Do enterprises have to apply for pollutant discharge permits?

Not all enterprises need to apply for a pollution discharge permit, but only enterprises that discharge waste gas, waste water, environmental noise pollution and solid waste in the process of production and operation need to apply.

Details are as follows:

(1) discharging atmospheric pollutants into the environment;

(2) Directly or indirectly discharging industrial wastewater, medical wastewater and other wastewater and sewage containing toxic and harmful substances such as heavy metals, radioactive substances and pathogens into water bodies; Urban sewage centralized treatment facilities;

(three) environmental noise pollution caused by the use of fixed equipment in industrial production, or environmental noise pollution caused by the use of fixed equipment in commercial activities in urban noise-sensitive buildings concentrated areas;

(4) Producing industrial solid waste or hazardous waste.