On September 19, 2019, the "XX sewage treatment plant", an enterprise self-monitoring platform in Shanxi 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 November 25, 2019, we received a reply from the Environmental Protection Bureau: it has been investigated and dealt with. At present, the online data has reached the standard stably.