OIL AND NATURAL GAS CORPORATION LIMITED Draft EIA/EMP and RA/DMP for Drilling of Exploratory wells in 23 Blocks of Western Onshore Basin, Vadodara, Bharuch and Surat Districts of Gujarat JUNE 2013 Kadam Environmental Consultants www.kadamenviro.com Environment f or Development EIA/EMP AND RA/DMP FOR DRILLING OIL AND NATURAL GAS CORPORATION OF EXPLORATORY WELLS IN 23 BLOCKS LIMITED OF WESTERN ONSHORE BASIN TABLE OF CONTENTS OIL AND NATURAL GAS CORPORATION LIMITED Draft EIA/EMP and RA/DMP for Drilling of Exploratory Wells in 23 Blocks of Western Onshore Basin in Vadodara, Bharuch and Surat Districts of Gujarat © Kadam Environmental Consultants (‘Kadam’), June 2013 This report is released for the use of the Oil and Natural Gas Corporation Limited, regulators and relevant stakeholders solely as part of the subject project’s Environmental Clearance process. Information provided (unless attributed to referenced third parties) is otherwise copyrighted and shall not be used for any other purpose without the written consent of Kadam. QUALITY CONTROL M/s Oil and Natural Gas Corporation Limited: Draft EIA/EMP and RA/DMP for Drilling of Name of Exploratory Wells in 23 Blocks of Western Onshore Basin in Vadodara, Bharuch and Surat Publication Districts of Gujarat Project Number 1212340206 Report No. 1 Version 1 Released June, 2013 DISCLAIMER Kadam has taken all reasonable precautions in the preparation of this report as per its auditable quality plan. Kadam also believes that the facts presented in the report are accurate as on the date it was written. However, it is impossible to dismiss absolutely, the possibility of errors or omissions. Kadam therefore specifically disclaims any liability resulting from the use or application of the information contained in this report. The information is not intended to serve as legal advice related to the individual situation. Cover page from top left Dhadhar River in the Study Area, Temple at Kayavarohan, Cattle Egret in the Study Area, Railway line in the Study Area KADAM ENVIRONMENTAL CONSULTANTS| JUNE 2013 1 EIA/EMP AND RA/DMP FOR DRILLING OIL AND NATURAL GAS CORPORATION OF EXPLORATORY WELLS IN 23 BLOCKS LIMITED OF WESTERN ONSHORE BASIN TABLE OF CONTENTS DECLARATION BY EXPERTS CONTRIBUTING TO THIS REPORT “I, hereby, certify that I was a part of the EIA team in the following capacity that developed this Report”. EIA Sector Number Name of Sector Offshore and onshore oil and gas exploration, 2 as per NABET as per NABET development and production EIA COORDINATOR Name Sameer Kadam Period of involvement From: December 2012 – Ongoing Address: 871/B/3, GIDC Makarpura, Mobile No: +91 7698099111 Contact Information Vadodara, Gujarat - 390010 Landline No.: +91-265-3001-003 Project Co ordinator Jayesh Makwana (Team Member) FUNCTIONAL AREA EXPERTS Name of the Functional Areas Involvement (Period & Task**) Expert Period of Involvement: December 2012- ongoing Air Pollution Tasks: Monitoring & Control Site visit, finalization of monitoring locations, checking air quality Sameer Kadam (AP) and Air Quality data, evaluation of results of Ambient Air Quality Monitoring (FAE) Modeling and (AAQM), supervision of air quality modeling and prediction, Prediction (AQ) identification of impacts, suggestion and finalization of mitigation measures with client, and contribution to EIA documentation Period of Involvement: December 2012- ongoing Tasks: Landuse (LU) Jessica Karia (FAE) Development of landuse maps of study area using GIS / related tools, site visit for ground truth survey, finalization of landuse maps, contribution to EIA documentation Period of Involvement: December 2012- ongoing Tasks: Site Visit, Finalization of sampling locations for surface water Sameer Kadam Water Pollution (WP) sampling, water balance for the project, evaluation of water (FAE) pollution control management, identification of impacts, suggestion and finalization of mitigation measures, contribution to EIA documentation Period of Involvement: December 2012- ongoing Solid and Hazardous Tasks: Sameer Kadam Waste Management Identification of waste generated from the industry, studying (FAE) (SHW) adequacy of mitigation measures for management of hazardous waste, contribution to the EIA documentation KADAM ENVIRONMENTAL CONSULTANTS| JUNE 2013 2 EIA/EMP AND RA/DMP FOR DRILLING OIL AND NATURAL GAS CORPORATION OF EXPLORATORY WELLS IN 23 BLOCKS LIMITED OF WESTERN ONSHORE BASIN TABLE OF CONTENTS Name of the Functional Areas Involvement (Period & Task**) Expert Period of Involvement: December 2012- ongoing Tasks: Solid and Hazardous Harsh Yadav Assistance in Identifying solid and Hazardous generated during Waste Management (AFAE) drilling activities, Site visit at existing drilling site to identify waste, (SHW) identifying impacts and measures for management of hazardous waste Period of Involvement: December 2012- ongoing Risk and Hazards Jitixa Upadhyay Tasks: (RH) (FAE) Coordinating safety studies Developing & interpreting consequence contours Period of Involvement: December 2012- ongoing Tasks: Risk and Hazards Harsh Yadav Collecting data for RH studies through site visits and interaction (RH) (AFAE) with client Developing & interpreting consequence contours, suggesting mitigation measures Period of Involvement: December 2012- ongoing Tasks: Hydrogeology and Pradeep Pofali Understanding and representing groundwater conditions, Water Conservation (FAE) finalization of groundwater sampling locations, finalization of (HG) survey findings, identification of impacts, suggestion of mitigation measures and contribution to the EIA documentation Period of Involvement: December 2012- ongoing Tasks: N. Madhukara Geology (GEO) Geology and geomorphologic analysis based on secondary data (FAE) Finalization of soil sampling locations, analysis of the data collected, contribution to EIA documentation Period of Involvement: December 2012- ongoing Socio-Economics Dr. C N Ray Tasks: (SE) (FAE) Site Visit/ Field Survey, Assessment of the possible changes to socio-economic issues arising out of the proposed project activity Period of Involvement: December 2012- ongoing Tasks: Socio-Economics Anil Vishwakarma Site Visit/ Field Survey, Primary data collection, (SE) (FAE- Category B) evaluation of Socio–Economic status of the study area, assessment of the possible changes to socio-economic issues arising out of the proposed project activity, contribution to the EIA documentation Period of Involvement: December 2012- ongoing Ecology and Bio- Dr. Manoj Eledath Tasks: diversity (FAE) Site Visit, Supervision of work done by Deputy FAE, finalization of Conservation (EB) survey findings and contribution to the FAE documentation Period of Involvement: December 2012- ongoing Ecology and Bio- Mitali Khuman Tasks: diversity (AFAE) Site Visit, analysis of Biological Samples, Contribution to FAE Conservation (EB) documentation KADAM ENVIRONMENTAL CONSULTANTS| JUNE 2013 3 EIA/EMP AND RA/DMP FOR DRILLING OIL AND NATURAL GAS CORPORATION OF EXPLORATORY WELLS IN 23 BLOCKS LIMITED OF WESTERN ONSHORE BASIN TABLE OF CONTENTS Name of the Functional Areas Involvement (Period & Task**) Expert Period of Involvement: December 2012- ongoing Noise and Vibration Chintan Athalye Tasks: (NV) (FAE) Analysis of data, noise modeling, identification of impacts and mitigation measures, and contribution to EIA documentation KADAM ENVIRONMENTAL CONSULTANTS| JUNE 2013 4 EIA/EMP AND RA/DMP FOR DRILLING OIL AND NATURAL GAS CORPORATION OF EXPLORATORY WELLS IN 23 BLOCKS LIMITED OF WESTERN ONSHORE BASIN TABLE OF CONTENTS CONTENTS 1 EXECUTIVE SUMMARY .............................................................................. 19 1.1 INTRODUCTION AND BACKGROUND .................................................................... 19 1.1.1 About ONGC ................................................................................... 19 1.1.2 About 23 Blocks ............................................................................... 19 1.1.3 Regulatory Framework ....................................................................... 20 1.1.4 Project Chronology till Date ................................................................. 20 1.2 PROJECT DESCRIPTION ................................................................................ 20 1.2.1 Location of the Project ....................................................................... 20 1.2.2 The Drilling Process ........................................................................... 20 1.2.3 Workforce Management ...................................................................... 21 1.2.4 Power Requirement ........................................................................... 21 1.2.5 Water Requirement ........................................................................... 21 1.2.6 Waste Water Generation ..................................................................... 21 1.2.7 Air Emissions................................................................................... 21 1.2.8 Solid and Hazardous Waste Management ................................................. 22 1.3 DESCRIPTION OF THE ENVIRONMENT .................................................................. 22 1.3.1 Study Area ..................................................................................... 22 1.3.2 Landuse of the Study Area .................................................................. 22 1.3.3 Climatology .................................................................................... 23 1.3.4 Ambient Air ...................................................................................