Environmental Impact Assessment (EIA)

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An Overview of Environmental Impact Assessment (EIA)

Environmental Impact Assessment (EIA) is a crucial process for evaluating the ecological consequences of an environment-related project before its execution. Project proponents must submit a comprehensive EIA Report and an Environmental Management Plan (EMP) to obtain Environmental Clearance (EC) before initiating the project. The establishment of the Department of Environment in 1974 aimed to enforce significant environmental laws in India, including the Wildlife Act (1972), Water Act (1974), Forest Act (1980), Air Act (1981), and Environment (Protection) Act (1986). The Environmental Impact Assessment Notification 2006 made it mandatory for specific projects to acquire EC, including:
Mining of Minerals
Offshore and onshore oil and gas exploration, production, and development
River Valley projects
Thermal Power Plants
Nuclear power projects & processing of nuclear fuel
Coal washeries
Mineral beneficiation
Cement plant
Petroleum refining industry
Coke oven plants
Asbestos milling & asbestos-based products
Chlor-alkali industry
Metallurgical industries (ferrous & non-ferrous)
Soda ash Industry
Synthetic organic chemical industry
Distilleries
Integrated paint industry
Leather/skin/hide processing industry
Chemical fertilisers
Pesticides industry & pesticide-specific intermediates (excluding formulations)
Petrochemicals
Manmade fibres manufacturing
Petrochemical-based processing
Pulp & paper industry excluding paper manufacturing from waste paper and from ready pulp without bleaching Sugar Industry
Oil & gas transportation pipeline
Isolated storage & handling of hazardous chemicals
Physical infrastructures like Airports, breaking yards, Industrial estates/parks/areas, EPZs, SEZs, Biotech Parks, Leather Complexes, ports, harbours, highways
TSDFs, CETPs, CMSWMF
Building and Construction projects
Townships and Area Development projects.

Scope of Environmental Impact Assessment (EIA)

The Environmental Impact Assessment (EIA) serves as a crucial tool for evaluating the significant effects of a project or development proposal on the environment. Regulations mandate that decision-makers thoroughly consider the potential environmental impact before initiating a project, aiming to either avoid, reduce, or offset those effects. This ensures that project proponents have a comprehensive understanding of the environmental implications well before seeking approval. The Environmental Impact Assessment process is delineated in Appendix III of the EIA Notification, providing a structured framework for obtaining Environmental Clearance. More general information on Environmental Impact Assessment can be found in the World Bank's Operational Policy.
The EIA Report comprehensively addresses the impact on various aspects, including:
- Air Pollution Control and Air Quality Modeling
- Water Pollution Control
- Geology, Ecology & Biodiversity
- Noise & Vibration
- Hydrology, Ground Water, and its Conservation
- Land Use
- Risk & Hazards Management
- Solid Waste & Hazardous Waste Management
- Soil Conservation
- Socio-Economic Impact
- Environmental Risk Analysis and Disaster Management Plan
- Epidemiological Surveys and Exposure Assessment Studies
- Corporate Environmental and Social Responsibility (CESR)
- Mitigation Measures and Environmental Management Plan (EMP)

Factors considered for Environmental Impact Assessment (EIA)

Environmental Impact Assessment (EIA) involves the consideration of specific factors across various stages. While certain factors may be industry-specific, several are generally applicable to all sectors. The typical elements in the EIA process include: Project Description: This section outlines the proposed project, detailing its geographical, ecological, social, and temporal context. It may also identify the need for a social development or resettlement plan. Baseline Data: Describes the existing biological, physical, and socio-economic conditions around the project site, including anticipated changes before the project begins. Environmental Impacts: Involves predicting and assessing the project's positive and negative impacts in quantitative terms. It identifies potential mitigation measures and explores opportunities for environmental improvement. Alternatives Analysis: Compares feasible alternatives to the proposed project, considering site, technology, design, and operation. This includes assessing potential environmental impacts, practicality of impact reduction, costs, and appropriateness under local conditions. Environmental Monitoring Programme and Environmental Management Plan: Describes mitigation, monitoring, and institutional measures during construction and operation to eliminate, offset, or reduce adverse impacts. Consultation: Documents advisory meetings, including those held to obtain opinions from project-affected people, local NGOs, and governmental authorities. Summary and Conclusions: Provides an overview of the project's rationale, strategy for mitigating adverse effects, and key findings.

Stages of Environmental Impact Assessment (EIA):

Stage 1: Screening: Applicable to Category 'B' projects, where the SEAC determines the need for further studies based on project nature and location.

Stage 2: Scoping and Site Inspection: For Category A and B1 projects, involves formulating detailed Terms of Reference (TOR) and may include a site visit.

Stage 3: Public Consultation: For Category A and B1 projects, gathers concerns of the local community and stakeholders, considering socio-economic, cultural, and human aspects.

Stage 4: Appraisal: Involves scrutiny of the EIA report and consultation outcomes by the MoEF&CC or SEIAA, leading to categorical recommendations.

Applying for Environmental Clearance: Form Submission: An application for EC must be submitted in the prescribed Form 1 before initiating any site construction or land preparation.
Timeline: Obtaining an EC for an infrastructure project may take up to a year (12 months), and project sponsors should plan for this duration during the PPP project cycle.
Additional Permissions: Certain project permissions, like 'Consents under Water and Air Acts,' must be obtained from the respective State Governments.
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Required Document List

  • General project information, such as project name and location.
  • Specifics regarding project-related activities, including area distribution, water requirements, and waste generation.
  • Details about the utilization of natural resources in the project.
  • Identification of substances or materials that may pose hazards or be harmful.
  • Assessment of pollution emissions into the air, soil, and waterways.
  • Evaluation of noise, vibration, light, and heat emissions.
  • Analysis of the risk of accidents.
  • Consideration of factors that may have cumulative or consequential effects.
  • Information regarding environmentally sensitive areas in the vicinity of the project site.
  • Site/layout plan.
  • Documentation of installed machinery.
  • Proof of land ownership.
  • Identification proof of the signatory.
  • Quality test reports, as applicable.
  • Evidence of mitigation measures adopted.
  • Proof of electricity and water connections.
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