On March 13, 2024, on the public platform of key monitoring enterprises' self-monitoring information in Shandong Province, it was shown that Dongping County ** Wastewater Treatment Plant The total discharge outlet COD 3/5-3/6 was suspected to exceed the emission standard. PECC reflected the situation to the local environmental protection bureau via 12369 and Weibo, as detailed in the following chart:

Feedback was received from the local EPA on July 30, 2024: a case was opened and a fine of 240,000 yuan was imposed in accordance with the law.