Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized Research Center for Eco-Environmental Sciences, Environmental Impact Assessment Report Report Assessment Impact Environmental Shanxi Water Conservation Project II II Project Conservation Water Shanxi Chinese Academy of Sciences Sciences of Academy Chinese September 30th, 2010 30th, September E2566 V1 rev rev E2566 V1 TABLE OF CONTENTS 1 Generals ............................................................................................................ 4 1.1 Background .............................................................................................................. 4 1.2 Compliance with Relevnat Master Plan ................................................................... 4 1.3 Application EA Regulations and Standard ............................................................... 5 1.4 Assessment component, focal point and environmental protection goal.................. 5 Assessment component .................................................................................................. 5 Assessment focal point................................................................................................... 6 Objectives of environmental protection ......................................................................... 6 1.5 Assessment level ...................................................................................................... 6 1.6 Assessment principles .............................................................................................. 7 1.7 Assessment scheme and program............................................................................. 7 2 Project Description ........................................................................................... 9 2.1 Project situations ............................................................................................................... 9 Project name, character and components ....................................................................... 9 Project scale and investment .......................................................................................... 9 Project objectives ..........................................................................................................11 Project area distribution ................................................................................................11 2.1 Project components ................................................................................................ 12 Water Source Works..................................................................................................... 12 2.1.1.1 Field irrigation works .............................................................................. 15 Agriculture Intensification & Support.......................................................................... 15 Wind Barriers............................................................................................................... 16 Management water saving measures............................................................................ 16 2.2 land occupation and immigration allocation planning............................................ 17 2.3 Project analysis....................................................................................................... 17 Analysis on the impact of irrigation component on environment ................................ 18 Analysis on the impact of agricultural component on environment............................. 19 Environmental impact of construction process ............................................................ 19 impacts on water utilization, social and economic development ................................. 19 2.4 Identification of environmental impact factors....................................................... 20 3 Environmental conditions of project area...................................................... 22 3.1Geography........................................................................................................................ 22 Topography .................................................................................................................. 22 Climate ......................................................................................................................... 22 Soil and plants.............................................................................................................. 22 River system................................................................................................................. 23 Hodrogeography........................................................................................................... 23 3.1 Socio-economy....................................................................................................... 24 Populations................................................................................................................... 24 National economy ........................................................................................................ 24 Agricultural production................................................................................................ 24 3.2 Main Problems in Agricultural Irrigaiton ............................................................... 25 Main Problems in Irrigation’s Water Source Works..................................................... 25 Main problems in Irrigation Area................................................................................. 25 4 Present status of environmental quality......................................................... 26 4.1 Pollution sources ............................................................................................................. 26 4.2 Soil quality ............................................................................................................. 26 Soil fertility .................................................................................................................. 26 Soil heavy metal........................................................................................................... 26 Soil salinization............................................................................................................ 27 4.3 Present situation of surface water environment quality.......................................... 27 4.4 Present Situation of Groundwater Quality.............................................................. 27 4.5 Present Situation of Air Quality.............................................................................. 28 4.6 Present Situation of acouostic Quality.................................................................... 28 5 Environmental impact assessment ................................................................. 28 5.1 Project positive impact on the environment.................................................................... 28 5.2 Impact of water saving irrigation on water utilization and groundwater level....... 29 impact of water saving irrigation on water utilization.................................................. 29 Impact of water saving irrigation on groundwater level .............................................. 30 5.3 Impact of fertilizer application on soil and water environment.............................. 30 Impact of fertilizer on groundwater.............................................................................. 31 5.4 Impacts of pesticide on soil and groundwater ........................................................ 36 Application of pesticides in project areas..................................................................... 36 Behavior of pesticide in soil and groundwater............................................................. 36 Impacts of pesticide on groundwater and its control after project ............................... 37 5.5 Environmental impact analysis for main water conveyance component................ 39 5.6 Environmental impact during construction ............................................................ 39 General impacts during construction............................................................................ 39 Impacts during construction of Jiexue Subproject ....................................................... 40 Impacts during construction of water conveyance pipeline ......................................... 41 Impacts during construction of Longmen canal diversion works................................. 41 5.7 Social impact assessment........................................................................................ 42 Alleviation of regional conflicts between water supply and demand........................... 42 Impact on rural production pattern after project........................................................... 42 Impact on agricultural economy................................................................................... 42 Impact of industrial and residential water use.............................................................. 43 6 Alternative analysis......................................................................................... 43 6.1 General comparative analysis with or without project .................................................... 43 6.2 comparative analysis of water conveyance pipeline............................................... 43 7 Environmental benefit analysis .....................................................................