Nei Mongol
元宝山区 ᠶᠤᠸᠠᠨ ᠪᠣᠣ ᠱᠠᠨ, 内蒙古自治区 ᠦᠪᠦᠷ ᠮᠣᠩᠭᠤᠯ ᠤᠨ ᠥᠪᠡᠷᠲᠡᠭᠡᠨ ᠵᠠᠰᠠᠬᠣ ᠣᠷᠣᠨ
Nei Mongol wastewater treatment plant serves Yuanbaoshan district in Chifeng, Inner Mongolia, China, with a population equivalent of 60,000. It operates under China's national wastewater discharge standards.