REPUBLIC OF THE PHILIPPINES DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS PASIG-MARIKINA RIVER CHANNEL IMPROVEMENT PROJECT (PHASE III) SUPPLEMENTAL ENVIRONMENTAL IMPACT STATEMENT IN ACCORDANCE WITH JICA GUIDELINES FOR ENVIRONMENTAL AND SOCIAL CONSIDERATIONS SEPTEMBER 2011 PHASE IV (Improvement of Upper Marikina River & Construction of MCGS) PHASE II & III (Improvement of Pasig River) PHASE III (Improvement of Lower Marikina River) Project Location Map TABLE OF CONTENTS Project Location Map List of Tables List of Figures Abbreviations and Measurement Units CHAPTER 1 INTRODUCTION…………………………………………………… 1 1.1 Purpose of Review and Supplemental Study…………..……………………… 1 1.2 Scope of Work…………………………………………………………………. 1 1.3 General Description of the Project…………………………………………….. 1 CHAPTER 2 REVIEW OF ECC AND EIS(1998)………………………………..... 3 2.1 Validity of ECC………………………………………………………………… 3 2.2 Compatibility of EIS(1998) with PEISS Requirements……………………….. 3 2.3 Compatibility of EIS(1998) with JICA Guidelines……………………………. 3 2.3.1 Overall Comparisons between EIS(1998) and JICA Guidelines……... 4 2.3.2 Public Consultation and Scoping……………………………………... 5 2.3.3 Summary of Current Baseline Status of Natural and Social Environment………………………………………………………….. 6 CHAPTER 3 CURRENT LEGAL FRAMEWORK FOR ENVIRONMENTAL AND SOCIAL CONSIDERATIONS IN THE PHILIPPINES…… 8 3.1 Overall Legal Framework……………………………………………………… 8 3.2 Procedures……………………………………………………………………… 8 3.3 Projects Covered by PEISS…………………………………………………….. 9 3.4 Responsible Government Institutions for PEISS………………………………. 11 3.5 Required Documents under PEISS…………………………………………….. 12 CHAPTER 4 SUPPLEMENTAL STUDY………………………………………… 17 4.1 Scope of Supplemental Study………………………………………………….. 17 4.2 Physical Environment…………………………………………………………. 17 4.2.1 Area of Concern………………………………………………………. 17 4.2.2 Air Quality Noise and Vibration……………………………………… 18 4.2.3 Water Resources……………………………………………………… 21 4.2.4 Water Quality…………………………………………………………. 21 4.2.5 Watershed…………………………………………………………….. 26 4.2.6 Topology and Geology……………………………………………….. 26 4.2.7 Sediment……………………………………………………………… 27 4.2.8 Wastes………………………………………………………………… 30 4.2.9 Protected Area………………………………………………………… 30 4.210 Recreational Area…………………………………………………….. 30 4.3 Biological Environment………………………………………………………... 31 4.3.1 Flora…………………………………………………………………… 31 4.3.2 Fauna………………………………………………………………….. 32 4.4 Socio-economic Environment………………………………………………….. 33 4.4.1 Area Directly Affected by Construction………………………………. 33 4.4.2 Population…………………………………………………………….. 34 4.4.3 Development Trend…………………………………………………… 36 4.4.4 Land Use………………………………………………………………. 37 4.4.5 Living and Livelihood………………………………………………… 39 4.4.6 Basic Biodata for Area Directly Affected by Phase III Construction…. 39 4.4.7 Living Conditions……………………………………………………... 41 4.4.8 River Dependency…………………………………………………….. 41 4.4.9 Drinking Water………………………………………………………... 41 i 4.4.10 Important Social Bounding and Places……………………………….. 41 4.4.11 Health…………………………………………………………………. 42 4.4.12 Religion and Indigenous Belief……………………………………….. 43 4.4.13 Heritage……………………………………………………………….. 43 4.4.14 Gender………………………………………………………………… 44 4.4.15 Ethnic Minority and Indigenous People (IP)…………………………. 44 4.4.16 Awareness of Phase III………………………………………………... 44 CHAPTER 5 POSSIBLE IMPACTS WITHOUT MITIGATIONS..…………….. 46 5.1 Possible Impacts without Mitigations based on Available Data/Information….. 46 5.2 Overall Evaluation on Environmental Impacts in EIS(1998)………………….. 47 CHAPTER 6 SUGGESTED MITIGATION MEASURES AND ENVIRONMENTAL MANAGEMENT PLAN……………………. 49 6.1 Mitigation Measures Proposed in EIS(1998)………………………………….. 49 6.2 Mitigation Measures for Possible Negative Impacts for Phase III…………….. 50 6.3 Environmental Management Plan for Phase III…………………………..……. 51 6.3.1 Environmental Management Plan for Mitigation……………..……… 51 6.3.2 Compliance with ECC Conditions…………………………………… 54 6.3.3 Possible Required Environmental Permission for Phase III…………. 56 6.3.4 Information Disclosure and Implementation of IEC……….………… 57 6.3.5 Institutional Plan……………………………………………………… 60 CHAPTER 7 SUGGESTED ENVIRONMENTAL MONITORING PLAN…...... 63 7.1 General…………………………………………………………………………. 63 7.2 Environmental Monitoring Plan……………………….………………………. 64 7.3 Monitoring/Sampling Locations…………….…………………………………. 65 7.4 Monitoring Parameters…………………………………………………………. 67 CHAPTER 8 ENVIRONMENTAL STUDY ON DISPOSAL SITE FOR DREDGED MATERIALS………………………………………..… 68 8.1 Laws and Regulations related to Dredged Materials………………………….. 68 8.2 Status of Riverbed Sediment Quality………………………………………….. 69 8.3 Further Study on Dredged Materials during Detailed Construction Design…… 70 8.4 Procedure of River Dredging Works…………………………………………… 71 8.5 Proposed Disposal Site (Reclamation Area)…………………………………… 72 8.6 Current Environmental Situation in/around Disposal Site……………..……… 72 8.7 Preliminary Assessment of Impacts around Disposal Site Caused by Reclamation Works of Dredged Materials……………………………………... 74 8.8 Environmental Management Plan for Disposal of Dredged Materials………… 75 8.9 Implementation Plan of Separate IEE/EIS for Disposal Site…………………... 76 8.10 Methods and procedure of Disposal of Dredged Materials in Case of Hazardous Substances Contained……………………………………………… 76 CHAPTER 9 ENVIRONMENTAL EVALUATION IN OPERATION PERIOD OF PHASE III……………………………………………………….. 77 CHAPTER 10 CONCLUSION AND RECOMMENDATIONS…………………… 78 CHAPTER 11 ENVIRONMENTAL CHECKLIST………………………………... 79 ANNEX ANNEX-1 : Environmental Compliance Certificate (ECC) ANNEX-2 : Socio-economic Survey in the Project Affected Area ii ANNEX-3 : Scoping Matrix of EIS(1998) ANNEX-4 : Public Hearings/Consultations LIST OF TABLES Table 2.1 Overall Comparisons between EIS(1998) and JICA Guidelines………… 4 Table 3.1 Summary of Environmentally Critical Projects (ECPs)…………………. 10 Table 3.2 Summary of Environmentally Critical Areas (ECAs)…………………… 10 Table 3.3 Project Groups for EIA under PEISS……………………………………. 12 Table 3.4 EIS Outline………………………………………………………………. 13 Table 4.1 DENR National Ambient Air Quality Guideline for Criteria Pollutants… 19 Table 4.2 DENR Standards for Noise in General Areas (dBA)……………………. 21 Table 4.3 Pasig-Marikina River Basin……………………………………………… 26 Table 4.4 Inorganic Chemicals in Sediments (mg/kg)……………………………... 27 Table 4.5 Inorganic Chemicals in Sediments (mg/L)………………………………. 29 Table 4.6 Environmental Preservation Areas………………………………………. 31 Table 4.7 Aquatic Macrophytes found in the Pasig River…………………………. 31 Table 4.8 National List of Threatened Fauna in and around Metro Manila Area…. 32 Table 4.9 Project Affected Barangays……………………………………………… 33 Table 4.10 Estimated Population in the Study Area…………………………………. 34 Table 4.11 Estimated Annual Growth Rates in the Study Area……………………… 34 Table 4.12 Estimated Population Density in the Study Area……………………….... 34 Table 4.13 Estimated Population in the Directly Affected Barangays………………. 35 Table 4.14 Estimated Population in the Upper and Lower Sections of Phase III…… 36 Table 4.15 Special Economic Zones in NCR………………………………………… 37 Table 4.16 Significant Facilities and Industries Located along the Marikina River and Major Roads nearby……………………………………………….... 38 Table 4.17 Proportional Land Use in Pasig City…………………………………….. 39 Table 4.18 Biodata of Households in the Area Directly Affected by Phase III……… 40 Table 4.19 Public Places within 20 Minutes Walking Distance……………………… 42 Table 4.20 Number of Water-related Disease in Philippines………………………… 42 Table 4.21 Significant/Historical Sites and Landmarks in the Study Area………….. 43 Table 4.22 Original Region/Province of People in the Project Affected Area……….. 44 Table 5.1 Possible Negative Impacts without Mitigations………………………….. 46 Table 6.1 Mitigation Measures in EIS(1998)………………………………………. 49 Table 6.2 Suggested Mitigation Measures for Possible Negative Impacts…………. 50 Table 6.3 Suggested Environmental Management Plan for Phase III……………… 52 Table 6.4 Environmental Permissions to be Possibly Required……………………. 57 Table 6.5 Record of Public Consultation…………………………………………… 59 Table 6.6 Suggested MMT Components…………………………………………… 62 Table 7.1 Suggested Environmental Monitoring Plan……………………………… 64 Table 7.2 Sampling Locations for Phase III (Construction Stage)…………………. 65 Table 7.3 Suggested Monitoring Parameters……………………………………….. 67 Table 9.1 Possible Impacts and Suggested Mitigation Measures in the Operation Phase of Phase III………………………………………………………… 77 iii LIST OF FIGURES Figure 3.1 Summary Flowchart of EIA Process………………………………….. 9 Figure 3.2 Organization Chart of DENR…………………………………………. 11 Figure 3.3 Organization Chart of EMB…………………………………………… 12 Figure 4.1 Barangays along the Lower Marikina River…………………………… 17 Figure 4.2 Existing Environmental Sampling and Monitoring Locations of Ongoing Construction of Phase II……………………………………... 18 Figure 4.3 Air Quality TSP Levels in the Area……………………………………. 19 Figure 4.4 Noise Level around Phase II Construction Site………………………... 20 Figure 4.5 Water Quality (DO, BOD)……………………………………………... 23 Figure 4.6 Water Quality (NO3, PO4, TSS, COD, Oil and Grease, Total Coliform)………………………………………………………………. 24 Figure 4.7 Water Quality (Heavy Metals)………………………………………… 25 Figure 4.8 Sampling Locations for Sediment Quality…………………………….. 28 Figure 4.9 Prevalence Rate of HIV/AIDS………………………………………… 43 Figure 6.1 Institutional Relationship on EMP under Ongoing Implementation of 60 Phase II………………………………………………………………… Figure 7.1 Suggested Monitoring/Sampling Locations for Phase III……………… 66 iv ABBREVIATIONS ADB - Asian Development Bank As - Arsenic BOD - Biochemical Oxygen Demand CCEP - Construction Contractor‘s Environmental