70 |2020 Sustainability Report |Global challenge % in areas under water 2019 2020 19/20 stress Water recycled or re-used (m)3 50,890,362 56,424,446 10.9% 100% In 2020 the production of recycled water increasedAqualia has taken numerous actions with the aim of again, due to an increase in treated water at the Newimproving the protection of the resource, these include Cairo WWTP, where treated water is used for irrigation.the use of recycled water for ecosystem retrieval and In 2019,the amount was 50,890,362.This was anthe transformation of effluents into water suitable for increase of 10.9%. irrigation, etc. Bes tpractices Water reduction: Monitoring leaks in the Czech Republic The implementation of a leak monitor and an In 2020, drinking water leakages online monitoring system, which collects data during distribution to end clients and evaluates the calculated leaks based on remained at the minimum nightly flow rate, enables rapidleak repair which minimises water losses.This monitor provides a global tool for the 12.3% monitoring, assessment and management of leaks in the supply network. It started in 2018 in the supply for Orlová and in 2019 it was extended to all SmVak distribution networks. This network monitoring software provides 110,000 daily data from more than 800 monitoring centres through 1,000 sensors.