Lakes of Bendakaluru

Satellite view: Esri, Maxar, Earthstar Geographics

Uttarsipalya Kere

See it on the map
Size
11.9 acresAbout 6.7 football pitches
Rank by size
670th largestOf 1,621 lakes that still exist
Valley
Arkavathi
Who looks after it
Nobody on record looks after it
Water quality
Fit only for irrigationTested Jul 2026
Built over
0% of the lakeSatellite land cover, 2021

Through the years

Nothing on record for 1915 to 1954, 1956 to 1973 and 1975 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

    On the U.S. Army map

    Compiled from Survey of India maps of 1945-46

    See source

  3. 1974

    On the survey map

    See source

  4. 1984-2021

    Held water most years

    Water in 13% of all satellite passes, 1984-2024

    11% of its water area has since gone dry; 0% 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. 2023-2026

    Tested by the state board in 36 months, most often fit only for irrigation

    Jul 2023 to Jul 2026

    See every testSee source

  7. 2025-2026

    Mostly dry or built after the monsoon and in the dry season

    After monsoon, Oct 2025 to Dec 2025

    • 1% open water
    • 3% floating weed
    • 95% 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

Drawn outline
11.9 acres

About 6.7 football pitches

See source
End to end
312 m

The longest straight line across the outline

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 36 times since Jul 2023
Fit only for wildlife and fish: 10 months. Fit only for irrigation: 26 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
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

MeasureUnitValue
Water temperature°C26
Dissolved oxygenmg/L1.7
pH6.9
ConductivityµS/cm1,768
BODmg/L11
Nitratemg/L as N6.8
Nitritemg/L as N0.51
Faecal coliformMPN/100mL2,700
Total coliformMPN/100mL7,900
Bicarbonatemg/L392
TurbidityNTU14.2
Total alkalinitymg/L as CaCO3392
Chloridemg/L284
CODmg/L156
Kjeldahl nitrogenmg/L as N4.3
Ammonia nitrogenmg/L as N3.9
Total hardnessmg/L as CaCO3472
Calcium hardnessmg/L as CaCO3240
Calciummg/L96
Magnesium hardnessmg/L as CaCO3232
Magnesiummg/L56.4
Sulphatemg/L82
Sodiummg/L162
Dissolved solidsmg/L1,208
Suspended solidsmg/L20
Phosphatemg/L0.43
Potassiummg/L33
Fluoridemg/L0.23
Sodium share%44
Sodium adsorption ratio1
Orthophosphatemg/L1.24

Every month the state board tested it

MonthClassDissolved oxygenmg/LBODmg/LFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
Jul 2026E1.7112,7007,900See source
Jun 2026D5.554305,400See source
May 2026E2.5272404,300See source
Apr 2026E198409,200See source
Mar 2026E3.3203901,700See source
Feb 2026E1.68.76303,500See source
Jan 2026E1.5171701,600See source
Dec 2025E321631,600See source
Nov 2025E3.1143101,700See source
Oct 2025E1.4252,00014,000See source
Sep 2025E1.9164802,800See source
Aug 2025E2.7202402,200See source
Jul 2025D6.141302,400See source
Jun 2025D5.5612,00041,000See source
May 2025E381,7007,900See source
Apr 2025D6.252701,700See source
Mar 2025E1.6293101,700See source
Feb 2025E2.4282402,200See source
Jan 2025E1.2202605,400See source
Dec 2024D5.882603,500See source
Nov 2024E1.2292302,800See source
Oct 2024D672603,500See source
Sep 2024E1.6181,50013,000See source
Aug 2024E2183,30028,000See source
Jul 2024E0.92124,00048,000See source
Jun 2024E793802,800See source
May 2024E3291402,400See source
Apr 2024E2.8542202,400See source
Mar 2024D4.2102,2004,900See source
Feb 2024D5.464,3009,400See source
Jan 2024E0.62526,0001,10,000See source
Dec 2023D6.9458,0009,20,000See source
Oct 2023E3.2124,30092,000See source
Sep 2023E8670016,000See source
Aug 2023D4.1947016,000See source
Jul 2023E3.21449,0002,40,000See source

Older tests

DateWhereReadingWater temperature°CDissolved oxygenmg/LpHConductivityµS/cmBODmg/LNitrate and nitritemg/L as NFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
2021Nelamangala Lake, LakeLowest250.86.542241.224,60035,000See source
2021Nelamangala Lake, LakeHighest256.37.62,120467.634,0002,40,000See source

How much is built over

Built inside the outline
0%

From satellite land cover, 2021

See source
Land within 500 m

51% crops, 18% shrubs, 14% built, 12% trees, 5% grass

From satellite land cover, 2021

See source

Who looks after it

Nobody on record looks after it.

Where its water comes from and goes

Valley
Arkavathi

The river basin its water drains to

See source
Overflows into

Mailapura Kere

See source
Catchment
1.1 km²

The land that drains into it

See source

What lives here

All wildlife recorded
1 species

1 records, all in 2024

See source

Around it

Nothing on record about what is around it.

Photos

No photos of it on Wikimedia Commons yet.

Where it is

Greater Bengaluru
Outside the city limits
See source
Height above sea level
880 m
See source
Coordinates

13.0811° N, 77.3997° E

See source

Read more

OpenStreetMap
See source
Its number in each record
ATREE lake map
697