Category Archives: Water Conservation

typrs of water


Greywater At a domestic scale many householders currently re-use their greywater for garden watering. What is Greywater? Water that is discharged from household appliances and water using fixtures such as: showers/baths washing machines & washing sinks kitchen sinks & dishwashers (If used for disposal of fats and proteins, then not recommended) It excludes water discharged from toilets, bidets and urinals (black water) . What are the risks in using Greywater? Greywater contains large numbers of bacteria that may include disease causing organisms. It also contains a number of pollutants including […]

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Preventing Evaporation By Using Mulches

To prevent the water held in the soil from evaporating the soil needs a cover. In fact you should feel uneasy when you see bare land-it’s like skin with a layer missing. The most effective way to protect soil is to use mulches. Mulch is a layer over the soil which protects it from the damaging effects of wind, sun and water. Mulches have several special functions and multiple benefits: They reduce soil evaporation and therefor inhibit soil salination and general water loss, thereby saving water They increase water infiltration […]

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rain harvesting poster 2

Rain Harvesting for your toilet and washing machine

Now is the time to harvest your rain water and use it in your home. The simplest way to do this, is to use your harvested rain water in the toilet and washing machine. In this way you can cover two thirds of your house hold water usage during winter, the balance being your personal washing and drinking water. The basic requirements are: a roof a gutter system a down pipe and filter screen a water tank a small pump, pressure controller and filter and pipe work to connect it all […]

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Hot Composting

Cold vs Hot Composting Regular composting, also known as “cold composting”, involves placing a variety of organic materials in a compost bin, enclosure, or even just in a large heap, and leaving it there until it breaks down several months later. It’s a very slow process and typically takes 6 to 12 months. It can be sped up by turning the compost.  That is, moving around the material at the bottom of the heap to the top and vice versa to mix it up and get more oxygen in there […]

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Rain Harvesting ring main

Steps to Rain Harvesting

Steps to Rain Harvesting-Part 1 Determine your intention: Why harvest rain water: To use in the garden Dispersed under gravity Pumped Connected into your existing irrigation system To use in your home Supplying water to the washing machine Supplying water to the toilets Supplying water into the whole house Used as a water reserve Determine the quantity of water required and in what season Determine the gutter outlets (and square meters roof) available to harvest rain water Determine your rain harvest potential: Roof area available (eg: 100m2) Annual rain fall in […]

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leaking irrigation sprinkler valve

Is your irrigation system leaking?

It’s not unusual to find a water meter registering flow even though all the taps are off. This can be attributed to your irrigation systems solenoid valves leaking. Unfortunately it is not always easy to see if the solenoid values are leaking, as the water can exit the irrigation zone in an area that is not visible, and even small leaks over time become big bills. The best way to check for leaking values, is to first determine if your water meter registers flow when all the taps are off. […]

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City of Cape Town Logo

Max shower flow rate 10 l/min, more regulations below…

Implemented water regulations, condensed summary. The City of Cape Town Council has approved the step up to Level 2 water restrictions in Cape Town, which will be implemented from 1 January 2016. Furthermore, residents will have to abide by the following, more stringent regulations: ·         No watering (e.g. using buckets) of a garden using potable water between 09:00 and 16:00. Facilities/customers making use of boreholes or other alternative sources are not exempt ·         No watering (e.g. using buckets) will be permitted within 24 hours of rainfall that provides […]

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mandatory water restrictions

Level 2 Water Restrictions, What It Means To You…

Water restrictions The City of Cape Town Council has approved Level 2 water restrictions, applicable from 1 January 2016. As we are situated in a water-scarce region, the City imposes Level 1 restrictions (10% water savings) at all times. Because the City’s dam levels are lower than the norm, Level 2 restrictions (20% savings) have been approved to preserve the long-term sustainability of the resource. 20% reduction water tariffs With Level 2 restrictions approved, customers will be charged from 1 January 2016 according to 20% reduction tariffs (water | sanitation) […]

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dish washer

To hand wash or not to hand wash?

Water Rhapsody Atlantic: To hand wash or not to hand wash? When it comes to saving water, it seems some people firmly believe that the dishwasher is one of those things that need to be sacrificed. Too much water and energy is the argument. A new study firmly refutes this idea and revisits the debate on dishwashers. According to the study, London alone could save as much as 16 billion liters of fresh water a year if every household used a dishwasher instead of washing by hand, and as the […]

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