On December 19, 2019, the enterprise self-monitoring platform "Zhongwei XX Sewage Treatment Plant" in Ningxia Hui Autonomous Region discharged ammonia nitrogen pollutants exceeding the standard. Lvse Jiangnan reminded the local environmental protection bureau through 12369 and microblog. See the picture below for details:

On February 21, 2020, we received a reply from the Environmental Protection Bureau: the enterprise is required to rectify within a time limit.