SewTreat Completes Landmark 64 KLPD Greywater Treatment Project for Major South African Campus
SewTreat, a specialist in decentralized water treatment solutions, has successfully delivered a state-of-the-art 64,000 litres per day greywater water treatment plant at a prominent South African university campus. The installation marks a significant step forward in institutional water reuse, reducing reliance on municipal supply and setting a new benchmark for sustainable campus operations.
The project, located at the Ndlovukasi and Horizon student residences, was conceived to align with the university’s strategic objective of enhancing water security and mitigating rising municipal water tariffs. By treating and reusing greywater generated on-site, the system provides a reliable, cost-efficient supply for toilet flushing and sports field irrigation.
A Complete Turnkey Solution
SewTreat’s scope included design, engineering, civil works, and full integration of the treatment facility into the campus water network. Key features include:
- 64 KLPD treatment capacity with biological and multi-stage filtration processes ensuring high-quality output.
- Plumbing upgrades to deliver reclaimed water to both residences for non-potable use.
- Irrigation integration, channeling surplus treated water to sustain surrounding sports fields.
- Municipal top-up line to guarantee operational resilience during low inflows or supply interruptions.

Environmental and Financial Benefits
The impact of this project is significant:
- 90% reduction in municipal water demand for non-potable uses.
- Annual savings exceeding R1.5 million, with a payback period of just 2.06 years.
- Operating costs at 13% of municipal rates, delivering sustainable long-term cost control.
- Full compliance with Special Discharge Standards, ensuring safe environmental discharge where necessary.
This solution advances institutional sustainability goals while addressing pressing water scarcity challenges in South Africa. It provides a replicable model for universities and large facilities seeking to achieve measurable cost savings and reduce environmental impact through smart water reuse strategies.

About SewTreat
SewTreat (Pty) Ltd is a South African-based water and wastewater treatment company specializing in modular, decentralized systems for commercial, residential, and institutional clients. With over 35 years of technical and engineering experience, SewTreat has successfully implemented cost-saving water infrastructure solutions across Sub-Saharan Africa.