Lakes of Bendakaluru

Satellite view: Esri, Maxar, Earthstar Geographics

Nelagadiranahalli Hosakere

Also called Valagere

Kere, a large tank, in Shivapura ward, Bengaluru West

See it on the map
Size
15.1 acresAbout 8.5 football pitches
Rank by size
566th largestOf 1,621 lakes that still exist
Valley
Arkavathi
Who looks after it
BDABangalore Development Authority
Water quality
Not tested for water quality yet
Built over
1% of the lakeSatellite, 2021. The 2018 survey found 5% encroached.

Through the years

Nothing on record for 1928 to 1949, 1951 to 1954, 1956 to 1977 and 1979 to 1983.

The records listed below, drawn on one line from 1927 to 2026.

  1. 1927

    On the survey map

    See source

  2. 1950

    Built

    As the 2018 lake survey records it

    See source

  3. 1955

    On the U.S. Army map

    Compiled from Survey of India maps of 1945-46

    See source

  4. 1978

    Not on the survey map

    See source

  5. 1984-2021

    Held water most years

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

    0% of its water area has since gone dry; 26% is new water

    See sourceSee source

  6. 2017-2018

    In the water bodies census, not marked as encroached

    This census's status marks are often wrong

    See source

  7. 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

  8. 2018

    Still there in the 2018 lake survey

    5% encroached, polluted, 19.6 acres surveyed

    See source

  9. 2025-2026

    Mostly open water after the monsoon and in the dry season

    After monsoon, Oct 2025 to Dec 2025

    • 79% open water
    • 7% floating weed
    • 14% dry or built

    Dry season, Mar 2026 to May 2026

    • 68% open water
    • 1% floating weed
    • 31% dry or built
    See source

How big it is

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

Drawn outline
15.1 acres

About 8.5 football pitches

See source
2018 lake survey
19.6 acres

About 11 football pitches

See source
End to end
544 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
Polluted
See source
What pollutes it, 2018

Domestic sewage

See source
Sewage flows in, 2018

From the north-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/LTotal phosphateKjeldahl nitrogenmg/L as NTotal coliformMPN/100mL
2017-11-22Inlet23.837.71,692980683802.114416.12251,600
See source

How much is built over

Built inside the outline
1%

From satellite land cover, 2021

See source
Encroached area, 2017
3.42 acres

Reported by the state legislature’s committee on lake encroachment

See source
Encroached by

The public

See source
Taken for

Sheds and houses

See source
Where it is encroached

On the north side

See source
Other problems noted

As per RTC-Land sanctioned to KFD for planting trees

See source
Land within 500 m

71% built, 13% trees, 11% crops, 4% shrubs, 1% grass

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
Arkavathi

The river basin its water drains to

See source
Overflows into

Narasappanahalli Kere

See source
Catchment
1.2 km²

The land that drains into it

See source
Fed by, 2018 survey

Rain water & drain fed

See source
Built parts, 2018 survey

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

See source
Nearest sewage treatment plant

Nagasandra

2.6 km away, treats 20 million litres a day

See source

What lives here

Birds recorded
24 species

Most seen: Western Swamphen, Little Egret, Black-headed Ibis, Indian Pond-Heron and Black Kite.

78 sightings, mostly from birdwatchers

See source
All wildlife recorded
25 species

79 records, 2019 to 2022

See source
Animals seen, 2018 survey

Birds, butterflies and dragonflies

See source
Water plants, 2018 survey

Emergent

See source
Weed cover, 2018 survey

Partial

See source

Around it

Around it in 2018

Settlement, layout, shed buildings & factory

See source

Photos

No photos of it on Wikimedia Commons yet.

Where it is

Ward 6
Shivapura

ಶಿವಪುರ

Bengaluru West corporation, Dasarahalli assembly seat

See source
Village
Nallakadirenahalli

Yeshwanthpura hobli, Bengaluru North taluk, Bengaluru Urban district

See source
Land survey numbers

62

See source
Height above sea level
910 m
See source
Coordinates

13.0234° N, 77.5067° E

See source

Read more

OpenStreetMap
See source
Its number in each record
ATREE lake map
260
2018 lake survey
BUBNYPnlk_kr3-195
Lake Development Authority
LDA391
KGIS tank map
1148
Water bodies census
2/12/002/276600/1302713/002