Water Security through Supply and Demand Management
"Acknowledging future risks of reduced water availability, Hong Kong has adopted a Total Water Management Strategy to enhance water security and reliability. The project focuses not only on improving and expanding water resources but curbing demand as well.
To reduce demand, the city is reducing water loss by repairing and upgrading water mains, lowering leakage rates. The city also encourages water conservation methods through collaboration, active participation, and mutual commitments between public, private, and civic sectors. In terms of supply, Hong Kong is expanding its already world-leading sourcing strategies. While the city has used seawater for toilet flushing for many years, as part of the Total Water Management Strategy, this technique is now applied to 85% of the population as of 2015, saving 27 million m3 of freshwater and accounting for 27% of Hong Kong’s target for the 2020s. Hong Kong is exploring further alternative resources for the remainder of the target including reclaimed water, recycled grey water, and desalinated water."
Quote from: http://solutions.sustainia.me/solutions/water-security-through-supply-and-demand-management/