On September 3, 2019, the "Ningyang XX Sewage Treatment Plant", an enterprise self-monitoring platform in Shandong Province, discharged excessive total nitrogen pollutants. Lvse Jiangnan reminded the local environmental protection bureau of the situation through 12369 and microblog. See the picture below for details:

On October 12, 2019, the reply from the Environmental Protection Bureau was received: the upstream enterprises were punished and ordered to make rectification.