Human Settlements: Sewage and grey water from a community is treated on site and re-used for toilet flushing while excess water can be used for irrigation (reducing potable water demand)
School (Oyster Bay) : treated water is used for gardening
Estates, Guest Houses, Restaurant (Mc Gregor)
Commercial and Industrials: aquaculture, farming, automotive (Barloworld, Maputo), Textile, Food Processing, etc.