REPUBLIC OF WATER SUPPLY AND SEWERAGE BOARD

BENGALURU WATER SUPPLY AND SEWERAGE PROJECT (PHASE 3) IN THE STATE OF , INDIA

FINAL REPORT (Main Report)

NOVEMBER 2017

JAPAN INTERNATIONAL COOPERATION AGENCY (JICA)

NJS CONSULTANTS CO., LTD. (NJS) 4R JR(先) 17-063

1 USD = 112 Yen 1 INR = 1.74 Yen (As of June 2017)

Bengaluru Water Supply and Sewerage Project (Phase 3)

Final Report

Table of Contents

ABBREVIATIONS

LOCATION MAP

EXECUTIVE SUMMARY

CHAPTER 1 BACKGROUND AND OUTLINE OF THE PROJECT ...... 1-1

1.1 INTRODUCTION ...... 1-1 1.2 OBJECTIVES OF THE PROJECT AND PREPARATORY SURVEY ...... 1-1 1.3 SURVEY AREA AND DESIGN YEAR ...... 1-1 1.3.1 Outline of the Proposed Work ...... 1-2

CHAPTER 2 GENERAL DESCRIPTION ON THE PROJECT AREA ...... 2-1

2.1 NATURAL CONDITIONS ...... 2-1 2.1.1 Location and Topographic Conditions ...... 2-1 2.1.2 Meteorological Conditions ...... 2-1 2.1.3 Hydrological and Hydrogeological Conditions ...... 2-13 2.1.4 Geological Conditions ...... 2-19 2.2 LEGISLATIVE CONDITIONS ...... 2-21 2.2.1 National/State/City Water Policy ...... 2-21 2.2.2 Legal Framework ...... 2-28 2.2.3 Relevant Organizations to the Sectors ...... 2-37 2.2.4 Water Quality and Sewage Discharge Standards in India ...... 2-40 2.3 SOCIO-ECONOMIC PROFILE ...... 2-43 2.3.1 Population, Income and Housing ...... 2-43 2.3.2 Education ...... 2-46 2.3.3 Culture and Religion ...... 2-47 2.3.4 Slums ...... 2-47 2.3.5 Economy in Bengaluru Urban District ...... 2-49 2.3.6 Social Services ...... 2-49 2.3.7 Administrative Divisions ...... 2-54 2.4 EXISTING AND FUTURE LAND USE ...... 2-55 2.4.1 Existing Land Use ...... 2-55 2.4.2 Future Land Use ...... 2-56

NJS Consultants Co., Ltd i Bengaluru Water Supply and Sewerage Project (Phase 3)

Final Report CHAPTER 3 EXISTING WATER SUPPLY AND ON-GOING/PLANNED WATER SUPPLY PROJECTS ...... 3-1

3.1 EXISTING AND ON-GOING WATER SUPPLY ...... 3-1 3.1.1 General Conditions on Water Supply in Bruhat Bengaluru Mahanagara Palike ...... 3-1 3.1.2 Population Coverage and Access to Water Services ...... 3-3 3.2 EXISTING WATER SUPPLY FACILITIES ...... 3-5 3.2.1 Intake and Conveyance Facilities ...... 3-5 3.2.2 Water Treatment Plant ...... 3-8 3.2.3 Water Transmission Facilities ...... 3-15 3.2.4 Water Distribution Facilities ...... 3-20 3.3 ON-GOING WATER SUPPLY PROJECT ...... 3-37 3.3.1 Water Supply and Sewerage Master Plan ...... 3-37 3.3.2 New 300 MLD WTP Project (In Lieu of Existing Stage I and II WTPs) ...... 3-39 3.3.3 On-going UFW Project ...... 3-40 3.4 EXISTING SCADA SYSTEM ...... 3-47 3.4.1 General ...... 3-47 3.4.2 Water Treatment and Distribution Network Monitoring ...... 3-48 3.4.3 Centralized SCADA Center at Shimsha Bhavan ...... 3-51 3.4.4 Sewerage SCADA System ...... 3-56

CHAPTER 4 EXISTING SEWERAGE FACILITIES AND ON-GOING/ PLANNED SEWERAGE PROJECTS ...... 4-1

4.1 PRESENT SEWERAGE SERVICES ...... 4-1 4.1.1 Sewerage Services by District ...... 4-1 4.2 SEWER SYSTEM ...... 4-5 4.2.1 Core Area ...... 4-5 4.2.2 ULB Area ...... 4-6 4.3 INTERMEDIATE SEWAGE PUMP STATIONS (ISPS) ...... 4-6 4.3.1 Summary of Existing ISPSs ...... 4-6 4.3.2 Present Situation of Agaram 65 MLD ISPSs ...... 4-7 4.4 SEWAGE TREATMENT FACILITIES (INCLUDING ON-SITE SEWAGE TREATMENT FACILITIES) ...... 4-8 4.4.1 Overview of Existing STPs in Core and ULB Area ...... 4-8 4.5 REUSE OF TREATED SEWAGE FROM BWSSB STPS ...... 4-10 4.5.1 Utilization ratio of Existing STPs in Core and ULB Areas ...... 4-11 4.5.2 Effluent Quality of Existing STPs in Core and ULB Areas ...... 4-12 4.5.3 New Effluent Standards ...... 4-14 4.5.4 Present Situation of Existing STPs in Core and ULB Areas ...... 4-14 4.5.5 Present Situation in 110 Villages ...... 4-19 4.5.6 Tertiary Treated Sewage Utilization ...... 4-19

NJS Consultants Co., Ltd ii Bengaluru Water Supply and Sewerage Proje