According to the official data of sewage treatment plant, the three aspects of safe production in sewage treatment plant refer to the synchronous management of safe production, environmental protection and occupational health. In the sewage treatment plant, the main person responsible for the "three simultaneities" of safety production is the factory director or the assistant to the factory director.

The factory director needs to be responsible for formulating and implementing the "three simultaneities" management system and measures for production safety, organizing education and training for production safety, implementing the responsibility system for production safety, strengthening supervision and inspection of production safety, finding and handling accidents and hidden dangers in production safety in time, and ensuring the effective protection of production safety and environmental protection in sewage treatment plants.