Now, due to atmospheric pollution, resulting in global warming, climate anomalies have also brought many natural disasters, so now people recognize the importance of environmental protection, the state has also strengthened environmental governance. Then Shanghai sewage license for how to consult, small compilation of relevant legal knowledge, for your study reference. First, the Shanghai sewage license for how to consult the Shanghai sewage license can be consulted by phone, consulting telephone (021) 22061507, (021) 23115621, (021) 12345 Second, the Shanghai sewage license for the legal basis for the 1, "the Chinese People's *** and the State Environmental Protection Law," Article 45 of the implementation of the sewage discharge permit management of enterprises and institutions and other Enterprises, institutions and other production and operation shall discharge pollutants in accordance with the requirements of the sewage discharge permit; not obtain a sewage discharge permit, shall not discharge pollutants. 2, "Shanghai Municipal Environmental Protection Regulations" Article 33 of the city in accordance with the implementation of the sewage discharge permit system. Fixed pollution source units shall, in accordance with the provisions of the state and the city, to the city or district environmental protection department to apply for a sewage discharge permit. 3、The Law of the People's Republic of China on the Prevention and Control of Air Pollution (2018 Amendment): Article 19 Enterprises and institutions emitting industrial waste gases or toxic and harmful air pollutants listed in the list provided for in Article 78 of this Law, production and operation units of coal-fired heat sources of centralized heat-supply facilities, as well as other units implementing the management of sewage discharge permits in accordance with the law, shall obtain sewage discharge permits. The specific methods and implementation steps of the sewage discharge permit shall be prescribed by the State Council. 4, "Chinese People's *** and State Water Pollution Prevention and Control Law (2016 Amendment)" directly or indirectly to the water discharge of industrial wastewater and medical sewage, and other in accordance with the provisions of the regulations should be to obtain a sewage discharge permit can be discharged wastewater, sewage, enterprises and institutions and other producers and operators shall obtain a sewage discharge permit; centralized urban wastewater treatment facilities, the operation of the unit, it should also be to obtain sewage discharge permits. Sewage discharge permit shall specify the type of water pollutants discharged, concentration, total volume and discharge direction and other requirements. Sewage discharge permit specific measures prescribed by the State Council. Prohibit enterprises, institutions and other production and operation without a sewage discharge permit or in violation of the provisions of the sewage discharge permit to the water body to discharge wastewater, sewage, as stipulated in the preceding paragraph. Comprehensive introduction to the above, the Shanghai Municipality of large and small enterprises, for these enterprises, the Shanghai market environmental protection department has strengthened the governance of corporate sewage, according to law for the enterprise sewage license. If there are still legal issues about this, please consult a lawyer, they will provide you with professional answers.