National Water Act, 1998 (Act No. 36 of 1998)

Regulations

Water Use Licence Application and Appeals Regulations, 2017

Annexures

Annexure D

The Tables of Contents

5 Geohydrology Report

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1.Introduction

 

2. Geographical setting

 

2.1 Topography and drainage
2.2 Climate

 

3. Scope of Work

 

4. Methodology

 

4.1 Desk study
4.2 Hydro-census
4.3 Geophysical survey and results
4.4 Drilling and siting of boreholes
4.5 Aquifer testing
4.6 Sampling and chemical analysis
4.7 Groundwater recharge calculations
4.8 Groundwater modelling
5.9 Groundwater availability assessment

 

5. Prevailing groundwater conditions

 

5.1 Geology
5.1.1 Regional geology
5.1.2 Local geology
5.2 Acid generation capacity
5.3 Hydrogeology
5.3.1 Unsaturated zone
5.3.2 Saturated zone
5.3.3 Hydraulic conductivity
5.4 Groundwater levels
5.5 Groundwater potential contaminants
5.6 Groundwater quality

 

6. Aquifer Characterisation

 

6.1 Groundwater vulnerability
6.2 Aquifer classification
6.3 Aquifer protection classification

 

7. Groundwater Modelling

 

7.1 Software model choice
7.2 Model set -up and boundaries
7.3 Groundwater elevation and gradient
7.4 Geometric structure of the model
7.5 Groundwater sources and sinks
7.6 Conceptual model
7.7 Numerical model
7.8 Results of the model
7.8.1 Pre-facility (Mining/lndustry/ Wastewater treatment plant, etc)
7.8.2 During facility (mining/ Industry/ Wastewater treatment plant) operations
7.8.3 Post-facility (mining/ Industry/ Wastewater treatment plant) operation

 

8. Geohydrological Impacts

 

8.1 Construction phase
8.1.1Impacts on Groundwater Quantity
8.1.2 Impacts on Groundwater Quality
8.1.3 Groundwater Management
8.2 Operational phase
8.2.1 Impacts on Groundwater Quantity
8.2.2 Impacts on Groundwater Quality
8.2.3 Impacts on Surface Water
8.2.4 Groundwater Management
8.3 Decommissioning phase
8.4 Post- mining phase
8.4.1 Groundwater Quantity
8.4.2 Groundwater Quality
8.4.3 Cumulative Impacts
8.4.4 Groundwater Management

 

9. Groundwater monitoring system

 

9.1 Groundwater monitoring network
9.1.1 Source, plume, impact and background monitoring
9.1.2 System response monitoring network
9.1.3 Monitoring frequency
9.2 Monitoring parameters
9.3 Monitoring boreholes

 

10. Groundwater Environmental Management Programme

 

10.1 Current groundwater conditions
10.2 Predicted impacts of facility (mining)
10.3 Mitigation measures
10.3.1 Lowering of groundwater levels during facility operation (Mining /Industry/ Wastewater treatment plant, etc
10.3.2 Rise of groundwater levels post-facility operation (Mining /Industry/ Wastewater treatment plant, etc
10.3.3 Spread of groundwater pollution post-facility operation (Mining /Industry/ Wastewater treatment plant, etc

 

11. Post Closure Management Plan

 

11.1 Remediation of physical activity
11.2 Remediation of storage facilities
11.3 Remediation of environmental impacts
11.4 Remediation of water resources impacts
11.5 Backfilling of the pits.

 

12.Conclusion and Recommendations