Final Report Volume Iii Supporting Report F. Water Supply Plan
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FINAL REPORT VOLUME III SUPPORTING REPORT F. WATER SUPPLY PLAN STUDY ON INTEGRATED WATER RESOURCES DEVELOPMENT IN THE CAÑETE RIVER BASIN IN THE REPUBLIC OF PERU FINAL REPORT VOLUME III SUPPORTING REPORT F: Water Supply Plan Page Chapter 1 Present Situation of the Water Supply Systems.................................... F-1 1.1 Present Situation of Water Supply Systems in the Service Area .................. F-1 1.1.1 Service Area.......................................................................................... F-1 1.1.2 Water Supply Systems Administrated by EMAPAC S.A ..................... F-1 1.1.3 Water Supply Systems Administrated by Municipalities...................... F-2 1.2 Present Situation of the Lima City Water Supply System ............................ F-2 1.2.1 Surface Water Source............................................................................ F-2 1.2.2 Groundwater Source ............................................................................. F-3 1.2.3 Main Water-Distribution System .......................................................... F-4 1.2.4 Secondary Water-Distribution System.................................................. F-4 1.2.5 Summary of Present Situation .............................................................. F-4 1.3 Population and Coverage .............................................................................. F-4 1.4 Production Capacity and Unit Water Consumption...................................... F-4 1.5 Present Water Demand Volume..................................................................... F-5 1.6 Present Water Use ......................................................................................... F-5 Chapter 2 Review, Analysis and Evaluation of Lima & Callao City Water Supply M/P.............................................................. F-6 2.1 Summary of the M/P..................................................................................... F-6 2.2 Implementation of Water Projects................................................................. F-6 2.3 Water Demand and Supply Balance as Year 2030........................................ F-7 2.4 Comments by JICA Study Team to the SEDAPAL M/P............................... F-7 2.4.1 Development of surface source............................................................. F-7 2.4.2 Development of groundwater source.................................................... F-8 2.4.3 Water Demand and Water Production................................................... F-8 Chapter 3 Water Demand Projection..................................................................... F-9 3.1 Projection of Future Population in the Service Area .................................... F-9 3.2 Projection of Future Population of Metropolitan Lima ................................ F-9 3.3 Projection of Unit Water Demand for the Service Area and F- i Metropolitan Lima ........................................................................................ F-9 3.3.1 Projection of Unit Water Demand for the Service Area........................ F-9 3.3.2 Projection of Unit Water Demand for Metropolitan Lima.................... F-10 3.4 Water Demand Projection for the Service Area and Metropolitan Lima...... F-10 3.4.1 Domestic use......................................................................................... F-10 3.4.2 Industrial use......................................................................................... F-10 3.4.3 Tourism use........................................................................................... F-11 Chapter 4 Plan Formulation on Priority Water Supply Projects............................ F-13 Chapter 5 Expansion Plan ..................................................................................... F-14 5.1 Long Term Expansion................................................................................... F-14 5.2 Short Term Expansion................................................................................... F-14 Chapter 6 Alternative Plan for Metropolitan Lima Water Supply......................... F-15 6.1 Background................................................................................................... F-15 6.2 Balance Between Demand and Supply up to year 2030............................... F-15 6.2.1 Existing water source............................................................................ F-15 6.2.2 Future water source............................................................................... F-16 6.3 Water Production up to Year 2021 ................................................................ F-16 6.4 Preliminary Assessment of Water Sources Development Alternatives......... F-16 6.5 Tentative List of Alternative Water Source Development Plan after Year 2015.............................................................................................. F-17 Chapter 7 Water Tariff and Water Benefit ............................................................. F-18 7.1 Water Tariff ................................................................................................... F-18 7.1.1 Tariff Classification .............................................................................. F-18 7.1.2 SEDAPAL’s Policy on Water Tariff System......................................... F-19 7.2 Water Supply Benefit.................................................................................... F-20 7.2.1 Raw Water Cost in Peru........................................................................ F-21 7.2.2 Breakdown of SEDAPAL Water Tariff................................................. F-21 7.2.3 Breakdown of SEDAPAL Marginal Cost ............................................. F-21 7.2.4 Recommended Unit Value of Raw Water ............................................. F-21 7.2.5 Economic Benefit ................................................................................. F-22 7.2.6 Financial Evaluation ............................................................................. F-22 7.2.7 Annual Equivalent Cost ........................................................................ F-23 Chapter 8 Surface and Groundwater Use Water Right in The Canete River Basin F-24 F- ii List of Tables Table 1.1 Present Situation of the Water Supply Systems Administrated and Operated by EMAPAC S.A .......................................................... F-25 Table 1.2 Present Deficit of Water for EMAPAC Water Supply Systems ... F-26 Table 1.3 Present Situation of Potable Water System-Yauyos Province-Lima Department (Sep. 1999) ............................................................... F-27 Table 2.1 Active Projection of Water Demand for Metropolitan Lima per District and per Service Center Period 1998-2030 ................................... F-28 Table 2.2 Active Projection of the Water Production Necessity for Metropolitan Lima per District and per Service Center Period 1998-2030 in m3/s .......................................................................................... F-29 Table 2.3 Active Projection of the Water Production Necessity for Metropolitan Lima per District and per Service Center Period 1998-2030 in MCM/year ................................................................................ F-30 Table 2.4 Alternative 2. Water Demand and Supply Balance, Year 2030 ... F-31 Table 3.1(1/2) Population Census by Districts, Urban and Rural Within the Provinces of Huarochiri, Yauyos, Canete, Lima and Chincha Related to the “Study on Integrated Water Resources Development in the Canete River Basin” ................................................................................. F-32 Table 3.1(2/2) -Ditto- ................................................ F-33 Table 3.2 Total Population Projection Applying the Geometric Growth Method Using the Historical Rate of Growth for the Canete River Basin, Corridor Lurin Canete (Lima South Cone and Axis Chilca-Canete) and Pampas Concon-Topara ............................................................... F-34 Table 3.3(1/3) Total Population Projection Applying the Geometric Growth Method Using the Historical Rate of Growth and its Breakdown in Urban and Rural Population for the Canete River Basin, Corridor Lurin Canete (Lima South Cone and Axis Chilca-Canete) and Pampas Concon- Topara .......................................................................................... F-35 Table 3.3(2/3) -Ditto- ................................................ F-36 Table 3.3(3/3) -Ditto- ................................................ F-37 Table 3.4 Projection of Population in Metropolitan Lima per Districts 1998-2030 Period (In inhabitants) .................................................................. F-38 Table 3.5 Domestic Use Unit Water Demand for Service Area Other Than Lima South Cone ................................................................................... F-39 Table 3.6 Active Projection of the Unit Water Consumption for Metropolitan Lima per Sector and per District Period 1998-2030 as Prepared by SEDAPAL M/P ............................................................................ F-40 F- iii Table 3.7 Active projection of the Unit Water Consumption for Metropolitan Lima per Sector as prepared by JICA Study Team ...................... F-41 Table 3.8 Projection of Total Drinking Water Necessity Production for Domestic Use in the Canete River Basin, Pampas Concon-Topara, Chilca-Canete Axis and Lima South Cone for the Period 1998-2030 Considering Service