Lakes of Bendakaluru

Satellite view: Esri, Maxar, Earthstar Geographics

Thirumenahalli Lake

ತಿರುಮೇನಹಳ್ಳಿ ಕೆರೆ

Kere, a large tank, in Sampigehalli ward, Bengaluru North

See it on the map
Size
15.4 acresAbout 8.7 football pitches
Rank by size
558th largestOf 1,621 lakes that still exist
Valley
Hebbal
Who looks after it
BBMPBruhat Bengaluru Mahanagara Palike
Water quality
Not tested for water quality yet
Built over
0% of the lakeSatellite land cover, 2021
Campaign
Residents are organising here

Through the years

Nothing on record for 1928 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. 1955

    Not on the U.S. Army map

    Compiled from Survey of India maps of 1945-46

    See source

  3. 1978

    Not on the survey map

    See source

  4. 1984-2021

    Held water most years

    Water in 25% of all satellite passes, 1984-2024

    1% of its water area has since gone dry; 51% is new water

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

    See sourceSee source

  5. 2013

    Built

    As the 2018 lake survey records it

    See 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

    Polluted, 7.25 acres surveyed

    Restored, year not recorded

    See source

  8. 2024

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

    See source

  9. 2025-2026

    Mostly open water after the monsoon and in the dry season

    After monsoon, Oct 2025 to Dec 2025

    • 82% open water
    • 4% floating weed
    • 14% dry or built

    Dry season, Mar 2026 to May 2026

    • 86% open water
    • 4% floating weed
    • 11% dry or built
    See source

How big it is

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

Drawn outline
15.4 acres

About 8.7 football pitches

See source
2018 lake survey
7.25 acres

About 4.1 football pitches

See source
End to end
399 m

The longest straight line across the outline

See source
Deepest point, 2018
4 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

Sewage

See source
Sewage flows in, 2018

From the 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
2017-11-1529.1197.75243847418.15.63226.90.178
See source

How much is built over

Built inside the outline
0%

From satellite land cover, 2021

See source
Dumped in it

Garbage dump

See source
Other problems noted

RTC-BDA issued final Notification for acquisition of 0.01 a-g for PRR stage 1

See source
Land within 500 m

44% built, 21% crops, 15% trees, 8% shrubs, 8% grass, 2% bare ground, 2% water

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
Campaign pages
See source

Where its water comes from and goes

Valley
Hebbal

The river basin its water drains to

See source
Overflows into

Agrahara Lake

See source
Catchment
0.9 km²

The land that drains into it

See source
Fed by, 2018 survey

Rain & drain fed

See source
Built parts, 2018 survey

6 inlet drains, 1 overflow weir, no sluice gates, 2 culverts, no check dams and no islands

See source
Used for, 2018 survey

Fishing

See source
Nearest sewage treatment plant

Sewage Treatment Plant

2.4 km away, treats 15 million litres a day

See source

What lives here

Birds recorded
66 species

Most seen: Black Kite, Gray Heron, Indian Pond-Heron, Little Cormorant and Rock Pigeon.

286 sightings, mostly from birdwatchers

See source
All wildlife recorded
66 species

286 records, 2016 to 2025

See source
Threatened species seen here
1
  • Spot-billed Pelican near threatened
See source
Photographed on iNaturalist
4 times

4 species, 4 confirmed by other naturalists.

Most seen: Indian Spot-billed Duck, Asian Openbill, Purple Heron and Black-winged Stilt.

Last seen Feb 2025

See source
Animals seen, 2018 survey

Fish, birds and butterflies

See source
Water plants, 2018 survey

Emergent

See source

Around it

Around it in 2018

Agriculture, layout & plantation

See source

Photos

No photos of it on Wikimedia Commons yet.

Where it is

Ward 20
Sampigehalli

ಸಂಪಿಗೆಹಳ್ಳಿ

Bengaluru North corporation, Byatarayanapura assembly seat

See source
Village
Thirumalenahalli

Yelahanka hobli, Bengaluru North taluk, Bengaluru Urban district

See source
Land survey numbers

63

See source
Height above sea level
912 m
See source
Coordinates

13.0927° N, 77.6283° E

See source

Read more

OpenStreetMap
See source
Its number in each record
ATREE lake map
58
2018 lake survey
BUBNYHtrm_kr1-328
Lake Development Authority
LDA442
KGIS tank map
817
City lake monitoring site
70