News List Opening ceremony of Phase II of Tehran 7th water treatment plant Tehran is the second poorest province in Iran in terms of water resources Eliminating 30% of Tehran water paper bills by the end of this year 30% of Tehran water subscribers' paper bills will be eliminated by the end of this year. Completion of primary and secondary sedimentation tanks in West Tehran Wastewater Treatment Plant 91 million cubic meters wastewater was delivered to Varamin plain of Tehran Province Water supply to resting places in four Iraqi cities Iran in direction of Islamic countries' social responsibility roles in the international event Arbaeen Hosseini, was responsible for the installation and network equipment of resting places and established bath rooms for Arbaeen pilgrims in four Iraqi cities of Najaf, Karbala, Samarra and Kadhimain. Design, manufacture and installation of valve locking chamber of water branches For the first time the valve locking chamber designed, manufactured and installed in Tehran province water and waste water company in order to disconnect in debt customers' water branch. The per capita water consumption in Tehran is double standard in global Drinking water per capita of Tehran subscribers this summer at peak consumption time was more than 300 liters per 24 hours which is double standard in global. The operation of equipment installation of West Tehran wastewater treatment plant After completion of the secondary sedimentation basins' executive operation, the installation of mechanical equipment of the West Tehran Wastewater Treatment Plant was started. More than 96% of Iranian plains are banned or critically banned There are three types of free, banned, and critical banned plains, that unfortunately, few plains in Iran are free. In other words, more than 96 percent of the plains in Iran are banned and critical banned. The Varamin plain of Tehran province is critical banned.