When did the regulations to separate sewage and rainwater begin?

The 35th meeting of the Standing Committee of the 13th People’s Congress of Guangdong Province approved the promulgation of the “Guangzhou Drainage Regulations” (hereinafter referred to as the “Regulations”), which will come into effect on March 1, 2022 . It is clearly stated that rainwater and sewage should be diverted in newly built areas; sewage pipes should be installed on balconies and terraces in accordance with residential design specifications. Conghua rural rivers

The revenue and expenditure of sewage treatment fees should be disclosed to the public. The applicable objects of the "Regulations" include drainage planning within the administrative region of this city, construction, operation and maintenance of drainage and sewage treatment facilities, and drainage to drainage facilities. and sewage treatment, waterlogging prevention and supervision and management activities. Agricultural production drainage, water conservancy drainage and irrigation, and sewage discharge units directly discharge water pollutants into water bodies in accordance with relevant laws and regulations. The "Regulations" clarify that units and individuals have the obligation to drain water and protect drainage and sewage treatment facilities in accordance with the law, and have the right to report and complain about violations of these regulations. The "Regulations" encourage social groups and volunteers to carry out publicity and supervision activities on drainage and protection of drainage and sewage treatment facilities in accordance with the law. Drainage units and individuals shall pay sewage treatment fees in accordance with relevant regulations. The charging standards for sewage treatment fees shall not be lower than the normal operating costs of sewage treatment facilities. If due to special reasons, the sewage treatment fees collected are insufficient to cover the normal operation costs of sewage treatment facilities and the cost of sludge treatment and disposal, subsidies will be provided by the finance department. Sewage treatment fees should be included in the fiscal budget management and be used exclusively for the construction, operation and sludge treatment and disposal of sewage treatment facilities, as well as the collection and handling fees for sewage treatment fees. The collection and use of sewage treatment fees should be disclosed to the public.

The "Regulations" on promoting the construction of rural sewage treatment facilities by category stipulates in terms of planning and construction that the rural domestic sewage treatment work plan should combine the construction of rural domestic sewage treatment facilities with the construction of beautiful countryside and improvement of the rural living environment. We will combine the work with other tasks and advance according to local conditions and classification. Rural areas where urban public drainage and sewage treatment facilities can provide services should be included in the coverage of urban drainage and sewage treatment. Other rural areas should build relatively concentrated rural domestic sewage collection and treatment facilities or resource utilization. In addition, rainwater and sewage should be diverted in newly constructed areas. The areas that have been built to implement the combined flow of rainwater and sewage should carry out rainwater and sewage diversion reconstruction in accordance with the requirements of drainage planning and water environment management; during urban renewal and road construction, rainwater and sewage diversion reconstruction should be coordinated. An independent rainwater drainage system should be installed on the roof surface of the building; sewage pipes should be installed on balconies and terraces in accordance with residential design specifications. In areas where rainwater and sewage are diverted, it is prohibited to mix the sewage pipe network and the rainwater pipe network. If self-use drainage facilities do not implement diversion of rainwater and sewage, drainage units and individuals shall carry out renovations in accordance with relevant technical requirements, and the district water affairs administrative department shall provide technical guidance. Regarding aspects related to sponge city construction, new construction, reconstruction, and expansion construction projects should adopt source reduction and flow control measures such as rainwater retention, utilization, seepage, and purification integration in accordance with the relevant requirements for sponge city construction and flood control and drainage, and give full play to construction, Roads, drainage facilities, green spaces, water systems and other ecosystems absorb, store and slow-release rainwater, reducing rainwater runoff and ensuring that the amount of rainwater runoff after construction does not exceed the amount before construction. The construction of sponge cities should be combined with the city's natural geographical pattern of mountains, rivers, forests, fields, lakes and grasslands, protect the water ecological environment, and gradually improve urban flood control and drainage standards. Yuejiang Road Bidao Rain Garden

Sludge must be resourcefully utilized and harmlessly disposed of. The "Regulations" stipulates in drainage management that drainage units within the coverage of public drainage facilities and Individuals should discharge sewage that meets standards into public drainage facilities in accordance with relevant regulations. Industrial wastewater, medical sewage and other types of sewage discharged into public drainage facilities shall not affect the safe operation of public drainage and sewage treatment facilities. In areas where rainwater and sewage are diverted, drainage units and individuals are not allowed to discharge sewage into the rainwater pipe network. Rainwater or groundwater in the construction site, air-conditioning condensate produced by industrial production, swimming pool water change or maintenance drainage, landscape water body water, and hot spring pool drainage can be discharged to the rainwater pipe network or natural water body in compliance with the standards.

The "Regulations" propose that sludge generated from sewage treatment should be transported to independent sludge incineration disposal facilities, resource thermal power plants, cement plants, coal-fired power plants and other units that meet the requirements for disposal or other resource utilization and harmless treatment methods. Disposal method. Sewage treatment facility maintenance and operation units or sludge treatment and disposal units shall treat and dispose of sludge generated by sewage treatment facilities in accordance with relevant national standards, implement a sludge transfer form system, and determine the destination and purpose of the sludge generated and the sludge after treatment and disposal. , consumption, etc. shall be tracked and recorded, and reported to the local district water affairs administrative department and ecological environment administrative department. If the sludge produced by rural domestic sewage treatment meets relevant standards and specifications after treatment, it can be consumed and utilized in on-site landscaping and other areas. It is prohibited to dump, stack, discard or scatter sludge produced by sewage treatment facilities and sludge after treatment without authorization. Sludge containing excessive amounts of heavy metals or other toxic and harmful substances is prohibited from entering agricultural land. An urban landscape in which humans and water are harmonious

Establish and improve the drainage supervision and inspection system. The "Regulations" stipulate in supervision and inspection that the water administrative department should establish and improve the drainage supervision and inspection system and strengthen the supervision of drainage work. examine. At the same time, we will strengthen the guidance, supervision and management of maintenance and operation units of public drainage and sewage treatment facilities, and provide necessary assistance for them to carry out maintenance and operation activities. The ecological environment administrative department shall supervise and inspect the quality and quantity of effluent from urban sewage treatment facilities; the water administrative department shall supervise and inspect the quality and quantity of effluent from rural domestic sewage treatment facilities. The water administrative department and the ecological environment administrative department should establish a coordination mechanism for sewage treatment supervision and inspection to share inspection information. The municipal and district people's governments shall report on the status of the environment and the completion of environmental protection goals to the people's congress at the same level or its standing committee every year, as well as the status of drainage, sludge treatment and disposal, etc. Text and pictures/Guangzhou Daily·New Flower City reporter Du Juan and correspondent Zhao Xuefeng