Kandy North Water Supply Project Sector Planning Section Regional Support Centre - Central National Water Supply and Drainage Board Getambe, Peradeniya fxÑàxÅuxÜ ECDE Table of Contents CHAPTER 1 - INTRODUCTION ............................................................................................................................... 1 1.0 INTRODUCTION......................................................................................................................................................... 2 1.1 Introduction .................................................................................................................................................... 2 1.2 Authorization .................................................................................................................................................. 2 1.3 Objectives and Scope ...................................................................................................................................... 2 1.4 General Description of Project Area & topography ........................................................................................ 2 1.5 Implementation of the Feasibility Study ......................................................................................................... 3 1.6 Present Study for Kandy North Water Supply Project ..................................................................................... 3 1.7 Source of Supply .............................................................................................................................................. 4 CHAPTER 2 - EXISTING WATER SUPPLY FACILITIES ................................................................................................ 2 2.0 EXISTING WATER SUPPLY FACILITIES .............................................................................................................................. 5 2.1 Introduction .................................................................................................................................................... 5 2.2 Schemes Operated Under Community Water Supply and Sanitation Project ............................................. 5 2.3 Schemes operated under NWS&DB ................................................................................................................ 7 2.3.1 Borehole Scheme .................................................................................................................................... 7 2.3.2 Newly augmented Water Supply Schemes under NWS&DB .............................................................. 9 2.3.3 New Large scale Water Supply Projects Operated under NWS &DB ...................................................... 9 2.4 Schemes operated under Provincial Council/ Urban Council/ Municipal Council ....................................... 10 2.5 Current level of service .................................................................................................................................. 11 2.5.1 Borehole Scheme .................................................................................................................................. 11 2.5.2 CWSSP Schemes ........................................................................................................................... 11 2.6 O&M setup and Billing and Collection ................................................................................................... 11 2.6.1 Borehole Scheme .................................................................................................................................. 11 2.6.2 CWSSP Schemes ........................................................................................................................... 11 2.7 Water Quality ............................................................................................................................................... 11 2.7.1 Borehole Scheme .................................................................................................................................. 11 2.7.2 CWSSP Schemes ........................................................................................................................... 11 2.8 Assessment & Recommendation ................................................................................................................... 12 2.8.1 Borehole Schemes of NWSDB ............................................................................................................... 12 2.8.2 CWSSP Schemes ........................................................................................................................... 12 CHAPTER 3 - HEALTH AND SANITATION ............................................................................................................... 3 3.0 HEALTH AND SANITATION ................................................................................................................................. 13 3.1 Health ........................................................................................................................................................... 13 3.2 Sanitation ...................................................................................................................................................... 14 3.3 Garbage and Sewerage Disposal ................................................................................................................. 14 CHAPTER 4 – ENVRIONMENTAL ASPECTS ............................................................................................................. 4 4.0 ENVIRONMENTAL ASPECT......................................................................................................................................... 15 4.1 Introduction .................................................................................................................................................. 15 4.2 Legal Requirement for EIA ............................................................................................................................ 15 4.3 Safety and Environment Measures ............................................................................................................... 16 4.4 Impact of Water Abstraction from the Mahaweli River ................................................................................ 16 4.5 Water Quality Assessment and Balance of contamination in the major surface water bodies in the project area ........................................................... 17 4.6 Other impact ................................................................................................................................................. 17 4.7 Constructions and Pipe laying in Hantana Environmental Protection area .................................................. 18 ii CHAPTER 5 – SOCIO-ECONOMIC CONDITIONS, COVERAGE FACTOR AND POTENTIAL DEVELOPMENT TRENDS OF THE KANDY NORTH PROJECT AREA ......................................................... 5 5.0 SOCIO-ECONOMIC CONDITIONS, CONVERAGE FACTOR AND POTENTIAL DEVELOPMENT TRENDS OF THE KNP AREA ...................... 19 5.1 Socio-Economic studies ................................................................................................................................. 19 5.2 Social profile of the project area ................................................................................................................... 19 5.3 User perception/satisfaction on available water supply facilities ................................................................ 22 5.3.1 Availability of water (User views on existing source of water) ............................................................. 22 5.3.2 Water Quality (user views) ........................................................................................................... 23 5.4 Water carrying and current usage patterns ................................................................................................. 23 5.4.1 Distance to the sources and the time spent for fetching water............................................................ 23 5.5 Potential development trends of the demand area ...................................................................................... 24 5.6 Affordability and willingness to pay for improved facilities .......................................................................... 25 5.7 User preference for mode of operation and management ........................................................................... 25 5.7.1 Preferred mode of O&M of water supply scheme ................................................................................ 25 CHAPTER 6 – TECHNICAL ASPECTS ...................................................................................................................... 6 6.0 TECHNICAL ASPECT .................................................................................................................................................. 27 6.1 Determination of Water Requirement .......................................................................................................... 27 6.1.1 Identification of Project area ................................................................................................................ 27 6.1.2 Determination of Served Area ....................................................................................................... 28 6.1.3 Assessment of Growth Rates ...............................................................................................................