Satellite view: Esri, Maxar, Earthstar Geographics
Nagana Kere
ಚನ್ನೇನಹಳ್ಳಿ ಕೆರೆ
Also called Channenahalli Govt. kere, Channenahalli Lake
Kere, a large tank, in Channenahalli village, Bengaluru South taluk
See it on the mapThrough the years
Nothing on record for 1905 to 1913, 1915 to 1954, 1956 to 1972 and 1974 to 1983.
1904
Built
As the 2018 lake survey records it
1914
Not on the survey map
1955
On the U.S. Army map
Compiled from Survey of India maps of 1945-46
1973
Not on the survey map
1984-2021
Held water most years
Water in 13% of all satellite passes, 1984-2024
0% of its water area has since gone dry; 41% is new water
Floating weed looks like dry land to this record, so a weed-covered year can read as dry
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
Clean, 8.10 acres surveyed
2025-2026
Mostly open water after the monsoon and in the dry season
After monsoon, Oct 2025 to Dec 2025
- 54% open water
- 27% floating weed
- 19% dry or built
Dry season, Mar 2026 to May 2026
- 75% open water
- 17% floating weed
- 8% 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018-02-09 | 26.7 | 18 | 8.3 | 524 | 340 | 5 | 7.9 | 6.72 | 16 | 1.79 | 0.4 | 19.6 | 170 |
How much is built over
Reported by the state legislature’s committee on lake encroachment
36% built, 35% crops, 12% trees, 12% shrubs, 6% grass
From satellite land cover, 2021
Who looks after it
Where its water comes from and goes
2 inlet drains, 1 overflow weir, 1 sluice gate, no culverts, no check dams and no islands
What lives here
Most seen: Jungle Myna, Common Myna, Blyth's Reed Warbler, Common Sandpiper and Common Kingfisher.
229 sightings, mostly from birdwatchers
Around it
Photos
No photos of it on Wikimedia Commons yet.
Where it is
Read more
- ATREE lake map
- 209
- 2018 lake survey
- BUBSTKchn_kr8-1119
- Lake Development Authority
- LDA078
- KGIS tank map
- 412