Lakes of Bendakaluru

Satellite view: Esri, Maxar, Earthstar Geographics

Muppatu Kavalu Sakari

Also called Muppatu Kavalu Sakari (New), Hosa Kere, Hosakere Lake

Kere, a large tank, in Maragondanahalli village, Bengaluru South taluk

See it on the map
Size
40.7 acresAbout 23 football pitches
Rank by size
216th largestOf 1,621 lakes that still exist
Valley
Vrishabhavathi
Who looks after it
BDABangalore Development Authority
Water quality
Fit only for irrigationTested Jul 2026
Built over
0.3% of the lakeSatellite land cover, 2021

Through the years

Nothing on record for 1915 to 1954, 1956 to 1972 and 1974 to 1983.

The records listed below, drawn on one line from 1914 to 2026.

  1. 1914

    Not 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. 1973

    Not on the survey map

    See source

  4. 1984-2021

    Held water every year

    Water in 52% of all satellite passes, 1984-2024

    0.9% of its water area has since gone dry; 4% is new water

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

    See sourceSee source

  5. 2000

    Built

    As the 2018 lake survey records it

    See 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 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

    Clean, 46.8 acres surveyed

    See source

  9. 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

  10. 2025-2026

    Mostly open water after the monsoon and in the dry season

    After monsoon, Oct 2025 to Dec 2025

    • 97% open water
    • 2% floating weed
    • 0.5% dry or built

    Dry season, Mar 2026 to May 2026

    • 97% open water
    • 2% floating weed
    • 1% dry or built
    See source

How big it is

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

Drawn outline
40.7 acres

About 23 football pitches

See source
2018 lake survey
46.8 acres

About 27 football pitches

See source
End to end
971 m

The longest straight line across the outline

See source
Deepest point, 2018
5 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: 11 months. Fit only for irrigation: 23 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
Older tests
2 readings

From 2021

See source
Inlet and outlet tests, 2017-18
1 readings
See source
Every reading
Show every reading

Latest test, Jul 2026. Too low to measure: boron, carbonate, nitrite, orthophosphate, phenolphthalein alkalinity, phosphate, suspended solids

MeasureUnitValue
Water temperature°C26
Dissolved oxygenmg/L2.6
pH6.6
ConductivityµS/cm487
BODmg/L38
Nitratemg/L as N1.8
Faecal coliformMPN/100mL790
Total coliformMPN/100mL5,400
Bicarbonatemg/L164
TurbidityNTU8.4
Total alkalinitymg/L as CaCO3164
Chloridemg/L36
CODmg/L272
Kjeldahl nitrogenmg/L as N3.3
Ammonia nitrogenmg/L as N2.7
Total hardnessmg/L as CaCO3156
Calcium hardnessmg/L as CaCO384
Calciummg/L33.6
Magnesium hardnessmg/L as CaCO372
Magnesiummg/L17.5
Sulphatemg/L6
Sodiummg/L34
Dissolved solidsmg/L332
Potassiummg/L2
Fluoridemg/L0.51
Sodium share%31
Sodium adsorption ratio1.18

Every month the state board tested it

MonthClassDissolved oxygenmg/LBODmg/LFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
Jul 2026E2.6387905,400See source
Jun 2026E1173305,400See source
May 2026E1.7756302,200See source
Mar 2026E3.2232202,400See source
Feb 2026E2.7483,90035,000See source
Jan 2026D553902,100See source
Dec 2025E1.7232,3009,400See source
Nov 2025E3.2162,0009,400See source
Oct 2025E3.2162602,200See source
Sep 2025E2.2132601,500See source
Aug 2025E2.3223104,300See source
Jul 2025D663,2009,400See source
Jun 2025D5.172,0009,400See source
May 2025D6.351,1007,900See source
Apr 2025E4817240See source
Mar 2025E4514,00070,000See source
Feb 2025E2.3182,10022,000See source
Jan 2025E2.9162603,500See source
Dec 2024D4.871502,800See source
Nov 2024E3611,00079,000See source
Oct 2024E3.216211,600See source
Sep 2024D643,10011,000See source
Aug 2024E3.1182,0009,400See source
Jul 2024D4.442,20013,000See source
Jun 2024E1.3182509,200See source
May 2024D4.611201,600See source
Apr 2024E792703,500See source
Mar 2024D5.263303,500See source
Feb 2024E1.2254801,600See source
Jan 2024D4.685802,800See source
Dec 2023D4.679,40092,000See source
Oct 2023E2.2187,00035,000See source
Sep 2023E44See source
Jul 2023E3.4134,60092,000See source

Older tests

DateWhereReadingWater temperature°CDissolved oxygenmg/LpHConductivityµS/cmBODmg/LNitrate and nitritemg/L as NFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
2021Bandematta Tank, TankLowest2536.519650.46,30054,000See source
2021Bandematta Tank, TankHighest256.97.61,268183.2333,0002,40,000See source

Inlet and outlet tests, 2017-18 lake survey

DateWhereWater temperature°CLight transparencycmpHConductivityµS/cmDissolved solidsmg/LSuspended solidsmg/LTurbidityNTUDissolved oxygenmg/LCODmg/LBODmg/LKjeldahl nitrogenmg/L as NTotal coliformMPN/100mL
2018-02-0920.968.273738038305.2483.671,600
See source

How much is built over

Built inside the outline
0.3%

From satellite land cover, 2021

See source
Dumped in it

Garbage

See source
Other problems noted

Soil excavation & RTC (1.10 a-g) is in name of Mr. Venugopal

See source
Land within 500 m

42% shrubs, 26% crops, 20% trees, 7% grass, 3% built, 1% water, 0.9% 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
Vrishabhavathi

The river basin its water drains to

See source
Water comes from
See source
Overflows into

Hunisemaradapalya Kere

See source
Catchment
10.7 km²

The land that drains into it

See source
Fed by, 2018 survey

Rainfall

See source
Built parts, 2018 survey

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

See source
Used for, 2018 survey

Cattle feeding and washing

See source
Nearest sewage treatment plant

STP-3

1.1 km away

See source

What lives here

Birds recorded
142 species

Most seen: Common Myna, Brahminy Kite, Indian Peafowl, Spotted Dove and Little Cormorant.

4,631 sightings, mostly from birdwatchers

See source
All wildlife recorded
143 species

4,632 records, 2018 to 2025

See source
Threatened species seen here
2
  • Indian Roller near threatened
  • River Tern vulnerable
See source
Photographed on iNaturalist
100 times

52 species, 87 confirmed by other naturalists.

Most seen: Baya Weaver, Common Pierrot, Indian Peafowl, Crimson Marsh Glider and Asian Openbill.

Last seen Dec 2025

See source
Animals seen, 2018 survey

Birds, butterflies and dragonflies

See source
Water plants, 2018 survey

Emergent and rooted floating

See source
Weed cover, 2018 survey

Partial

See source

Around it

Around it in 2018

Settlement, layout, agriculture, plantation & temple

See source

Photos

No photos of it on Wikimedia Commons yet.

Where it is

Greater Bengaluru
Outside the city limits
See source
Village
Maragondanahalli

Kengeri hobli, Bengaluru South taluk, Bengaluru Urban district

See source
Land survey numbers

12 (Maragondanahalli), 50, 51 (Marg. Krishnasagar)

See source
Height above sea level
805 m
See source
Coordinates

12.9386° N, 77.4351° E

See source

Read more

OpenStreetMap
See source
Its number in each record
ATREE lake map
524
2018 lake survey
BUBSKGmrg_kr1-1265
KGIS tank map
136
Water bodies census
1/12/002/000003/000090/002