nitrogenmg/L as N16
Ammonia nitrogenmg/L as N12
Total hardnessmg/L as CaCO32,500
Calcium hardnessmg/L as CaCO31,260
Calciummg/L504
Magnesium hardnessmg/L as CaCO3900
Magnesiummg/L218.8
Sulphatemg/L395
Sodiummg/L700
Dissolved solidsmg/L6,180
Suspended solidsmg/L28
Phosphatemg/L2.5
Potassiummg/L60
Fluoridemg/L2.8
Sodium share%31
Sodium adsorption ratio6.1
Orthophosphatemg/L7.4

Every month the state board tested it

MonthClassDissolved oxygenmg/LBODmg/LFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
Jul 2026E1863901,700See source
Jun 2026E1.25970920See source
May 2026E1091,3004,300See source
Apr 2026E323,2009,400See source
Mar 2026E9621,00063,000See source
Feb 2026E10524170See source
Jan 2026E392,0009,400See source
Dec 2025E1.8453,30011,000See source
Nov 2025E3.1203,3008,400See source
Oct 2025E1.1441,7007,900See source
Sep 2025E0.820411240See source
Aug 2025E1.2232,20011,000See source
Jul 2025E10541,0002,40,000See source
Jun 2025E42170700See source
May 2025E0.8431,70013,000See source
Apr 2025E6623,0001,10,000See source
Mar 2025D5.892,20012,000See source
Feb 2025E2.92268017,000See source
Jan 2025E3221,4004,800See source
Dec 2024E2.8182205,400See source
Nov 2024E732,20011,000See source
Oct 2024D4.142003,500See source
Sep 2024D6.256803,300See source
Aug 2024D6.241,4007,900See source
Jul 2024D5.752305,400See source
May 2024D4.2123,90022,000See source
Apr 2024D4.672,10011,000See source
Mar 2024D5.282,1007,000See source
Feb 2024D6.144,9009,400See source
Jan 2024D5.862,6009,400See source
Dec 2023D5.488409,200See source
Oct 2023D4.247009,200See source
Sep 2023D4.4847,0005,40,000See source
Jul 2023D4.874,80054,000See 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
2017-11-28Inlet26.8207.629921628.85163.80.191,600
2017-11-28Outlet27.6237.531623615731.8327.70.351,600
See source

How much is built over

Built inside the outline
0%

From satellite land cover, 2021

See source
Encroached area, 2017
4.53 acres

Reported by the state legislature’s committee on lake encroachment

See source
Land record maps
See source
Land within 500 m

36% crops, 26% built, 14% trees, 8% grass, 7% bare ground, 6% shrubs, 3% water

From satellite land cover, 2021

See source

Who looks after it

Looked after by
Zilla Panchayat

ZP

See source
Campaign pages
See source

Where its water comes from and goes

Valley
Hebbal

The river basin its water drains to

See source
Water comes from
See source
Overflows into

Chikkagubbi Kere

See source
Catchment
6.8 km²

The land that drains into it

See source
Fed by, 2018 survey

Rainfall

See source
Built parts, 2018 survey

2 inlet drains, 1 overflow weir and 1 sluice gate

See source
Used for, 2018 survey

Irrigation and cattle feeding

See source

What lives here

Birds recorded
144 species

Most seen: Black Kite, Ashy Prinia, Spot-billed duck, Common Myna and Little Egret.

6,261 sightings, mostly from birdwatchers

See source
All wildlife recorded
164 species

6,283 records, 2010 to 2026

See source
Threatened species seen here
7
  • Spot-billed Pelican near threatened
  • Indian Spotted Eagle near threatened
  • Indian Roller near threatened
  • Greater spotted eagle vulnerable
  • Tawny Eagle vulnerable
  • Woolly-necked Stork near threatened
  • River Tern vulnerable
See source
Photographed on iNaturalist
35 times

26 species, 25 confirmed by other naturalists.

Most seen: Ditch Jewel, Common Castor Butterfly, Vagrant Emperor, Little Blue Marsh Hawk and Indian caper.

Last seen Nov 2025

See source
Animals seen, 2018 survey

Birds, butterflies and dragonflies

See source
Water plants, 2018 survey

Emergent

See source

Around it

Around it in 2018

Agriculture, hill, layout & plantation

See source

Photos

No photos of it on Wikimedia Commons yet.

Where it is

Greater Bengaluru
Outside the city limits
See source
Village
Kannur

Bidarahalli hobli, Bengaluru East taluk, Bengaluru Urban district

See source
Land survey numbers

35

See source
Height above sea level
912 m
See source
Coordinates

13.0997° N, 77.6507° E

See source

Read more

OpenStreetMap
See source
Its number in each record
ATREE lake map
62
2018 lake survey
BUBEBDknu_kr6-871
Lake Development Authority
LDA269
KGIS tank map
783