Lakes of Bendakaluru

Satellite view: Esri, Maxar, Earthstar Geographics

Nayandanahalli Kere

ನಾಯಂಡಹಳ್ಳಿ ಕೆರೆ

Also called Nayandahalli Lake

Kere, a large tank, in Nayanda Halli ward, Bengaluru West

See it on the map
Size
16.5 acresAbout 9.4 football pitches
Rank by size
532nd largestOf 1,621 lakes that still exist
Valley
Vrishabhavathi
Who looks after it
BBMPBruhat Bengaluru Mahanagara Palike
Water quality
Fit only for wildlife and fishTested Jul 2026
Built over
37% of the lakeSatellite, 2021. The 2018 survey found 1% encroached.

Through the years

Nothing on record for 1904 to 1944, 1946 to 1954, 1956 to 1979 and 1981 to 1983.

The records listed below, drawn on one line from 1903 to 2026.

  1. 1903

    Built

    As the 2018 lake survey records it

    See source

  2. 1945

    On the survey map

    See source

  3. 1955

    Not on the U.S. Army map

    Compiled from Survey of India maps of 1945-46

    See source

  4. 1980

    On the survey map

    See source

  5. 1984-2021

    Held water until 2016

    Water in 0.8% of all satellite passes, 1984-2024

    2% of its water area has since gone dry; 11% 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 built on or bare every year

    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

    1% encroached, polluted, 15.4 acres surveyed

    See source

  9. 2023-2026

    Tested by the state board in 35 months, most often fit only for wildlife and fish

    Jul 2023 to Jul 2026

    See every testSee source

  10. 2024

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

    See source

  11. 2025-2026

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

    After monsoon, Oct 2025 to Dec 2025

    • 45% open water
    • 5% floating weed
    • 50% dry or built

    Dry season, Mar 2026 to May 2026

    • 47% open water
    • 4% floating weed
    • 49% dry or built
    See source

How big it is

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

Drawn outline
16.5 acres

About 9.4 football pitches

See source
2018 lake survey
15.4 acres

About 8.8 football pitches

See source
End to end
478 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 wildlife and fish

Fit only for wildlife and fisheries. Class D on the state board’s scale from A, the cleanest, to E.

Tested Jul 2026

See source
Class each month, tested 35 times since Jul 2023
Fit only for wildlife and fish: 31 months. Fit only for irrigation: 4 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 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, phosphate, kjeldahl nitrogen, suspended solids

MeasureUnitValue
Water temperature°C29
Dissolved oxygenmg/L4.8
pH7.1
ConductivityµS/cm800
BODmg/L12
Nitratemg/L as N2.9
Nitritemg/L as N0.61
Faecal coliformMPN/100mL630
Total coliformMPN/100mL4,300
Bicarbonatemg/L212
TurbidityNTU6.3
Total alkalinitymg/L as CaCO3212
Chloridemg/L128
CODmg/L96
Ammonia nitrogenmg/L as N0.98
Total hardnessmg/L as CaCO3172
Calcium hardnessmg/L as CaCO388
Calciummg/L35.2
Magnesium hardnessmg/L as CaCO384
Magnesiummg/L20.4
Sulphatemg/L82
Sodiummg/L84
Dissolved solidsmg/L552
Potassiummg/L8
Fluoridemg/L0.25
Sodium share%50
Sodium adsorption ratio2.8
Orthophosphatemg/L0.26

Every month the state board tested it

MonthClassDissolved oxygenmg/LBODmg/LFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
Jul 2026D4.8126304,300See source
Jun 2026D5.25701,600See source
May 2026D5.294003,500See source
Apr 2026D5.5846016,000See source
Mar 2026E1.6236304,300See source
Feb 2026D5.474702,200See source
Jan 2026D6.24631,600See source
Dec 2025D5.964603,500See source
Nov 2025D643102,800See source
Oct 2025D4.2152609,200See source
Sep 2025D4.283202,800See source
Aug 2025D58231,600See source
Jul 2025D652103,500See source
Jun 2025D4.762001,500See source
May 2025D6.5458920See source
Apr 2025D5.973103,500See source
Mar 2025D6.2626920See source
Feb 2025D6.251,5004,800See source
Jan 2025D4.8101,4004,800See source
Dec 2024D6.171102,400See source
Nov 2024D5.361,7007,900See source
Oct 2024E2.3189,4001,700See source
Sep 2024D6.264805,400See source
Aug 2024D5.75321,600See source
Jul 2024D6.242105,400See source
Jun 2024D4.482603,500See source
May 2024E2.9141,70011,000See source
Apr 2024D5.142201,400See source
Mar 2024D4.3113203,500See source
Feb 2024D5.46471,600See source
Jan 2024D5.947004,300See source
Dec 2023E1.24094016,000See source
Oct 2023D5.264,60035,000See source
Sep 2023D5.84See source
Jul 2023D4.2101,70092,000See source

Older tests

DateWhereReadingWater temperature°CDissolved oxygenmg/LpHConductivityµS/cmBODmg/LNitrate and nitritemg/L as NFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
2021Nayandanahalli Tank, TankLowest250.36.12113.60.53,30024,000See source
2021Nayandanahalli Tank, TankHighest25.1681,2311952.997,00,00035,00,000See source

How much is built over

Built inside the outline
37%

From satellite land cover, 2021

See source
Encroached by

Government agencies

See source
Taken for

Railway track

See source
Where it is encroached

On the north-west side

See source
Dumped in it

Garbage

See source
Land within 500 m

81% built, 14% trees, 3% shrubs, 2% crops

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
Overflows into

Vrishabhavathi river

See source
Catchment
2.8 km²

The land that drains into it

See source
Fed by, 2018 survey

Rain & 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
Used for, 2018 survey

Cattle feeding

See source
Nearest sewage treatment plant

Vrishabhavathi Valley 150MLD Sewage Treatment Plant

624 m away, treats 150 million litres a day

See source

What lives here

Birds recorded
64 species

Most seen: Black Kite, Brahminy Kite, Common Myna, Indian Pond-Heron and Rock Pigeon.

244 sightings, mostly from birdwatchers

See source
All wildlife recorded
64 species

244 records, 2012 to 2024

See source
Threatened species seen here
1
  • Spot-billed Pelican near threatened
See source
Animals seen, 2018 survey

Birds and butterflies

See source
Water plants, 2018 survey

Emergent

See source
Weed cover, 2018 survey

Partial

See source

Around it

Around it in 2018

Layout, railway station, vacant land, timber & water supply shed & slum building

See source

Photos

Nayandanahalli Kere, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Nayandanahalli Kere, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Nayandanahalli Kere, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Nayandanahalli Kere, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Nayandanahalli Kere, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Nayandanahalli Kere, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Nayandanahalli Kere, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Nayandanahalli Kere, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024
Nayandanahalli Kere, photographed in 2024
Gpkp / CC BY-SA 4.0 / Wikimedia Commons, 2024

Where it is

Ward 81
Nayanda Halli

ನಾಯಂಡ ಹಳ್ಳಿ

Bengaluru West corporation, Govindraj Nagar assembly seat

See source
Village
Nayandanahalli

Kengeri hobli, Bengaluru South taluk, Bengaluru Urban district

See source
Land survey numbers

31

See source
Height above sea level
822 m
See source
Coordinates

12.9402° N, 77.5214° E

See source

Read more

OpenStreetMap
See source
Wikimedia Commons

See every photo of it

See source
Wikidata

Q127104022

See source
Its number in each record
ATREE lake map
496
2018 lake survey
BUBSKGnyn_kr1-1274
KGIS tank map
1156
Water bodies census
2/12/002/276600/1302803/001
City lake monitoring site
22