Branches The total number of sewage branches in the city of Sirjan is about 35 thousand branches, of which 10 thousand branches are in the process of installation. According to the plan, 5 urban areas have been selected for the installation of branches, which include 10,000 branches and 17 thousand and 500 subscribers with an approximate population of 47 thousand people. According to statistics, about 14,000 subscribers are single-unit and multi-unit, and includes 3,500 subscribers of the complexes.