IntroductionNowadays, environmental attention has improved due to climate change and loss of water resources. Compared to other countries in the Middle East, Lebanon has a relatively optimistic stance regarding water sources, but it is also expected to face water shortages over the next few years. Next 10 to 15 years. Therefore, improving the control of water sources is fundamentally essential. There is still a lack of a water source control plan, and there is no comprehensive environmental law to ensure the safety of water sources. Due to these circumstances, an analysis of water demand, including fire demand, was carried out for the current period and for the next 30 years.A - Study site and data collected:1) General description of Barsa: “Barsa”, the name of the Lebanese city is derived from the Aramaic language and this name means “the place of irrigation”. The ancient remains of Barsa include sarcophagi and carved stones, while the modern remains of Barsa include sarcophagi and carved stones. the remains include the remains of the Mustapha Barbar Agha citadel, built on the ruins of an older citadel. This town is recognized by green fields and olive trees and overlooks the bay of El Mina and the mountains of Ehden and Bcharré. This region is also bordered by important areas of North Lebanon such as Tripoli, Zgharta, Chekka. Barsa has a landscape renowned for its beautiful views of snow-capped mountains and the sea. In addition, Barsa faces serious problems in the defense of its environment due to the disorganization of well drilling acts and the lack of monitoring systems. drainage and wastewater treatment. Although a small town, Barsa is home to a vital educational institution that has become more than well known throughout Lebanon and the world which is the University of Notre Dame (North Cam...... middle of paper ......tion = 2x2,000 L/day/station=4,000 L/dayCommercial stores = 150x150 L/day/store =22,500 L/dayTotal consumption: After determining the contribution of each aspect, we added all consumption as follows (2,364,040+274,500+62,320+35,000+4,000+22,500+10906) =2,773,266 L/day = 2,774 m3/dConclusionThis city like any other Another. small town has a certain demand for water throughout the year Water is a need that cannot be ignored This town has a water supply that comes from a reservoir but this reservoir is not adequate. current and projected demand must be designed and implemented to meet the growing demand of the city. Water is not just a resource, it is a source of life. We all share the obligation to ensure a healthy, safe and sustainable water supply for our communities, our environment, our economy and our quality of life depends on it..