Comprehensive execution from April 2023!The interpretation of "Sanitary Standards for Drinking Water" is here

The General Office of the Ministry of Housing and Urban -Rural Development, the General Office of the National Development and Reform Commission, and the Comprehensive Department of the National Disease Prevention and Control Bureau issued a notice on strengthening the safety of urban water supply safety. From April 1, 2023, urban water supply will be fully implemented. Sanitary Standards (GB 5749-2022); By 2025, establish a relatively complete city water supply system and basic urban water supply emergency system. Promote the transformation of water supply facilities, improve water supply detection and emergency capacity, optimize and improve urban water supply services, and reasonably formulate and dynamically adjust water supply prices. Comprehensive consideration of factors such as the level of local economic and social development and user bearing capacity, and the incomplete price adjustment leads to the difficulty of water supply enterprises to reach the allowable income, the local people's government shall give corresponding compensation.

General Office of the National Development and Reform Commission of the General Office of the Ministry of Housing and Urban -Rural Development

Comprehensive Division of the National Disease Prevention and Control Bureau on Strengthening

Notice of Urban Water Supply Safety Guarantee Work

The Housing and Urban -Rural Development Department of each province and the autonomous region, the development and reform commission, the competent department of illness and control, the municipality's housing, urban and rural construction (management) committees (urban administration bureau), the water affairs bureau, the development and reform commission, the competent department of the disease and control, The Housing and Urban -Rural Development Bureau of the Xinjiang Production and Construction Corps, the Development and Reform Commission, and the competent department of illness and control:

Urban water supply is an important livelihood project, which is related to the health and social stability of the people. In order to further improve the level of urban water supply safety, the relevant matters are notified as follows.

1. Overall requirements

Adhere to the people -centered development ideas, comprehensively and systematically strengthen urban water supply work, promote the high -quality development of urban water supply, continue to enhance water supply safety and guarantee capabilities, and meet the growing needs of the people of the people. Since April 1, 2023, urban water supply has implemented the "Sanitary Standards for Drinking Water" (GB 5749-2022); by 2025, a relatively complete city water supply system and basic urban water supply emergency system will be established.

2. Promote the transformation of water supply facilities

(1) Upgrade and transform water plant technology.

All localities should organize urban water supply enterprises to conduct water plants and reaches the ability of water plants to conduct water plants and reaches the standards of water outlets in accordance with the requirements of the "Drinking Water Sanitation Standards" (GB 5749-2022). Those who need to be transformed should be upgraded in an orderly manner in accordance with national and industry engineering construction standards and health specifications. It is necessary to focus on sensory indicators, disinfection by -product indicators, new indicators, strict value indicators, and potential risk indicators of water source water quality. When material, the relevant departments should be coordinated to adjust the water source or increase the pre -treatment or in -depth treatment process as needed.

(2) Strengthen the construction and transformation of the water supply network.

New water supply pipeline networks must strictly plan and build in accordance with relevant standards and specifications, and adopt advanced applications, reliable quality, and construction technology that meets sanitary norms. The gray -mouth cast iron pipeline, etc., ensure the quality of construction. Prepare the aging of water supply pipelines in the region to update the transformation plan to affect the inferior pipeline that affects the quality of water supply, obstruct the safety of water supply, and leaks seriously, and other pipelines that run for 30 years and have hidden safety hazards. Urban renewal, old community reconstruction, secondary water supply facilities, and "one household and one table" transformation, etc., accelerate the renovation. Implement the leakage control of the public water supply pipe network, and continuously reduce the leakage rate of the water supply pipe network. Further improve the management level of the water supply pipe network, through measures such as partition measurement, pressure regulation, optimization scheduling, and intelligent management to achieve the safety, low consumption, and energy saving operation of the water supply network system, and meet the user's water volume, water pressure, and water quality requirements.

(3) Promote the overall management of residents' increased storage facilities.

All localities should comprehensively investigate the water supply and storage facilities of residential communities, find out basic situations such as water supply scale, water supply method, water quality guarantee level, service population, and maintenance subject, and establish an information update mechanism. Encourage new residential residential housing to build a monitoring facility such as water quality indicators such as disinfection agent and turbidity, and coordinate the layout of disinfection facilities. If the pressure and storage facilities do not meet the standards of health and engineering construction, the implementation of updates shall be accelerated, and measures such as anti -flooding and anti -interruption shall be implemented. Explore an emergency water supply interface to install external pressure equipment such as water supply vehicles such as water supply vehicles on the water pipes of building communities and buildings. Further rationalize the management mechanism of residents' water supply and pressure storage facilities, and encourage the transfer of water supply enterprises in accordance with laws and regulations to implement professional operation and maintenance. Pressure and storage facilities that are responsible for the operation management of water supply enterprises are included in the water supply price, and the cost of operation, maintenance, repair and update, and continue to execute the price of living electricity for residents. If there is no conditions for transfer, the competent department of urban water supply and disease prevention and control shall guide and supervise the operation and maintenance of facilities in accordance with regulations in accordance with the provisions.

3. Improve water supply detection and emergency capacity

(4) Strengthen the testing of water supply.

The competent departments of disease prevention and control in various places shall formulate and organize the implementation of the work plan of local life drinking water health supervision and monitoring in accordance with the Measures for the Supervision and Administration of Drinking Water Health and Hygiene. The sanitary management of centralized water supply and secondary water supply in the urban area and the quality of water supply, the assessment of water supply and safety risks, timely discovery hidden dangers, and preventing health and safety risks. Urban water supply authorities shall strengthen the construction of urban water supply monitoring capacity in accordance with the "Regulations on the Management of Urban Water Supply and Water Quality Management", establish and improve the system of water quality supervision and inspection of urban water supply, and organize the full coverage inspection of factory water, pipeline network water, secondary water quality indicators of water quality indicators Essence Do a good job in the connection between the national random supervision and random inspections and local daily supervision. Urban water supply enterprises shall be scientifically configured scientific configuration of water supply laboratory detection capabilities in accordance with the "technical specifications of urban water supply and sewage treatment processes" (CJJ/T 182). When the processing scale is greater than 100,000 cubic meters per day, The laboratory level should be improved. Urban water supply enterprises and pressure -storage facility management units shall establish a sound water quality testing system, and in accordance with the "Code of Water -Supplemental Engineering Project" (GB 55026), the "CIT Water Quality Standards" (CJ/T 206) The requirements of standard methods, regularly detect the water quality of urban water, factory water, and pipelines. Further improve the online monitoring system of water supply, reasonably layout monitoring points, scientifically determine monitoring indicators, and strengthen the operation and maintenance of online monitoring equipment. (5) Strengthen the construction of water supply emergency capacity.

All localities should combine the new situation, new problems, and new challenges facing urban water supply in recent years, improve the emergency plan of water supply, and further clarify the water supply emergency response mechanism under different risks such as the sudden pollution of water sources and the risks of drought and flooding. Strengthen the monitoring and early warning of water supply and water supply, and judge potential characteristic pollutants for water source risks, urge water supply enterprises to strengthen relevant emergency water purification materials and water purification technology reserves, and improve the emergency water purification process operation plan. A single water source city water supply department shall actively coordinate and cooperate with relevant departments to speed up the construction of emergency water sources or spare water sources. The province and cities where the national water supply emergency rescue base is located shall establish a daily maintenance system for emergency water purification equipment, implement operating maintenance funds, and continuously improve the emergency rescue capacity of water supply.

(6) Strengthen the safety prevention of water supply facilities.

Water supply enterprises and pressure -storage facility management units must conduct comprehensive investigation and rectification of hidden safety hazards, coordinate the prevention and control and production safety of epidemic conditions, and strive to improve the ability to respond to emergencies and natural disasters in water supply facilities, and enhance the toughness of the water supply system. For cities with groundwater sources, during the flood season and epidemic period, the hygiene status and safety hazards of the water source well will be conducted regularly or irregularly to prevent the rainwater from flooding and the water quality testing facilities. In accordance with the relevant requirements of the anti -terrorist prevention system of the urban water supply system, strengthen the safety management of water supply facilities, and comprehensively adopt safety prevention measures such as civil defense, technical defense, physical defense, and physical defense for key targets such as water supply, water plants, and pumping stations, and establish a comprehensive. Improve the management system for water supply safety prevention.

4. Optimize and improve urban water supply services

(7) Promote the management level of intelligent water supply.

All localities should continue to improve the level of water supply supervision, promote the construction of urban and provincial water supply supervision platforms and information sharing, timely and accurately grasp key information such as urban water sources, water supply facilities, and water supply quality, and provide business support for urban water supply supervision. Promote the census such as water supply pipelines, improve the dynamic update mechanism of information, and update the information base map of water supply facilities in real time. Guide water supply enterprises to strengthen the intelligent transformation of water supply facilities, encourage conditions with conditions to combine updates and build intelligent sensitivity equipment, build urban water supply Internet of Things and operating dispatch platforms, realize dynamic updates, real -time monitoring of operating status, and risk scenario simulation predictions of risk scenarios. , Optimize the functions of scheduling assistance support, and continuously improve the fine level of water supply facilities.

(8) Promote the disclosure of water supply information.

All localities should strengthen the supervision and management and guidance of information disclosure of water supply enterprises and institutions, and standardize information disclosure. Urban water supply units shall formulate implementation rules for the formulation of implementation of implementation rules The list method is refined and clearly lists the time limit requirements of information content, and dynamically adjusted according to the actual situation. Continue to improve the efficiency and quality of water supply services, innovate service methods, formulate a simple and standardized water supply service process according to local conditions under the premise of ensuring water supply safety, clarify service standards and time limit, and optimize the business environment.

5. Improve guarantee measures

(9) Implementation of detailed responsibilities.

The competent authorities of water supply and disease prevention and control at all levels must deepen departmental cooperation, strengthen information sharing, and jointly ensure water supply safety. Discover problems, carefully rectify the implementation; the competent department of disease prevention and control shall further strengthen the supervision and monitoring of drinking water hygiene sanitation in accordance with the law, and continue to carry out the supervision and inspection of drinking water hygiene and safety. Products involving drinking water hygiene and safety shall obtain health permits according to law. Implement the responsibility of the city's people's government's water supply safety subject, in accordance with the requirements of the water pollution prevention and control law and the "Urban Water Supply Regulations", "Measures for the Supervision and Management of Drinking Water Health Supervision", etc. Coordinating and formulating implementation plans for medium and long term. Urban water supply enterprises should continuously improve internal control control, promote the construction, transformation and operation and maintenance of urban water supply facilities, and ensure the safety and stable operation of the water supply system. (10) Strengthening factor protection.

All localities should increase investment, accelerate the construction of water supply infrastructure, support and urge water supply enterprises to coordinate and integrate relevant channel funds, and ensure the construction, renovation, and operation and maintenance funds of the water supply pipeline network. It is necessary to increase the training of personnel in water plant operation, water quality testing, pipeline network operation and maintenance, enterprise operation management and other personnel to improve the professional ability of employees. The price authorities of various localities should formulate and dynamically adjust the water supply price in accordance with the relevant requirements of the "Administrative Measures for the Management of Water Supply Price" and "Urban Water Supply Price Price Administration" and other relevant requirements. Comprehensive consideration of factors such as the level of local economic and social development and user bearing capacity, and the incomplete price adjustment leads to the difficulty of water supply enterprises to reach the allowable income, the local people's government shall give corresponding compensation.

The General Office of the Ministry of Housing and Urban -Rural Development

General Office of the National Development and Reform Commission

Comprehensive Division of the National Disease Prevention and Control Bureau

August 30, 2022

New version of "Sanitary Standards for Drinking Water" -Interpretation

new standard

The "Life Drinking Water Sanitation Standards" is reported and implemented by the National Health Commission, and the competent authority is the National Health and Health Commission. From the inquiry of the National Standard Information Service Platform, the standard number of the newly released "Sanitary Standards for Drinking Water" is: GB5749-2022, the release date is March 15, 2022, and the implementation date is April 1, 2023. In other words, the current "Sanitary Standards for Drinking Water" GB 5749-2006 will be abolished after 16 years of revision.

common sense

The sanitary standard of drinking water in life is a variety of factors (physics, chemistry, and biology) that protects the people's health and ensure the quality of human life, and The provisions of the relevant behavioral specifications made by the value are approved by the relevant state departments, and the statutory health standards issued in a certain form.

The hygiene standards for drinking water can include two parts: the statutory quantity limit, which refers to the statutory limit of various harmful factors in drinking water in life and drinking water without affecting the health of the crowd and the quality of life; In order to ensure the statutory standards of the various aspects of the centralized water supply units in order to ensure the statute of the various indicators of drinking water in life.

Keywords: All substitution

"Life Drinking Water Sanitation Standards" GB 5749-2022 will replace all GB 5749-2006 as a hygiene standard for water use. The release date is March 15, 2022, and the implementation date is April 1, 2023.

"Life Drinking Water Sanitation Standards" GB 5749-2022 will replace all GB 5749-2006 as a hygiene standard for water use. The release date is March 15, 2022, and the implementation date is April 1, 2023.

Keywords: three more

"Life Drinking Water Sanitation Standards" GB 5749-2022 Drafing units add a lot of authoritative institutions compared to GB 5749-2006.

The drafting unit of the GB 5749-2022 standard has added 18 plus professional units on the basis of the original China Disease Prevention and Control Center Environment and Health related products. Essence

Screenshot of the National Standard Information Public Service Platform

Standard announcement

Although the arrival of the new standard bid farewell to the original standard, it means that the country attaches great importance to the quality of life of residents. Of course, only strictly controlling living water can ensure the safety of water use of residents and ensure the healthy development of the people's life.

Main revision content

Adjust the name of the indicator classification

Delete the small centralized water supply of rural areas

Special requirements for decentralized water supply

City is consistent with the countryside

The temporary provisions of small centralized water supply and decentralized water supply parts and limited values ​​have been canceled. Do not list separate listing requirements for small water supply in rural areas. Relax with the instructions.

4 new indicators

Delete 2 indicators

Delete the heat -resistant colon flora and the total solid solid solid

There are 12 indicators to adjust to the survey project

(Appendix A)

Acetaldehyde (relaxed from 0.01mg/L to 0.1 mg/L), sulfide, six six six (total amount), sulfur sulfur, alba -to -albumin, Lin Dan, drop nose, formaldehyde, 1,1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,11,1-trichloroethane, 1,2-dichloropine, ethylene, chlorine chloride; modify oxygen consumption, odor and flavor, ammonia nitrogen

3 indicators name

Modify the limit of 8 indicators

(Source: Xiaoxiang Morning Post, the official website of the Ministry of CCTV News Housing and Urban -Rural Development)

【Edit: Zhang Jing】

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