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water use decreases. These efforts should be continued by encouraging (through education and
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awareness) the recycling of fresh water within homes via greywater re-use systems.
Increasing wastewater treatment rates across the three treatment levels is also recommended for
Riyadh. While water re-use in general is increasing in Saudi Arabia, more re-usable water can be made
available through treatment for large-scale non-drinking commercial purposes.
ITU Supplements such as L Suppl. 14: ITU-T L.1500: ‘Standardization gap analysis for smart water
management’ and L Suppl. 15: ITU-T L.1500 series: ‘Requirements for water sensing and early warning
systems’ should be utilized by cities when actualizing their smart water management policies.
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