Lakes of Bendakaluru

Satellite view: Esri, Maxar, Earthstar Geographics

Avalahalli Kere

Also called Krishnasagara Kere

Kere, a large tank, in Krishnasagara village, Bengaluru North taluk

See it on the map
Size
9.34 acresAbout 5.3 football pitches
Rank by size
783rd largestOf 1,621 lakes that still exist
Valley
Hebbal
Who looks after it
BDABangalore Development Authority
Water quality
Not tested for water quality yet
Built over
0% of the lakeSatellite land cover, 2021

Through the years

Nothing on record for 1905 to 1926, 1928 to 1977 and 1979 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. 1927

    On the survey map

    See source

  3. 1978

    On the survey map

    See source

  4. 1984-2021

    Held water in 20 of 34 years

    Water in 12% of all satellite passes, 1984-2024

    0% of its water area has since gone dry; 57% is new water

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

    See sourceSee source

  5. 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

  6. 2018

    Still there in the 2018 lake survey

    Muddy, 14.9 acres surveyed

    See source

  7. 2025-2026

    Part open water, part dry or built after the monsoon; mostly dry or built in the dry season

    After monsoon, Oct 2025 to Dec 2025

    • 46% open water
    • 15% floating weed
    • 39% dry or built

    Dry season, Mar 2026 to May 2026

    • 0% open water
    • 0% floating weed
    • 100% dry or built
    See source

How big it is

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

Drawn outline
9.34 acres

About 5.3 football pitches

See source
2018 lake survey
14.9 acres

About 8.5 football pitches

See source
End to end
348 m

The longest straight line across the outline

See source
Deepest point, 2018
2 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
Muddy
See source
What pollutes it, 2018

Fishing chemicals

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/LTotal phosphateKjeldahl nitrogenmg/L as NTotal coliformMPN/100mL
2017-11-1527.186.5155943811.96.86411.50.2141,600
See source

How much is built over

Built inside the outline
0%

From satellite land cover, 2021

See source
Dumped in it

Coconut logs construction debris agriculture

See source
Other problems noted

Soil Excavation

See source
Land within 500 m

62% crops, 14% trees, 10% shrubs, 7% built, 6% grass, 1% bare ground

From satellite land cover, 2021

See source

Who looks after it

Looked after by
Bangalore Development Authority

BDA

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

Avalahalli Kere

See source
Catchment
1.9 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, 1 sluice gate, no culverts, no check dams and no islands

See source
Used for, 2018 survey

Irrigation, fishing, B, washing and cattle feeding

See source

What lives here

Birds recorded
29 species

Most seen: Common Myna, Clamorous Reed Warbler, Common Sandpiper, Paddyfield Pipit and Great Egret.

93 sightings, mostly from birdwatchers

See source
All wildlife recorded
29 species

93 records, all in 2017

See source
Threatened species seen here
2
  • Indian Roller near threatened
  • Woolly-necked Stork near threatened
See source
Photographed on iNaturalist
21 times

20 species, 18 confirmed by other naturalists.

Most seen: Common Kingfisher, Red Avadavat, Grey Heron, Purple Heron and Parthenium beetle.

Last seen Sep 2023

See source
Animals seen, 2018 survey

Fish, butterflies and birds

See source
Water plants, 2018 survey

Emergent

See source
Weed cover, 2018 survey

Partial

See source

Around it

Around it in 2018

Plantation, agriculture & layout

See source

Photos

No photos of it on Wikimedia Commons yet.

Where it is

Greater Bengaluru
Outside the city limits
See source
Village
Krishnasagara

Yelahanka hobli, Bengaluru North taluk, Bengaluru Urban district

See source
Land survey numbers

3 (Krishna sagara), 104 (Singanayakayahalli)

See source
Height above sea level
920 m
See source
Coordinates

13.1410° N, 77.5590° E

See source

Read more

OpenStreetMap
See source
Its number in each record
ATREE lake map
70
2018 lake survey
BUBNYHkrs_kr1-295
Lake Development Authority
LDA315
KGIS tank map
861