The key lesson learned from this best practice is that using treated wastewater for park irrigation can save significant amounts of clean drinking water. This approach is particularly valuable in periods of high water scarcity, as the reuse of treated wastewater for non-potable purposes provides a sustainable and effective solution. An additional component of this best practice was the implementation of educational activities for children, which had a significant positive impact on youth by raising their awareness of water conservation and sustainable water management. A one-day water awareness event took place on the 26th of April 2023 at the Park of Spyros Kyprianos. In total, more than 90 students and 5 teachers participated. The students explored the water cycle, and the ways humans alter it and how are they being affected; they discussed non-conventional water resources and played an interactive game that was developed exclusively for the Programme.