Ulaanbaatar, August 19, 2025 – The Ulaanbaatar City Mayor’s Office and the Ulaanbaatar Water Supply and Sewerage Authority (USUG) organized a meeting-discussion on “The Current State of the Central Wastewater Treatment Plant and the Construction of the New Treatment Plant” at the Khangardi Palace on August 19, 2025. The Governor of the Capital City and the Mayor of Ulaanbaatar Kh. Nyambaatar, Head of Ulaanbaatar Water Supply and Sewerage Authority (USUG) Ts. Turkhuu, Millennium Challenge Account-Mongolia (MCA-Mongolia) CEO E. Enkhgerel, and representatives from more than 70 enterprises participated in the meeting.

During the meeting, MCA-Mongolia CEO E. Enkhgerel presented on “Ulaanbaatar Bulk Water Supply Project – Challenges Related to the Industrial Wastewater Pollution.” She emphasized:
“The wastewater discharged to the Central Wastewater Treatment Plant (CWWTP), the effluent supplied from the CWWTP to the Wastewater Recycling Plant (WRP), and the recycled water delivered from the WRP to the Combined Heat and Power Plants must all meet required standards in order to ensure safe and risk-free operation. Therefore, it is essential that factories pretreat their wastewater to meet standards before it enters the CWWTP. Ultimately, industrial wastewater pretreatment crucial for keeping the Tuul River—Ulaanbaatar’s main source of drinking water—clean and healthy.”

Head of USUG Ts. Turkhuu briefed on the current state of the Central Wastewater Treatment Plant and updates on the new Central Treatment Plant construction, underlining the urgent need to reduce pollutant concentrations in wastewater discharged into Ulaanbaatar’s sewerage system.

The Governor of the Capital City and the Mayor of Ulaanbaatar Kh. Nyambaatar instructed that polluting enterprises must be registered, equipped with pretreatment facilities, and required to comply with standards. He added factories that properly treat their wastewater will be supported by the city.