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E289 Volume 3 PEOPLE'S REPUBLIC OF CHINA CHONGQING MUNICIPAL GOVERNMENT I HE WORLD BANK Public Disclosure Authorized Public Disclosure Authorized CHONGQING URBAN ENVIRONMENT PROJECT NEW COMPONENTS DESIGN REVIEW AND ADVISORY SERVICES Public Disclosure Authorized ENVIRONMENTAL ASSESSMENT VOLUME 1: WASTE WATER CONS L!DATEDEA AUGUST 2004 No. 23500321.R3.1 Public Disclosure Authorized TT IN COLLABORATION 0 INWITH ( SOGREAH I I i I I I I I I PEOPLE'S REPUBLIC OF CHINA CHONGQING MUNICIPAL MANAGEMENT OFFICE OF THE ROGREAH WORLD BANK'S CAPITAL 1 __ ____ __ __ ___-_ CCONS0 N5 U L I A\NN I S UTILIZATION CHONGQING URBAN ENVIRONMENT PROJECT NEW COMPONENTS CONSOLIDATED EA FOR WASTEWATER COMPONENTS IDENTIFICATION N°: 23500321.R3.1 DATE: AUGUST 2004 World Bank financed This document has been produced by SOGREAH Consultants as part of the Management Office Chongqing Urban Environment Project (CUEP 1) to the Chongqing Municipal of the World Bank's capital utilization. the Project Director This document has been prepared by the project team under the supervision of foilowing Quality Assurance Procedures of SOGREAH in compliance with IS09001. APPROVED BY DATE AUTHCP CHECKED Y (PROJECT INDEY PURPOSE OFMODIFICATION DIRECTOR) CISDI / GDM GDM B Second Issue 12/08/04 BYN Chongqing Project Management zli()cqdoc:P=v.cn 1 Office iiahui(cta.co.cn cmgpmo(dcta.cg.cn 2 The World Bank tzearlev(.worldbank.org 3 SOGREAH (SOGREAH France, alain.gueguen(.soqreah.fr, SOGREAH China) qmoysc!soQreah.com.cn CHONGQING MUNICIPALITY - THE WORLD BANK CHONGQING URBAN ENVIRONMENT PROJECT - NEW COMPONENTS CONSOLIDATED EA FOR WASTEWATER COMPONENTS CONTENTS INTRODUCTION ............. .. I 1.1. GENERAL BACKGROUND OF THE PRESENT PROJECT .................................... 1 1.2. GENERAL BACKGROUND FOR EA . 4 1.2.1. CLASSIFICATION OF EA. 4 1.2.2. PRINCIPLES & METHODOLOGY FOLLOWED. 4 1.2.3. COVERAGE OF EA .4 1.3. LAYOUT OF EA REPORT. 5 2. INSTITUTIONALFRAC,)=.,,R'. FOREiA .6 2.1 -Il.S'F.r_8N.1EZ. zTAL INSTITUTIONS AND LESC. 6 2.1.1. NATIONAL LEVEL: E?C AND SEPA . 2.1.1.1. ENVIRONMENTAL PROTECTION COMMISSION (EPC) ................................................... 2.1.1.2. STATE ENVIRONMENTAL zrC iE thC'- ADMINISTRATION (SEPA) .O 2.11.2. J'I. L ..'i. .. 2.2. APPLICABLE LAWS & SC ILATIONS. ........................................... I.7 2.3. fYD;W., BANK SAFEGUARS .9 2.4. _!I. IRON A.1E 7JT L QUALITY STANDARDS....................... 9 2.5. DETERMINATION OF ENVIRONMENTAL FUNCTiON ZONING .10 2.6. CATEGORIES. SCOPE OF ASSESSMENT. ASSESSING STAGE OR TIME PERIOD . 10 3. ENVIRONMENTAL SITUATION AND DEVELOPMENT STRATEGY .12 3.1. PRESENT ENVIRONMENTAL SITUATION INCHONGQING .12 3.11. PRESENT SITUATION OF WASTEWATER SECTOR .12 3.'.2. PRESENT SITUATION OF SOLID WASTE COLLECTION AND TREATMENT .13 3.1.3. PRESENT SITUATION FOR OTHER E.N I,R1ON.1INTAL INFRASTRUCTURES.... 13 3.2. OVERALL DEVELOPMENT PROGRAM OF URBAN ENVIRONMENTAL INFRASTRUCTURE14 3.2.1. OVERALL DEVELOPMENT FRAMEWORK .14 3.2.2. SECTOR ARRANGEMENTS FOR THE DEVELOPMENT PROGRAM .14 3.2.2.1. WASTEWATER MANAGEMENT ................................................................ 14 3.2.2.2. URBAN SOLID WASTE MAtIAGEMENT . 14 3.2.2.3. PLANNING OF OTHER ENVIRONI.ENTAL INFRASTRUCTURE PROJECTS .. 15 3.3. DEVELOP,iMENT PROGRAi,! CO,,IPONENTS UNDER WORLD BANK LOANS ............... 15 3.3.1. DEVELOPMENT PROGRAM FOR IMPROVEMENT OF INFRASTRUCTURE IN MEDIUM- AND SMALL-SIZED TOWNS .............................................. 15 3.3.2. DEVELOPMENT PRCGRAM FOR RIVERBANK (BUND ROAD) PROJECTS ........ 17 3.3.3. DEVELOPMENT PROGRAM FOR WATER SUPPLY PROJECTS ..................... ..... 17 3.3.4. DEVELOPMENT PROGRAM FOR WASTEWATER PROJECTS ............................. 18 3.4. SUMMARY OF CSCP .............................................. 19 SCGREAH - BYN - N°2 35 CC32 I RP A-a.--- 2Q2 PAOE I CHONGQING MUNICIPALITY - THE WORLD BANK CHONGQING URBAN ENVIRONMENT PROJECT - NEW COMPONENTS CONSOLIDATED EA FOR WASTEWATER COMPONENTS . 20 4. DESCRIPTION OF THE WASTEWATER PROJECT COMPONENTS 20 4.1. PROJECT COMPLIANCE WITH NATIONAL AND MUNICIPAL STRATEGIES ................. ...21 4.2. WASTEWATER COMPONENTS PRESENTATION . ........................... INFORMATION .............................................. 21 4.2.1. GENERAL 22 4.2.2. SUBPROJECTS CHARACTERISTICS .............................................. 22 4.2.2.1. SUMMARY OF SUBPROJECT CHARACTERISTICS ...... .23 4.2.2.2. DETAILS ON WASTEWATER TREATMENT PROCESS . .23 4.2.2.3. MAIN FAVORABLE SUPPORTS FOR SUBPROJECTS . 24 4.2.2.4. EARTHWORKS QUANTITIE .. 4.3. IMPLEMENTATION SCHEDULE .24 25 4.4. PROJECT COST ............................... ; 5. WASTEWATER PROJECT ALTERNATIVES . .26 1 26 5.1. GENERAL OBJECTIVES OF CUEP .. .. 5.2. MAIN CRITERIA FOR ALTERNATIVE SELECTION .26 26 5.3. ALTERNATIVE WITHOUT PROJECT. 5.4. ALTERNATIVE LOCATION OF FACILITIES . .27 5.4.1. FOR BACHUAN RIVER AND HUAIYUAN RIVER .27 5.4.2. FOR LAIXI RIVR .27 23 5.4.3. FOR TACHUAXI Ail.E- IN CHANGSHOU I . I.;. ALTERNATIVE DESIGN a TREATMENT PROCESS .28 9. ~.o. AL'---4TI ' ' V,1 C'.S1EI T FOR Xjr.. - 6. ..........BASELNENENVIRONMENTAL CONDITIONS . .30 30 6.1. PHYSICAL ENVIRONMENT . .. 6.1.1. CLiMATE .30 6.1.2. HYDRLOGY..30 6.1.3. SURFACE WATER QUALITY .31 6.1.4. AIR QUALITY .32 32 6.2. ECOLOGICAL ENVIRONMENT .. 6.2.1. VEGETATION .32 6.2.2. WILDLIFE .32 6.2.3. PROTECTED OR RESTRICTED AREAS .33 6.2.4. AQUATIC ECOLOGY .33 33 6.3. SOCIAL AND CULTURAL ENVIRONMENT .. POPULATION PROFILE .33 6.3.1. 33 INDUSTRY AND LOCAL ECONOMY. 6.3.2. 3.......................................34 6.3.3. INFRASTRUCTURES & SERVICES .................................. 6.3.A. QUALITY OF LIFE .34 6.3.5. CULTURAL AND ARCHAEOLOGICAL VALUES .35 6,3.6. SENSITIVE SITES .35 6.4. MAIN ENVIRONMENTAL ISSUES AND PROBLEMS .35 6.4.1. INDUSTRIAL POLLUTION .35 AND PLANS IN 6.4.1.1. INDUSTRIAL WASTEWATER PROPORTION AND ITS TREATMENT MEASURES . 37 TONGLIANG ................................................. ..................... ........ AND PLANS IN 6.4.1.2. I!IDUSTRIAL WASTEWATER PROPORTION AND ITS TREAI MENT MEASURES 37 DAZU . 38 6.4.2. POOR INFRASTRUCTURES. SCRCEAIH - BYN - N 2 35 CO32 1 R3 1-A 20\J4 CHONGQING MUNICIPALITY-THE WORLD BANK CHONGQING URBAN ENVIRONMENT PROJECT - NEW COMPONENTS CONSOLIDATED EA FOR WASTEWATER COMPONENTS 6.4.3. RIVERS NEED TO BE CONTROLLED ......................................................... 38 6.4.4. ENVIRONMENT CONDITIONS FOR INTEGRATED RIVER CONTROL .................. 38 7. IMPACT ASSESSMENT & MITIGATION .................. ...................... 40 7.1. GENERAL .......... 40 7.2. POTENTIAL IMPACTS & MITIGATION DUE TO PROJECT LOCATION . .41 7.2.1. PERMANENT LAND OCCUPATION AND RESETTLEMENT .41 7.2.2. IMPACT OF THREE GORGES DAM ON RIVER HYDROLOGY .42 7.2.2.1. MATHEMATICAL MODEL FOR SECONDARY RIvERS . .42 7.2.2.2. TWO-DIMENSIONAL STABLE MIXING MODEL , .. 43 7.3. IMPACTS & MITIGATION DURING CONSTRUCTION AND OPERATION .45 7,3.1. IMPACT ON WATER QUALITY .45 7.3.1.1. IMPACT DURING CONSTRUCTION .45 7.3.1.2. IMPACT DURING OPERATION .45 7.3.1.3. IMPACT ON LOCAL WATER QUALITY OF YANGTZE RIVER .47 7.3.2. IMPACTS ON AIR QUALITY .47 7.3.2.1. IMPACTS DURING CONSTRUCTION .47 7.3.2.2. IMPACTS DURING OPERATION . 48 7.3.3. IMPACT FROM NOISE .49 7.3.3.1. IMPACTS DURING CONSTRUCTION .................... ................... ,,,,,,,49............,....49 7.3.3.2. IMPACTS DURING OPERATION . 50 7.3.4. TEMPORARY LAND ACQUISITION DURING CONSTRUCTION .50 7.3.5. IMPACT ON NATURAL AND ECOLOGICAL ENVIRONMENT .51 7.3.6. CONSTRUCTION WASTE MANAGMENT .51 .7. OFF-SITE PUBL!C SAFETY AND INCONVENIENCE 52 73.3. IMPACT ON QUALUTY OF LIFE 53 7.3.5. SLUDGE E..1..T. , . ... , , 53 7.3.9.1. ESTIMATED SLUDGE PRODUCTON. .53 7.3.9.2. SLUDGE COMPOSITION ...................... ............................................. .... 54.54 7,3.9.3. TREATMENT AND DISPOSAL OF SLUDGE .54 7.4. ENVIRONMENTAL RiSK ANALYSIS . .56 7.4.1. OVERFLOW AND ACCIDENTAL SPILLAGE ........................................ 56 7.4.2. DEVELOPMENT PLANNING .56 7.4.3. THREAT FROM INDUSTRIAL ACTIVITIES .......................................... 56 7.4.4. RISK RELATED TO SLUDGE MANAGEMENT .57 8. ENVIRONMENTAL MANAGEMENT PLAN (EMP) . .58 8.1. CONTRACTUAL CO:.-)T,,S FOR EMP.. 58 8.2. IMPACTS AND MITIGATION MEASURES .58 8.3. MITIGATION PROGRAM .62 8.4. MONITORING PROGRAMS .. 63 8.4.1. MONITORING OF CONSTRUCTION ACTIVITIES .63 8.4.2. WATER QUALITY MONITORING .63 8.4.2.1. LOCATION OF SAMPLING SITES .. 63 8.4.2.2. PARAMETER> . U BE MEASURED .. 63 8.4.3. AIR QUALITY AND NOISE MONITORING .64 8.4.3.1. PARAMETERS .. 64 8.5. DOCUMENTS REQUIRED iY EP .65 9. PUBLIC CONSULTATION .. 66 9.1. METHODANDORGANIZATION .66 E Y2 R_3 .. ..- p cl CHONGQING MUNICIPALITY - THE WORLD BANK CHONGQING URBAN ENVIRONMENT PROJECT - NEW COMPONENTS CONSOLIDATED EA FOR WASTEWATER COMPONENTS 9.2. ACTIVITIES CARRIED OUT .................................... 66 10. CONCLUSIONS AND RECOMMENDATIONS ................................. 72 10.1. IMPORTANCE OF PROJECT .................................... 72 10.2. MAJOR ANTICIPATED IMPACTS AND MEASURES .................... ................ 72 LIST OF APPENDICES APPENDIX 1: LIST OF EA PREPARERS APPENDIX 2: FIGURES APPENDIX 3: ENVIRONMENTAL QUALITY STANDARDS IN PRC APPENDIX 4: RESULTS FROM PUBLIC CONSULTATION APPENDIX 5: PHOTOGRAPHS PA'- IV SCGR-AH, - BYN -'2 3 2 R CHONGQING MUNICIPALITY -THE WORLD CHONGQING BANK URBAN ENVIRONMENT PROJECT - NEW COMPONENTS CONSOLIDATED EA FOR WASTEWATER COMPONENTS LIST OF TABLES Table 1. Sub-Components of CUEP New Components .............................................................. ,.,.,,., 2