The CEO of the Tehran Sewerage Company announced:

Repairing 10 kilometers of bottlenecks from Tehran's sewer network/ producing 390 million cubic meters of recycled water per year

The CEO of the sewerage company in Tehran announced the removal of about 10 kilometers of disconnection points and bottlenecks in the capital's sewage network since the beginning of the year and said: Sewage treatment plants in Tehran produce a total of 390 million cubic meters of recycled water per year.