April 19, 2023, Inner Mongolia Autonomous Region national key monitoring enterprise monitoring information release platform shows that ** City Drainage Limited Liability Company Total phosphorus in 4.13, 4.14 suspected of exceeding the emission standards. PECC reflected the situation to the local environmental protection bureau through 12369 and microblogging, as shown in the figure below:

June 2, 2023 received feedback from the local environmental protection bureau: the enterprise has been investigated and verified for exceeding the standard, and is instructed to immediately correct the illegal behavior, and is recommended to impose an administrative penalty of RMB 114,000 yuan.