Water Conservation

Numerous limited resources are used in our daily lives, from the gas that runs our cars to the water we use for drinking, bathing, cooking and more. Certainly a life without water is impossible, but there are ways to limit our consumption as to preserve this resource. With many appliances and amenities in the modern home hooked up to a water line, most of these tips surround those uses of water: showering, cleaning dishes, laundry and more. Below are some suggestions; not to stop drinking so much, but to save it for that!


About 40% of all water consumed in the home is used in the bathroom. A quarter of that water is flushed down the toilet. New fixtures that are installed at SQU Eco-house to decrease water usage include:

  • Low-flow shower heads
  • Dual flush toilets
  • Faucet aerators; aerators for taps are inexpensive and can reduce water flow by 50%.


The kitchen is a major consumer of water in the home, using around 10% of total household water consumption for cooking, cleaning, washing, or drinking. Using dishwashers and aerators will reduce water consumption in kitchens.


15-20% of all water consumed in the home is used in the laundry, making this room a high consumer of not only water but also energy and detergents. Conventional washing machines use between 35 to 50 gallons per load (gpl). The newer front-loading machines are more efficient and use between 18 to 20 gpl.

Frequency of use
(Per person)
Daily water use without water conservation device
Daily water use with water saving device
Daily water savings using water saving device
Annual water saving
Low flush toilet5.1 flush/day20.45.6114.795398
Low volume shower head5.3 min/day15.99.276.632420
Low volume faucet4 min/day12662190
Front loading washing machine0.37 loads/day18.9108.93249
Water efficient dishwasher0.1 loads/day0.70.70.4146

SQU Eco-House is using compact treatment unit from Kingspan Klargester which is one of the leading organization in developing wastewater treatment units for residential buildings worldwide. The compact unit selected to treat wastewater produced by SQU Eco-House is the Klargester BioDisc®. This unit will provide a reliable, efficient and environmentally safe solution to the sewage disposal needs of the house and will enable safe reuse of the produced effluents. For SQU Eco-House, the water from the treatment unit will be sent to a storage tank where the water will be pumped to the irrigation system. Both the treatment unit and the storage tank are placed underground.

Treatment zones in the Klargester BioDisc® (adopted from the manufacturer catalogue)

The SQU Eco-House has two irrigation systems (Figure 4). The first system is through SQU main irrigation line which provides treated effluents to the all landscaping areas of the Eco-House. The second system is through the produced treated effluents from the in-situ treatment for the landscaping north, west and east of the Eco-House. The irrigation lines are controlled through manual valves. The arrangement is made to allow the utilization of the in-situ produced treated effluents first and then use SQU main irrigation line to cover the remaining irrigation requirements.

Drip irrigation is applied in the Eco-House landscape