1.
A Situational Analysis of Lakes in
Bangalore
November 9, 2015
Tejas Kulkarni

2.
Hesaraghatta
(1921)
0MLD – 30MLD
30 Kms away
Arkavathy River
TG Halli
(1931)
15MLD –
135MLD
40 Kms
Cauvery River (1971) –
1,350MLD
Lifted 300mtrs - 100 kms away
Background
Bangalore’s water is costliest in the India and Asia,
costing the government Rs.82/Kilolitre on actual
whereas Delhi's only Rs.28/Kl.

3.
Total Water
Consumption of City
1440 MLD (approx)
Background
Peripheral areas of Bangalore city is highly dependant
on GW and tankers owing to the shortage in Water
supply and sewerage lines.

4.
Koramangala
Chalagathha Valley
Yellamallappa Chetty
Valley
Vrishbhavathi
Valley
SouthPinnakiniRiver
VrishbhavathiRiver
Total No Lakes in BBMP Jurisdiction - 183
BBMP Custody - 59
BDA Custody - 115
LDA Custody - 05
KFD Custody - 09
Background
59 Lakes Development details in BBMP Custody
Already Developed – 21
Development in Progress – 28
Lakes to be Developed – 10

5.
Introduction
•Study to Determine the existing status of 100 lakes in
Bangalore was assigned to Kiran Consultants.
•Critical Information which will indicate the health of
lakes
•Provide key inputs on their restoration progress.
Approach
1.Literature Review : Lakshman Rau Commitee report, Environmental Support Group
(ESG), Centre for Lake Conservation(CLC), Environmental
Management & Policy Research Institute(EMPRI), Namma Bengaluru Foundation.
2.Preparatory Work : Selection of lakes evenly distributed over the city
3.Secondary Data Collection : Filed RTI on lake status and details on encroachment
4.Site Visits (Primary Data) : Our team of Environmental Engineers, hydro-geologists
inspect each lake individually to inspect the given parameters of the lake.

6.
Methodology
•Lake Boundary: Fenced - Partially Fenced – Demarcated - No Demarcation
•Sewage: STP installed – Diverted - Let in
•Catchment Bund: Exists - Not Exist
•De-silting: Done - Under Progress - Not Done
•Bund formation and revetment: Done - Under Progress - Not Done
•Biodiversity Flora: Plantation Done - Under Progress - Not Done
•Biodiversity Fauna: Fishing – Done - Not Done
Bird Life – Exist - Does Not Exist
•Kalyani: Constructed: Under Progress - Not Done
•Water Quality: Within permissible level – Above permissible level
Involvement of local community: Active – Partial - No involvement
Metadata on lakes
1. Name of Lake/ Local Name
2. Area of lake
3. Encroached areas
4. BBMP Ward/Zone
5. Governing Body
6. Circumference (Perimeter)
Parameters
26 lakes
21 lakes
40 lakes
13 lakes
Sample distribution across Bangalore city.

7.
Inferences
•58 lakes have an area more than 20 acres ; 28 lakes between 10-20 acres.
•64 lakes in the sample are already fenced ; 13 lakes partially fenced ; 22 not fenced.
•43 lakes have diverted sewage ; 10 lakes have STPs installed ; 47 lakes sewage is
still let in.
•63 lakes have a catchment bund.
•59 lakes have desilted beds ; 36 lakes not done ; 5 lakes under progress. Similar
numbers w.r.t. bund formation and revetment.
• 46 lakes have flora plantation ; 8 lakes under progress ; 46 lakes not done.
•56 lakes have active faunal biodiversity and birdlife.
•Fishing is carried out in 29 lakes in the sample.
•16 lakes have a Kalyani ; 3 under progress.
.

8.
Discussion
• Involvement of community is active (Trust), Partial (FB page/Blog), Inactive if no
secondary citizen information was available.
• Bangalore North have developed lakes which are already developed but seem to have
lower involvement of the community when compared to Bangalore East and Bangalore
South.
• 6 lakes under the Electronic City Industrial Authority are yet to be developed.
BBMP Zone
Authority
Total Lakes
Local Community Involvement
BBMP BDA LDA Other Active Partial No involvement
Bommanahalli 16 2 2 1 21 10 6 5
Byatrayanpura 16 3 2 1 22 12 1 9
Dasarahalli 0 2 0 0 2 0 0 2
East core zone 6 0 0 0 7 4 0 2
Mahadevapura 12 3 2 3 20 11 5 4
Rajajeshwari 4 2 2 0 8 1 1 6
South core zone 11 3 0 0 14 3 5 6
West core zone 3 0 0 0 2 2 0 1
ELCIA 0 0 0 4 4 0 4 0
Zone-wise distribution and Involvement of Local Community

9.
References
•“Performance audit on Conservation and Ecological restoration of Lakes under the
jurisdiction of Lake Development Authority and Urban Local Bodies”, Report
No.1, 2015.
•“Strategic Action Planning for revival of Bangalore lakes”, Multi-stakeholder
Workshop, 2014
•“Survey on lake Encroachments” by Namma Bengaluru Foundation, 2014.
•“Assessment derived conservation strategies of Bangalore Water Bodies” by
Center for Lake Conservation(CLC), from Environmental Management & Policy
Research Institute(EMPRI)”, 2013.
• “Preservation of Lakes in the city of Bangalore”, Report by the committee
constituted by the Hon’ble High Court of Karnataka to examine the ground realities
and prepare an Action plan for preservation of lakes in the city of Bangalore, 2011.
•“Submission of wise use practices for protection, management and rehabilitation of
lakes in Karnataka with special emphasis on Bangalore and other urban areas”,
Environmental Support Group (ESG), 2011.

10.
Thank You !