TDI is excited to share that GCS Water & Environmental Consultants has joined The Dewatering Institute (TDI) as a Contributor Member.
Founded in 1987, GCS is an employee-owned, independent consultancy specializing in water, environmental, and earth sciences. Headquartered in Johannesburg, they also have offices across Africa—including in Durban (South Africa), Windhoek (Namibia), Gaborone (Botswana), Maseru (Lesotho)—and in Ostrava (Czech Republic), with project experience in over 29 African countries.
GCS serves a number of key sectors, such as mining, energy (including oil, gas, and renewable energy), agriculture, infrastructure, and more, offering environmental, social and sustainability solutions globally.
Key Services & Expertise
1. Water Services
- Water Resources Management: Including development of groundwater and surface water resources, water supply investigations, conjunctive use schemes, aquifer protection/remediation, and natural mineral water development.
- Hydrology & Hydrological Planning: Flood hydrology, stormwater management, dam yield analysis, hydrological modelling, water footprinting and integrated water management.
- Mining Water Studies: Covering dewatering, hydrochemistry, mine waste management, numerical groundwater modeling, mine closure studies, and water quality monitoring.
- Monitoring Services: Including surface and groundwater quality monitoring, microbiological testing, groundwater level and air quality monitoring, plus biotic and occupational hygiene assessments.
- Agricultural & Irrigation Services: From borehole and well-field design to geophysical investigations, resource evaluations, catchment reserve studies, and monitoring – especially for precision agriculture purposes.
3. Renewable Energy
Built on a multi-disciplinary collaboration within GCS, this unit supports renewable energy projects—like solar and wind farms—with services including:
- Geotechnical site investigations.
- Geophysical surveys and in-situ testing.
- Hydrogeological and environmental assessments.
- Stormwater and hydrological assessments.
Essential for feasibility, construction planning, and risk mitigation of renewable energy installations.
4. Other Core Capabilities
- Geographical Information Systems (GIS): Supporting mapping, spatial analysis, and data visualization for various projects.
- Contaminated Site Management & Remediation: Although not detailed in-depth, they offer expertise in managing contaminated lands and developing remediation strategies.
- Environmental, Social & Governance (ESG): Tailored solutions to ensure projects meet modern ESG standards and stakeholder expectations.
Specialist Hydrogeology & Hydrology Solutions
GCS delivers expert services in the assessment, management, and protection of water resources. Their hydrogeology and hydrology teams support projects from initial investigations to long-term monitoring, ensuring sustainable water use and regulatory compliance.
Key capabilities include:
- Groundwater Development & Management – Borehole siting, drilling supervision, aquifer testing, and water supply optimisation.
- Numerical Modelling – Groundwater and surface water modelling for mine dewatering, aquifer protection, and resource planning.
- Hydrological Assessments – Flood hydrology, stormwater management, catchment analysis, and dam yield studies.
- Water Quality & Hydrochemistry – Sampling, monitoring, and interpretation to protect water resources and meet environmental standards.
- Mine Water Studies – Dewatering design, pit lake modelling, mine closure water planning, and contamination remediation strategies.
With experience across Africa and beyond, GCS combines technical excellence with local expertise to deliver sustainable, cost-effective water solutions.
In Summary
GCS (Water & Environmental Consultants) is a dynamic, Africa-rooted consultancy offering comprehensive services across water resources, environmental compliance, renewable energy, GIS, ESG, and more. Their multidisciplinary teams deliver technical and regulatory support to mining, energy, agriculture, infrastructure, and environmental sectors, backed by decades of experience and a strong continental footprint.
Join our TDI Community Today!
Join TDI Today
The Dewatering Institute is a platform bringing stakeholders in the global dewatering and groundwater control industry together. TDI’s purpose is to develop the Construction Dewatering, Mine Dewatering and Groundwater Control industry across the entire project life cycle.
The fundamentals of TDI are Education, Knowledge Sharing, Best Practices and Networking, which we bring to live through our website’s knowledge centre, by providing events, webinars and training courses, all backed up by a sophisticated marketing campaign to expand the exposure of TDI and its members.
Join our community today @ The Dewatering Institute. For any further questions you can reach out to riette@dewateringinst.com
