The construction of wastewater management facilities in the Bcharre Caza to protect the natural water resources and preserve the environmental state of Wadi Qadisha. The project consisted of preparing detailed design of sewer networks for the entire Bcharre Caza; design of 15 wastewater treatment plants, varying in capacity from 100 m3/day to 5,000 m3/day; environmental impact assessment study of the proposed facilities on the sacred Qadisha valley; effluent re-use, sludge treatment disposal options and re-use.