Lakes of Bendakaluru

Satellite view: Esri, Maxar, Earthstar Geographics

Nelagadiranahalli Lake

Also called Shivapura New tank, Shivapura Old Lake

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

See it on the map
Size
4.37 acresAbout 2.5 football pitches
Rank by size
1053rd largestOf 1,621 lakes that still exist
Valley
Arkavathi
Who looks after it
BBMPBruhat Bengaluru Mahanagara Palike
Water quality
Fit only for irrigationTested Jul 2026
Built over
0% of the lakeSatellite land cover, 2021

Through the years

Nothing on record for 1928 to 1949, 1951 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. 1978

    Not on the survey map

    See source

  4. 1984-2021

    Held water in 24 of 38 years

    Water in 1% of all satellite passes, 1984-2024

    0% of its water area has since gone dry; 4% is new water

    See sourceSee source

  5. 2017-2018

    In the water bodies census, not marked as encroached

    This census's status marks are often wrong

    See source

  6. 2017-2025

    Mostly built on or bare from 2023

    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, 6.65 acres surveyed

    See source

  8. 2023-2026

    Tested by the state board in 33 months, most often fit only for irrigation

    Jul 2023 to Jul 2026

    See every testSee source

  9. 2024

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

    See source

  10. 2025-2026

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

    After monsoon, Oct 2025 to Dec 2025

    • 54% open water
    • 15% floating weed
    • 31% 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

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

Drawn outline
4.37 acres

About 2.5 football pitches

See source
2018 lake survey
6.65 acres

About 3.8 football pitches

See source
End to end
226 m

The longest straight line across the outline

See source
Deepest point, 2018
2 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 33 times since Jul 2023
Fit only for wildlife and fish: 16 months. Fit only for irrigation: 17 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 & waste

See source
Sewage flows in, 2018

From the north and north-east

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, phenolphthalein alkalinity

MeasureUnitValue
Water temperature°C29
Dissolved oxygenmg/L2.1
pH6.7
ConductivityµS/cm647
BODmg/L24
Nitratemg/L as N2.5
Nitritemg/L as N0.61
Faecal coliformMPN/100mL6,300
Total coliformMPN/100mL12,000
Bicarbonatemg/L108
TurbidityNTU12.4
Total alkalinitymg/L as CaCO3108
Chloridemg/L116
CODmg/L164
Kjeldahl nitrogenmg/L as N5.3
Ammonia nitrogenmg/L as N4.3
Total hardnessmg/L as CaCO3160
Calcium hardnessmg/L as CaCO380
Calciummg/L32
Magnesium hardnessmg/L as CaCO380
Magnesiummg/L19.4
Sulphatemg/L79
Sodiummg/L67
Dissolved solidsmg/L440
Suspended solidsmg/L16
Phosphatemg/L0.62
Potassiummg/L7
Fluoridemg/L0.36
Sodium share%46
Sodium adsorption ratio2.3
Orthophosphatemg/L1.5

Every month the state board tested it

MonthClassDissolved oxygenmg/LBODmg/LFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
Jul 2026E2.1246,30012,000See source
Jun 2026D4.774702,800See source
May 2026D5.162702,400See source
Apr 2026D584704,300See source
Mar 2026E393,1008,400See source
Feb 2026E2.236200940See source
Jan 2026D5.862303,500See source
Dec 2025D5.173302,800See source
Nov 2025E2.9173303,500See source
Oct 2025D5.281,7007,000See source
Sep 2025D74280310See source
Aug 2025D5.261702,400See source
Jul 2025D6.442604,300See source
Jun 2025D4.342,1005,800See source
May 2025E2.8202,3007,900See source
Apr 2025E2.8191,4009,400See source
Mar 2025E1.7391,2008,400See source
Feb 2025D4.2693013,000See source
Jan 2025E2.3229209,400See source
Dec 2024D5.891701,300See source
Nov 2024D6.241402,400See source
Oct 2024D5.852,1005,400See source
Sep 2024E201,7002,800See source
Aug 2024D6458016,000See source
Jul 2024E3.7224303,500See source
Jun 2024E3.41611,00046,000See source
May 2024E3.2181402,400See source
Jan 2024E2.81527,0001,10,000See source
Dec 2023D4.1104,30054,000See source
Oct 2023E1.8278,40092,000See source
Sep 2023E1.4303,40054,000See source
Aug 2023E7046,0005,40,000See source
Jul 2023E7813,00,00035,00,000See source

Older tests

DateWhereReadingWater temperature°CDissolved oxygenmg/LpHConductivityµS/cmBODmg/LNitrate and nitritemg/L as NFaecal coliformMPN/100mLTotal coliformMPN/100mLSource
2021Shivapura Tank, TankLowest250.36.5762524,00035,000See source
2021Shivapura Tank, TankHighest255.87.64,110839.1994,00,0005,40,00,000See source

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
2017-11-22Outlet23.4127.51,256620261153.213920.42271,600
See source

How much is built over

Built inside the outline
0%

From satellite land cover, 2021

See source
Encroached area, 2017
0.13 acres

Reported by the state legislature’s committee on lake encroachment

See source
Dumped in it

Garbage & plastic dumping

See source
Other problems noted

As per RTC-Land sanctioned to KFD for planting trees

See source
Land within 500 m

57% built, 19% crops, 12% trees, 7% shrubs, 3% water, 2% grass

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
Arkavathi

The river basin its water drains to

See source
Overflows into

Narasappanahalli Kere

See source
Catchment
0.4 km²

The land that drains into it

See source
Fed by, 2018 survey

Rain & drain fed

See source
Built parts, 2018 survey

4 inlet drains, 1 overflow weir, 1 sluice gate, no culverts, no check dams and no islands

See source
Nearest sewage treatment plant

Nagasandra

2.2 km away, treats 20 million litres a day

See source

What lives here

Birds recorded
42 species

Most seen: Western Swamphen, White-cheeked Barbet, Common Myna, Large-billed Crow and Asian Koel.

319 sightings, mostly from birdwatchers

See source
All wildlife recorded
42 species

319 records, 2022 to 2024

See source
Animals seen, 2018 survey

Birds, butterflies and dragonflies

See source
Water plants, 2018 survey

Emergent and floating

See source
Weed cover, 2018 survey

Partial

See source

Around it

Around it in 2018

Settlement, layout & buildings

See source

Photos

No photos of it on Wikimedia Commons yet.

Where it is

Ward 3
Nelagadaranahalli

ನೆಲಗದರನಹಳ್ಳಿ

Bengaluru West corporation, Dasarahalli assembly seat

See source
Village
Nallakadirenahalli

Yeshwanthpura hobli, Bengaluru North taluk, Bengaluru Urban district

See source
Land survey numbers

59

See source
Height above sea level
907 m
See source
Coordinates

13.0268° N, 77.5047° E

See source

Read more

OpenStreetMap
See source
Its number in each record
ATREE lake map
261
2018 lake survey
BUBNYPnlk_kr2-194
Lake Development Authority
LDA392
KGIS tank map
1151
Water bodies census
2/12/002/276600/1302713/001
City lake monitoring site
39