water treatment systems in South Africa

Water Treatment Systems in South Africa | Wastewater & Sewage Plants | HWT

HWT specialises in water treatment systems in South Africa, providing engineered solutions for municipal, industrial, and commercial applications. Established in 1994, HWT has successfully delivered over 200 plants ranging from 5 to 500 m³/day.

Our systems are engineered for reliability, efficiency, and ease of operation, combining proven process design with modern automation. All designs align with international best practices, including guidelines published by the Department of Water & Sanitation and the World Health Organization

river with a bridge

WHAT WE DO

Wastewater Treatment

  • Water Treatment Systems in South Africa
  • Sewage treatment plants
  • Biological nutrient removal systems
  • Package plants (containerised and modular)
  • Effluent reuse systems

Water Treatment

  • Borehole water treatment
  • Iron and manganese removal
  • Filtration and disinfection systems
  • Potable water plants

Specialised Solutions

  • Winery wastewater treatment
  • Grey water reuse systems
  • Compact plants for estates and lodges

WHAT WE SOLVE

  • Reduce Risk. Ensure Compliance. Reuse Water Efficiently.
  • Water treatment isn’t just about equipment—it’s about outcomes:
  • Avoid environmental penalties and compliance issues
  • Reduce operational costs through efficient system design
  • Enable water reuse and sustainability
  • Prevent system failures and costly downtime
  • We design systems that are robust, scalable, and built to last.
Container sewage treatment plant

OUR SERVICES

Maintenance & Support
Ongoing servicing to ensure reliability and compliance

End-to-End Water & Wastewater Treatment Solutions

From concept to long-term operation, we handle every stage:

Design & Planning
Custom-engineered systems tailored to your site and requirements

Installation & Commissioning
Turnkey implementation with full system integration

Upgrades & Optimisation
Improve performance of existing plants

PROVEN RESULTS

  • Real Projects. Measurable Outcomes.
  • We’ve delivered successful systems across multiple industries:
  • Winery wastewater treatment systems improving discharge quality
  • Industrial plants reducing COD and operational costs
  • Remote installations providing reliable off-grid sanitation
  • Custom-built systems for unique site constraints
  • Each project is designed to meet specific operational and regulatory requirements.
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An HWT containerized sewage treatment plant works by using a compact system housed in a shipping container to treat wastewater. It typically involves multiple stages of filtration, biological treatment (where bacteria break down waste), and disinfection to clean the water. The treated water can then be safely discharged or reused, making these plants ideal for remote locations or areas with limited infrastructure.
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Fun fact: “A shipping container that has only been used once is often referred to as a “one-trip container” or “single-use container.” These containers are typically in excellent condition, having only made one journey, usually from the manufacturer to the destination.”
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Johannesburg’s water system sometimes struggles not just because there isn’t enough water stored, but because old pipes, worn-out pumps and high demand from a rapidly growing city put so much strain on the infrastructure that taps go dry even when there is still water in reservoirs.