Hydrogeological Survey Report

An Overview of Hydrogeological Survey Report

A Hydrogeological survey report ensures the investigation of a specific area's subsurface hydrologic and geologic parameters. The report entails a survey of the water-bearing levels as well as the filtration capacity of rocks. Furthermore, it plays a crucial role in determining the standardization concerning groundwater operational management structural patterns.

Hydrogeological survey reports have been conducted in the study area to understand better the local geology, geomorphology, drains network, aquifer qualities, and well yield. Moreover, the report gathering data during such a study can be used to create hydrogeological maps. It is explicit that the hydrogeological survey report encourages optimistic approach in the direction of upgrading groundwater levels to a larger extent.

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What is a Hydrogeological Survey Report?

A hydrogeological survey report is a report that provides for investigating a specific area's subsurface hydrologic and geologic parameters. It is prepared to study the area & better understand the local geology, geomorphology, drains network, and aquifer qualities of the area. Furthermore, it plays a crucial role in determining the standardization concerning groundwater operational management structural patterns.

Projects that Require Hydrogeological Survey Report Application

The hydrogeological survey is conducted for small, medium or large-scale industries depending upon the project and its purpose. However, the project gives an ultimate pit limit as the approved plan for the mining business, with an impact on the groundwater. Some of the major mining projects that require to submit the hydrogeological survey report application are as listed below:

• Coal Mining Projects
• Bauxite Mining Projects
• Lignite Mining Projects
• Natural Gas Mining Projects
• Petroleum (Crude Oil) Mining Projects
• Chromite Mining Projects
• Copper Mining Projects
• Gold Mining Projects
• Lead Mining Projects
• Manganese Ore Mining Projects
• Zinc Mining Projects
• Limestone Mining Projects
• Magnesite Mining Projects
• Phosphorite Mining Projects
• Diamond Mining Projects

Importance of Hydrogeological Survey Report in India

The importance of developing a detailed hydrogeological survey report is as discussed below:

1. Provides Valuable Information: The hydrogeological survey report provides valuable information with respect to the geological and hydrogeological conditions of an area, including the availability, quality, and movement of groundwater.
2. Helps in Decision-Making: The hydrogeological survey report assists in making informed decisions with respect to the groundwater management, such as identifying suitable locations for well construction, assessing the potential impacts of land use activities on groundwater resources, and developing effective groundwater protection strategies.
3. Identifies Potential Risks: The comprehensive hydrogeological survey report ensures identifying the potential risks or threats over the groundwater resources, such as contamination, over extraction, and depletion.
4. Helps in Resource Management: The comprehensive hydrogeological survey report assists businesses with management and improvement of groundwater resources in a particular area, such as aquifer characteristics, recharge rates, and water quality.
5. Facilities Compliance: The comprehensive hydrogeological survey report ensures facilitating the compliance with regulatory requirements related to groundwater management as outlined by Central Groundwater Branch.
6. Reduced Risk of Contamination: The hydrogeological survey report ensures reducing the risk of contamination of borehole water by identifying potential sources of contamination and by recommending appropriate mitigation measures.
7. Increased Chances of Success: The hydrogeological survey reporting is a process for assessment which ensures increasing the chance of success of a borehole by identifying the best location for the borehole and by recommending the appropriate borehole design and construction specification.

Types of Hydrogeological Survey Report

The different types of hydrogeological survey reports conducted based on the purpose of the procedure are as discussed below:

1. Small-Scale Hydrogeological Survey: A small-scale hydrogeological survey (1:1,000,000-1:500,000) is conducted in regions that have never been investigated before. The survey is conducted in order to gather the preliminary information concerning the ability of the rocks in the area retaining water and overall quality of the underground water.
2. Medium-Scale Hydrogeological Survey: A medium-scale hydrogeological survey (1:200,000-1:100,000) is a more detailed survey conducted to collect data for hydrogeological mapping. The survey ensures the mapping of water-bearing structures and further conducts a detailed study concerning the retentive capacity of the rocks in the region.
3. Large-Scale Hydrogeological Survey: A large-scale hydrogeological survey (1:50,000 and larger) is typically initiated to address specific issues during the engineering and operational planning stages. The survey ensures identifying the areas for water collection and examining the underground water reserves. Moreover, drilling processes, assessment of the composition & quantity of underground water, and proper flow measurement are also required for large and medium-scale assessments.

Documents Required for Hydrogeological Survey Report

The list of details required for conducting/ preparing a hydrogeological survey report are as discussed below:

• Goal and scope of the project
• Documentation of data collection
• Site Overview
• Setting geologic
• Setting hydrogeologic
• Surface characteristics
• Seismic activity
• Sources of information
• Figures
• Tables of data
• Impact on groundwater
• Data collection in the field
• Data interpretation and analysis
• Methods and reports for laboratory testing
• Hypotheses
• Conclusions & recommendations

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Steps for Preparing Hydrogeological Survey Report

The process required for conducting the hydrogeological survey report, which is crucial resource for governments, businesses, and environmental organizations, is as discussed below:

• Step 1: Preliminary Study: The first step requires the industrial setup to conduct a preliminary study and collect the existing data rated to the geological, hydrological & water usage in the area. This study also includes review of historical reports required for preparing the hydrogeological survey report.
• Step 2: Field Investigation: The next step is to conduct an on-site field investigation, including mapping and geophysical surveys of rock types, soil structures, and aquifers. This investigation helps in collecting data, determining aquifer properties, and accessing subsurface water-bearing formations.
• Step 3: Laboratory Analysis: The collected field data is sent to the laboratory for the analysis and interpretation of chemical properties/ results, including pH, salinity & mineral content, porosity, permeability, and grain size of the water, soil and rock respectively.
• Step 4: Data Analysis: The next step is to analyse and interpret the data collected in the field along with the laboratory analysis. This analysis enables the development of a comprehensive understanding of the hydrogeological conditions in the area.
• Step 5: Report Preparation: The final step requires preparing a hydrogeological survey report summarizing the finding of the survey. The report prepared must be in compliance with the regulatory requirements and provide actionable recommendations based on the survey results.

Structural Framework of Hydrogeological Survey Report

As mentioned earlier, the content of a hydrogeological survey report varies depending upon the project. However, well-organized standalone hydrogeological reports must include majority, if not all, of the following elements:

• Title & Introduction
• Signature Page
• Table of Contents, Figures, and Appendices Lists
• Purpose and Description of Hydrogeologic Systems
• Data Collection Methods
• Analysis of Groundwater Use & Development Methods/ Procedures
• Hydrogeologic Evaluation
• Documentation of Numerical Models (if modelling is performed)
• Water Quality Findings
• Recommendations (if required)
• Report Restrictions
• Sources of Information and References
• Appendices, Tables, and Figures

Scope of Hydrogeological Survey Report in India

The scope of the hydrogeological survey report in India is as discussed below:

1. Site Visit & Inspection: Site visits to become acquainted with the project areas. Determine any problems that may arise as a result of planned mining activities that may have an impact on the Ground Water Scenario.
2. Acquire & Synthesise Data: Acquire, research, and synthesise background information such as geology, hydrography, and established borehole data to improve assessment quality and plan detailed hydrogeological reports.
3. Conduct Hydrogeological & Geophysical Research: To conduct hydrogeological and geophysical research in the sample locations to determine the groundwater potential at the development site.
4. Prepare Hydrogeological Survey Reports: To prepare hydrogeological survey reports as prescribed in rules and guidelines issued by the Central Ground Water Board.
5. Assess Water Quality & Potential Violations: The scope of hydrogeological survey report in India extends towards assessing the quality of the water and potential violations of national standards.
6. Assess Groundwater Presence: The scope of hydrogeological survey report extends towards assessing groundwater presence and the consequences of planned activity on the groundwater, quality of water, and other abstractors.

Components of Hydrogeological Survey Report in India

The hydrogeological survey report in India required for mining projects by the Central Ground Water Board (CGWB) has a wider perspective, which includes the following components:

• Determination of end-requirement users for the location and quantity of groundwater
• Assessment of groundwater quality
• Evaluation of the catchment area
• Borehole design and construction recommendations
• Risk assessment for health or the environment
• The amount of groundwater expected from the given location
• Performing hydrogeological mapping assisted by groundwater exploration, geophysical assessments, aquifer parameter assessment, groundwater prediction, and groundwater regime monitoring
• Build a massive database of water levels, quality, underground lithology, geophysical logs, and aquifer parameters
• Conduct analysis, which enables the creation of hydrogeological maps and groundwater planning processes

Role of Hydrogeologist in Making Hydrogeological Survey Report

A hydrogeologist, which is responsible for studying the distribution, circulation, and physical properties of underground water sources, is responsible for key roles, as discussed below:

• Site inspection
• Locating underground water
• Preparation of geophysical and hydrogeological survey reports
• Finding locations for rainwater harvesting prospects
• Designing rainwater harvesting structures
• Groundwater modelling
• Aquifer testing
• GIS testing
• Borewell design
• Water sampling

Fees Required for Hydrogeological Survey Report

The fees required for preparing a hydrogeological survey report in India depend on the total land area and the total number of locations to be surveyed.

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Timeline for Hydrogeological Survey Report

The timeline for preparing the hydrogeological survey report varies depending upon the complexity of the project, location, and specific requirements. However, it typically takes around 3 to 6 months for timely completion of the survey and analysis required for hydrogeological survey reporting.

Why Trust Corpbiz for Hydrogeological Survey Report?

We at Corpbiz ensure that a detailed hydrogeological survey report is prepared for environmental monitoring, wellbore siting, or as part of current site investigations. Given below are the reasons why we are the most preferred choice for conducting a review of geological and hydrogeological conditions present on the site and preparing a hydrogeological survey report-

• Conducts background review of previous site investigation reports & published hydrogeological reports.
• Successfully assisting in the preparation of hydrogeological survey reports for 250+ projects.
• 99% success rate in filing hydrogeological survey report applications and preparation.
• Comprises an expert team of hydrogeologists and specialists with in-depth knowledge of local, national, and international environmental regulations.
• Utilize advanced technology and tools for obtaining accurate readings on various hydrological and geological factors.
• Guarantees efficient coordination between field teams, laboratories, and report writers ensuring on-time delivery of final survey reports.
• Ensure compliance with standards defined by the Central Ground Water Board (CGWB) and the Ministry of Jal Shakti.
• Successfully handled numerous hydrogeological surveys for a diverse range of industries, including mining, construction, agriculture, and other government projects.
• End-to-end assistance in the preparation of hydrogeological survey reports in India.