Tiêu chuẩn nước sinh hoạt là gì?

Water is associated with human life, but now they are increasingly polluted due to different causes. So how to know it is a guaranteed water source? Follow the following article of Vietchem to refer to your living water standards.

I. What is domestic water?

Domestic water is water used to serve daily needs such as bathing, washing, washing, cooking, … but often not used to drink directly but must boil, boil.

What is domestic water

II. Types of popular domestic water sources

1. Groundwater or well water, excavated wells

• Water wells: This is a type of water deep in the ground and thanks to human activities from the ground to groundwater sources (created by water from the ground to the ground and must go through hundreds of new. formation) that it is put into use. However, this source often contains difficult elements to control, the quality depends on each drilling water circuit.
• Dao well water: Similar to the well water but instead of being drilled, people will dig up the soil and more shallow depth.

2. Rain water

• Many households, especially in rural areas, often store rainwater to serve daily living needs. But with pollution is the current hot issue, especially the phenomenon of acid rain, the quality of this water source is not guaranteed.

Some places have used rainwater as a domestic water source

>>> See more:What is molarity? How to calculate and some exercises with solutions

3. Treated tap water of the water plant

• Often used in city areas, some suburban and small provinces.
• The water is a groundwater that is passed through a factory treatment system, which is usually rough through sedimentation and iron, disinfectant to supply to households.
• This water source often has quality testing, ensuring the meeting of domestic water standards as prescribed by the Ministry of Health.

III. Current situation of domestic water source

• The problem of pollution is serious, causing the current water source of water to be threatened, many parts of the world often occur in shortage, scarcity of clean water, especially dry areas and sunny weather. Extended hot.
• In some places, the phenomenon of daily -life water is contaminated with alum, saline and in its composition, there are many dangerous pathogens, especially diseases related to the gastrointestinal, respiratory, skin and eye, …
• One of the main reasons for this situation is the economic development of industrial parks, export processing, … discharging unprocessed wastewater into rivers and lakes. Besides, there are indiscriminate littering activities, not planned by the people.

Many water sources are polluted, leading to shortage of domestic water

IV. Some regulations issued by the Ministry of Health on domestic water standards

1. The role of domestic water standard

• According to QCVN, daily -life QCVN 02: 2009/BYT, the standard of water quality is a regulation on the limit of the criteria for evaluating the quality of water used for normal activities, this standard does not include use for use for use Drink directly, process food at processing facilities.
• Based on them, the authorities can evaluate and check the quality of the water source and the basis determine the standards in building plants and water supply stations.
• In addition, the latest standard of domestic wastewater is also the basis for consumers to check and evaluate the quality of the water source that the family is using in daily activities.

2. Some daily -life water standards issued by the Ministry of Health

2.1. Standard QCVN 02: 2009/BYT

• This is the standard of domestic water applied to water used in normal living activities and at food processing facilities for processing.
• Subjects of application: Agencies, organizations, individuals and households exploiting and trading this product. It includes concentrated water supply facilities for living purposes (with a capacity of 1000 m3/ day and night)

2.2. Standard QCVN 01: 2009/BYT

• Application: Water used for dining purposes, cooking
• Subjects of application: For individual organizations, households exploiting and trading food and drink. In particular, including centralized water supply facilities for living purposes (with a capacity of 1000 m3/ day and night)

2.3. Vietnam’s water supply standard 6-1: 2010/BYT

• Application: Source of water used for direct drinking. Specifically, the latest water supply standard QCVN 01: 2009/BYT has been prescribed for the city factory water source (including 109 targets).
• In addition, Circular 41/2018/TT-BYT is also issued to supplement water quality monitoring standards for living purposes.

Daily -life water standards as a basis for evaluating and checking water quality

V. Find out the criteria for evaluating the quality of domestic water

Some indicators are specified in the table limit quality targets according to QCVN 01: 2009/BYT such as:

Vi. Measures to keep the water source meeting the standard of domestic water

For polluted water sources, not ensuring daily -life water standards, users can use water filtration systems to help filter harmful impurities.

For standard water sources but there may still be the risk of re -infection because they are left in the environment for a long time or stored in the underground water surfaces that are prone to toxic infections and adversely affect good effects. User health. Therefore, we need to note:

1. Environmental sanitation

• Do not throw rubbish indiscriminately, especially the areas of ponds, rivers and streams. Need to collect and classify waste in accordance with regulations.
• Do not wash food, wash rice and wash with lake water.
• Regularly hygienic inside and the area around houses, cleaning barns, residential areas, collecting and treating waste, and killing flies, mosquitoes, cockroaches, mice at home as well as in public places
• For people in flood areas, after the sprint needs to quickly disinfect with specialized chemicals according to safety instructions, to prevent epidemics. Do not smash the water pipeline, avoid the cause of infectious infectious into domestic water.

2. Body hygiene

• Need to wash hands with soap before eating and after going to the toilet, regularly preserving personal hygiene, contributing to preventing water pollution.

3. Keep clean well water

• The location of the drilling well, digging must be far from the toilet, the discharge system, the treatment of wastewater from 10m or more and has a high building, tight lids.
• Do not let factors easily polluted such as chemicals, detergents, lubricants and plant protection drugs, … near the well area.
• The tiled well or cement yard must have a sewer with a moderate slope, leading to or leading to wastewater permeability holes. Regular hygiene to avoid slippery.
• It is possible to clean the water source with rain rigs, filter tanks.

How to keep domestic water always standard

Above are some of the Ministry of Health’s daily -life water standards that EGroup Chemicals has summarized, hoping that through the article, readers have an overview of this issue and keep the water source always standard and guarantee. Health for yourself and those around you. Visit egroup.edu.vn to read more useful information.

Chuyên mục: Hóa chất
Nguồn: EGroup Chemicals

Nguyễn Lân Dũng

Giáo sư Nguyễn Lân Dũng là nhà khoa học hàng đầu Việt Nam trong lĩnh vực vi sinh vật học (wiki), với hơn nửa thế kỷ cống hiến cho giáo dục và nghiên cứu. Ông là con trai Nhà giáo Nhân dân Nguyễn Lân, thuộc gia đình nổi tiếng hiếu học. Giáo sư giữ nhiều vai trò quan trọng như Chủ tịch Hội các ngành Sinh học Việt Nam, Đại biểu Quốc hội và đã được phong tặng danh hiệu Nhà giáo Nhân dân năm 2010.