Satellite view: Esri, Maxar, Earthstar Geographics
Chokkanahalli Lake
ಚೊಕ್ಕನಹಳ್ಳಿ ಕೆರೆ
Also called Govt lake
Kere, a large tank, in Sampigehalli ward, Bengaluru North
See it on the mapThrough the years
Nothing on record for 1928 to 1977 and 1979 to 1983.
1927
Not on the survey map
1978
Not on the survey map
1984-2021
Held water most years
Water in 17% of all satellite passes, 1984-2024
0% of its water area has since gone dry; 32% is new water
2012
Built
As the 2018 lake survey records it
2017-2018
In the water bodies census, not marked as encroached
This census's status marks are often wrong
2017-2025
Mostly water in most years
About three in four of these readings are right, so trust what holds for several years
2018
Still there in the 2018 lake survey
5% encroached, muddy and polluted, 8.05 acres surveyed
Restored, year not recorded
2025-2026
Mostly dry or built after the monsoon; mostly open water in the dry season
After monsoon, Oct 2025 to Dec 2025
- 35% open water
- 1% floating weed
- 64% dry or built
Dry season, Mar 2026 to May 2026
- 91% open water
- 0% floating weed
- 9% dry or built
How big it is
The records disagree on its size, so each measure is shown.
How clean the water is
Show every readingHide the readings
Inlet and outlet tests, 2017-18 lake survey
| Date | Where | Water temperature°C | Light transparencycm | pH | ConductivityµS/cm | Dissolved solidsmg/L | Suspended solidsmg/L | TurbidityNTU | Dissolved oxygenmg/L | CODmg/L | BODmg/L | Total phosphate | Kjeldahl nitrogenmg/L as N | Total coliformMPN/100mL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017-11-15 | 27.5 | 46 | 7.9 | 500 | 350 | 16 | 3.7 | 6.6 | 64 | 57.6 | 0.1 | 7 | 1,600 |
How much is built over
Reported by the state legislature’s committee on lake encroachment
45% built, 26% crops, 11% trees, 8% grass, 7% shrubs, 3% bare ground
From satellite land cover, 2021
Who looks after it
Where its water comes from and goes
6 inlet drains, no overflow weirs, no sluice gates, 2 culverts, no check dams and no islands
Sewage Treatment Plant
2.7 km away, treats 15 million litres a day
What lives here
Most seen: Black Kite, Rock Pigeon, Common Myna, Purple-rumped Sunbird and Large-billed Crow.
3,339 sightings, mostly from birdwatchers
6 species, 4 confirmed by other naturalists.
Most seen: White Cheesewood, Brown-woolly Fig, Chequered Keelback, White-browed Wagtail and Footman moth.
Last seen Feb 2026
Around it
Photos
No photos of it on Wikimedia Commons yet.
Where it is
Read more
- ATREE lake map
- 32
- 2018 lake survey
- BUBNYHchk_kr3-257
- Lake Development Authority
- LDA101
- KGIS tank map
- 801
- Water bodies census
- 2/12/002/253189/025976/006