Decision No. 1329/2002/QÐ-BYT on Issuing Sanitary Standards for Drinking Water

✦ 智能摘要

This Decision issues Sanitary Standards for Drinking Water applicable to water plants, water supply facilities, and food production establishments. It specifies sensory, chemical, microbiological criteria and monitoring levels.

适用范围

Water plants, drinking water supply facilities, food production establishments.

要点

Water plants, water supply facilities → must ensure sensory and chemical criteria (color, taste, turbidity, pH, hardness, TDS, heavy metals, chloride, chromium, copper, ammonia, fluoride, nitrate, nitrite, zinc, lead, manganese, mercury, selenium, sulfate, organic compounds, plant protection chemicals, residual chlorine, bromate, chlorite) → according to monitoring level A (regular testing), B (periodic testing), or C (testing upon request).
Water plants, water supply facilities → take two samples/month for populations under 100,000 people and one sample/100,000 people + ten additional samples for populations over 100,000 people.
Water plants, water supply facilities → must test microbiological criteria (total coliforms, E.coli) according to level A.
Chemical and microbiological criteria have specific threshold limits set forth in this Decision.
Monitoring water quality will help ensure food safety.

🌐 本文件的社会影响

Positive: Reduces risk of illness from unsafe consumption, improves public health.
Negative: Increases costs for water plants and water supply facilities to meet new water quality standards.

❓ 常见问题

What sensory and chemical criteria must water plants regularly check?

Water plants must regularly check sensory and chemical criteria (color, taste, turbidity, pH, hardness, TDS) according to level A (regular testing).

How many chemical criteria need to be checked?

Thirty-two chemical criteria need to be checked, including heavy metals, chloride, chromium, copper, ammonia, fluoride, nitrate, nitrite, zinc, lead, manganese, mercury, selenium, sulfate, organic compounds, plant protection chemicals, residual chlorine, bromate, chlorite.

How often must water plants take samples?

For populations under 100,000 people, water plants must take two samples/month; for populations over 100,000 people, one sample/100,000 people + ten additional samples.

Which microbiological criteria need to be checked?

Total coliforms and E.coli must be tested according to level A (regular testing).

What penalties apply if water plants do not comply?

Information on penalties is not provided in this document.

全文

Pursuant to …;

On issuing hygiene standards for drinking water

___________________

THE MINISTER OF HEALTH

Pursuant to the Law on Health Care for the People.

Pursuant to the Government Decree No. 68/CP dated October 11, 1993, stipulating the functions, tasks, authorities, and organizational structure of the Ministry of Health.

At the proposal of the Director of the Preventive Medicine Department of the Ministry of Health.

Pursuant to …;

Article 1: This Decision promulgates the Hygiene Standards for Drinking Water.

Article 2: This Decision shall take effect fifteen days from the date of issuance. It abolishes the previous Hygiene Standards for Drinking Water and Domestic Water concerning physical and chemical aspects and the Hygiene Standards for Drinking Water and Domestic Water regarding bacterial and biological aspects as stipulated in Decision No. 505/BYTT-QĐ dated April 13, 1992 of the Minister of Health on issuing temporary hygiene standards.

Article 3: The Director of the Preventive Medicine Department is responsible for organizing and directing the implementation of this Decision.

Article 4: The Heads of the Office, Inspectorate, Preventive Medicine Department - Ministry of Health, Heads of subordinate units under the Ministry of Health, Directors of Provincial Health Departments directly under the Central Government are responsible for enforcing this Decision.

DRINKING WATER HYGIENE STANDARDS
(Annexed to Decision No. 1329/2002/BYT-QĐ dated April 18, 2002 of the Minister of Health)

A. Definitions:

Drinking water referred to in these standards includes water used for consumption, food preparation, and water supplied by urban water plants for consumption and domestic use. Sensory criteria are those affecting the sensory characteristics of water, causing discomfort to users when exceeding the threshold limit.

Sensory criteria are those criteria that affect the sensory characteristics of water, when exceeding the threshold limit causing discomfort to water users.

B. Scope:

Water for drinking, water for production and processing of food, piped water supplied from urban water plants, and piped water supplied from centralized water supply stations serving 500 people or more.

C. Applicability:

Water treatment plants, water supply facilities for consumption and domestic use, food production and processing establishments.

It is encouraged that small-scale centralized water supply stations serving less than 500 people and individual domestic water sources apply these standards.

D. Standard Table:

Serial number	Name of Index	Unit of Measurement	Maximum Limit	Testing method	Monitoring Frequency
I	Sensory Criteria and Inorganic Components
1.	Color (a)	TCU	15	TCVN 6185-1996 (ISO 7887-1985)	A
2.	Taste and Odor (a)		No detectable odor, Unusual taste	Sensory	A
3.	Turbidity (a)	NTU	2	(ISO 7027-1990) TCVN 6184-1996	A
4.	pH ^{Terrestrial Mobile Radio Equipment with Detachable Antennas Used for Analog Voice Communication}		6,5-8,5	AOAC or SMEWW	A
5.	Hardness (a)	- Column B of Table 1 specifies the values	300	TCVN 6224-1996	A
6.	Total Dissolved Solids (TDS) ^{Terrestrial Mobile Radio Equipment with Detachable Antennas Used for Analog Voice Communication}	- Column B of Table 1 specifies the values	1000	TCVN 6053-1995 (ISO 9696-1992)	B
7.	Aluminum Content (a)	- Column B of Table 1 specifies the values	0,2	ISO 12020-1997	B
8.	Ammonia Content, Calculated as NH4+	- Column B of Table 1 specifies the values	1,5	TCVN 5988-1995 (ISO 5664-1984)	B
9.	Antimony Content	- Column B of Table 1 specifies the values	0,005	AOAC or SMEWW	C
10.	Arsenic Content	- Column B of Table 1 specifies the values	0,01	TCVN 6182-1996 (ISO 6595-1982)	B
11.	Barium Content	- Column B of Table 1 specifies the values	0,7	AOAC or SMEWW	C
12.	Boron Content, Including Borates and Boric Acid	- Column B of Table 1 specifies the values	0,3	ISO 9390-1990	C
13.	Cadmium Content	- Column B of Table 1 specifies the values	0,003	TCVN 6197-1996 (ISO 5961-1994)	C
14.	Chloride Content (a)	- Column B of Table 1 specifies the values	250	TCVN 6194-1996 (ISO 9297-1989)	A
15.	Chromium Content	- Column B of Table 1 specifies the values	0,05	TCVN 6222-1996 (ISO 9174-1990)	C
16.	Copper Content (Cu) ^{Terrestrial Mobile Radio Equipment with Detachable Antennas Used for Analog Voice Communication}	- Column B of Table 1 specifies the values	2	(ISO 8288-1986) TCVN 6193-1996	C
17.	Cyanide Content	- Column B of Table 1 specifies the values	0,07	TCVN 6181-1996 (ISO 6703/1-1984)	C
18.	Fluoride Content	- Column B of Table 1 specifies the values	0,7 – 1,5	TCVN 6195-1996 (ISO 10359/1-1992)	B
19.	Hydrogen Sulfide Content ^{Terrestrial Mobile Radio Equipment with Detachable Antennas Used for Analog Voice Communication}	- Column B of Table 1 specifies the values	0,05	ISO 10530-1992	B
20.	Iron Content (a)	- Column B of Table 1 specifies the values	0,5	TCVN 6177-1996 (ISO 6332-1988)	A
21.	Lead Content	- Column B of Table 1 specifies the values	0,01	TCVN 6193-1996 (ISO 8286-1986)	B
22.	Manganese Content	- Column B of Table 1 specifies the values	0,5	TCVN 6002-1995 (ISO 6333-1986)	A
23.	Mercury Content	- Column B of Table 1 specifies the values	0,001	TCVN 5991-1995 (ISO 5666/1-1983, ISO 5666/3-1983)	B
24.	Molybdenum Content	- Column B of Table 1 specifies the values	0,07	AOAC or SMEWW	C
25.	Nickel Content	- Column B of Table 1 specifies the values	0,02	TCVN 6180-1996 (ISO 8288-1986)	C
26	Nitrate Content	- Column B of Table 1 specifies the values	50 ^(b)	TCVN 6180-1996 (ISO 7890-1988)	A
27.	Nitrite Content	- Column B of Table 1 specifies the values	3 ^(b)	TCVN 6178-1996 (ISO 6777-1984)	A
28.	Selenium Content	- Column B of Table 1 specifies the values	0,01	TCVN 6183-1996 (ISO 9964-1-1993)	C
29.	Sodium Content	- Column B of Table 1 specifies the values	200	TCVN 6196-1996 (ISO 9964/1-1993)	B
30.	Sulfate Content (a)	- Column B of Table 1 specifies the values	250	TCVN 6200-1996 (ISO 9280-1990)	A
31.	Zinc Content (a)	- Column B of Table 1 specifies the values	3	TCVN 6193-1996 (ISO 8288-1989)	C
32.	Oxidation Degree	- Column B of Table 1 specifies the values	2	Potassium Permanganate Titration	A

III. Organic Compound Content
a. Chlorinated Alkanes Group
33.	Carbon Tetrachloride		- Column B of Table 1 specifies the values	2	AOAC or SMEWW	C
. 34.	Dichloromethane		- Column B of Table 1 specifies the values	20	AOAC or SMEWW	C
. 35.	1,2-Dichloroethane		- Column B of Table 1 specifies the values	30	AOAC or SMEWW	C
. 36.	1,1,1-Trichloroethane		- Column B of Table 1 specifies the values	2000	AOAC or SMEWW	C
37.	Vinyl Chloride		- Column B of Table 1 specifies the values	5	AOAC or SMEWW	C
. 38.	1,2-Dichloroethylene		- Column B of Table 1 specifies the values	50	AOAC or SMEWW	C
. 39.	Trichloroethylene		- Column B of Table 1 specifies the values	70	AOAC or SMEWW	C
. 40.	Tetrachloroethylene		- Column B of Table 1 specifies the values	40	AOAC or SMEWW	C
*c. Aromatic Hydrocarbons*
. 41.	Benzene		- Column B of Table 1 specifies the values	10	AOAC or SMEWW	B
. 42.	Toluene		mg	700	AOAC or SMEWW	B
. 43.	Xylene		- Column B of Table 1 specifies the values	500	AOAC or SMEWW	B
. 44.	Ethylbenzene		mg	300	AOAC or SMEWW	C
. 45.	Styrene		mg	20	AOAC or SMEWW	C
. 46.	Benzo(a)pyrene		mg	0,7	AOAC or SMEWW	B
*d. Chlorinated Benzenes Group*
. 47.	Monochlorobenzene		- Column B of Table 1 specifies the values	300	AOAC or SMEWW	B
. 48.	1,2-Dichlorobenzene		- Column B of Table 1 specifies the values	1000	AOAC or SMEWW	C
. 49.	1,4-Dichlorobenzene		- Column B of Table 1 specifies the values	300	AOAC or SMEWW	C
. 50.	Trichlorobenzene		- Column B of Table 1 specifies the values	20	AOAC or SMEWW	C
*e. Complex Organic Compounds Group*
. 51.	Di(2-Ethylhexyl) Adipate		mg/L	80	AOAC or SMEWW	C
. 52.	Di(2-Ethylhexyl) Phthalate		- Column B of Table 1 specifies the values	8	AOAC or SMEWW	C
. 53.	Acrylamide		- Column B of Table 1 specifies the values	0,5	AOAC or SMEWW	C
. 54.	Epichlorohydrin		- Column B of Table 1 specifies the values	0,4	AOAC or SMEWW	C
. 55.	Hexachlorobutadiene		- Column B of Table 1 specifies the values	0,6	AOAC or SMEWW	C
. 56.	EDTA Acid		- Column B of Table 1 specifies the values	200	AOAC or SMEWW	C
. 57.	Nitrilotriacetic Acid		- Column B of Table 1 specifies the values	200	AOAC or SMEWW	C
. 58.	Tributyl Oxide		- Column B of Table 1 specifies the values	2	AOAC or SMEWW	C
IV. Pesticides
. 59.	Alachlor		- Column B of Table 1 specifies the values	20	AOAC or SMEWW	C
. 60.	Aldicarb		- Column B of Table 1 specifies the values	10	AOAC or SMEWW	C
. 61.	Aldrin/Dieldrin		- Column B of Table 1 specifies the values	0,03	AOAC or SMEWW	B
. 62.	Atrazine		- Column B of Table 1 specifies the values	2	AOAC or SMEWW	C
. 63.	Bentazon		- Column B of Table 1 specifies the values	30	AOAC or SMEWW	C
. 64.	Romance 33WP, 36WP		- Column B of Table 1 specifies the values	5	AOAC or SMEWW	B
. 65.	Chlordane		- Column B of Table 1 specifies the values	0,2	AOAC or SMEWW	C
. 66.	Chlorotoluron		- Column B of Table 1 specifies the values	30	AOAC or SMEWW	C
. 67.	DDT		- Column B of Table 1 specifies the values	2	AOAC or SMEWW	B
. 68.	1,2-Dibromo-3-Chloropropane		- Column B of Table 1 specifies the values	1	AOAC or SMEWW	C
. 69.	2,4-D		- Column B of Table 1 specifies the values	30	AOAC or SMEWW	C
. 70.	1,2-Dichloropropane		- Column B of Table 1 specifies the values	20	AOAC or SMEWW	C
. 71.	1,3-Dichloropropene		- Column B of Table 1 specifies the values	20	AOAC or SMEWW	C
. 72.	Heptachlor and Heptachlor Epoxide		- Column B of Table 1 specifies the values	0,03	AOAC or SMEWW	B
. 73.	Hexachlorobenzene		- Column B of Table 1 specifies the values	1	AOAC or SMEWW	B
. 74.	Isoproturon		- Column B of Table 1 specifies the values	9	AOAC or SMEWW	C
. 75.	Lindane		- Column B of Table 1 specifies the values	2	AOAC or SMEWW	B
. 76.	MCPA		- Column B of Table 1 specifies the values	2	AOAC or SMEWW	C
. 77.	Methoxychlor		- Column B of Table 1 specifies the values	20	AOAC or SMEWW	C
. 78.	Metachlor		- Column B of Table 1 specifies the values	10	AOAC or SMEWW	C
. 79.	Fluazifopbutyl		- Column B of Table 1 specifies the values	6	AOAC or SMEWW	C
. 80.	Pendimethalin		- Column B of Table 1 specifies the values	20	AOAC or SMEWW	C
. 81.	Pentachlorophenol		- Column B of Table 1 specifies the values	9	AOAC or SMEWW	C
. 82.	Permethrin		- Column B of Table 1 specifies the values	20	AOAC or SMEWW	C
. 83.	Propanil		- Column B of Table 1 specifies the values	20	AOAC or SMEWW	C
. 84.	Pyridate		- Column B of Table 1 specifies the values	100	AOAC or SMEWW	C
85.	Simazine		- Column B of Table 1 specifies the values	20	AOAC or SMEWW	C
. 86.	Trifluralin		- Column B of Table 1 specifies the values	20	AOAC or SMEWW	C
. 87.	2,4,DB		- Column B of Table 1 specifies the values	90	AOAC or SMEWW	C
. 88.	Dichloroprop		- Column B of Table 1 specifies the values	100	AOAC or SMEWW	C
. 89.	Fenoprop		- Column B of Table 1 specifies the values	9	AOAC or SMEWW	C
. 90.	Mecoprop		- Column B of Table 1 specifies the values	10	AOAC or SMEWW	C
. 91.	2,4,5-T		- Column B of Table 1 specifies the values	9	AOAC or SMEWW	B
V. Disinfectants and By-products
. 92.		Monochloramine	- Column B of Table 1 specifies the values	3	AOAC or SMEWW	B
. 93.		Residual Chlorine	- Column B of Table 1 specifies the values	0,5	AOAC or SMEWW	A
. 94.		Bromate	- Column B of Table 1 specifies the values	25	AOAC or SMEWW	C
. 95.		Chlorite	- Column B of Table 1 specifies the values	200	AOAC or SMEWW	C
. 96.		2,4,6-Trichlorophenol	- Column B of Table 1 specifies the values	200	AOAC or SMEWW	B
. 97.		Formaldehyde	- Column B of Table 1 specifies the values	900	AOAC or SMEWW	B
. 98.		Bromoform	- Column B of Table 1 specifies the values	100	AOAC or SMEWW	C
. 99.		Dibromochloromethane	- Column B of Table 1 specifies the values	100	AOAC or SMEWW	C
100.		Dibromodichloromethane	- Column B of Table 1 specifies the values	60	AOAC or SMEWW	C
101.		Chloroform	- Column B of Table 1 specifies the values	200	AOAC or SMEWW	C
102.		Dichloroacetic Acid	- Column B of Table 1 specifies the values	50	AOAC or SMEWW	B
103.		Trichloroacetic Acid	- Column B of Table 1 specifies the values	100	AOAC or SMEWW	C
104.		Trichloroacetaldehyde Hydrate	- Column B of Table 1 specifies the values	10	AOAC or SMEWW	C
105.		Dichloroacetonitrile	- Column B of Table 1 specifies the values	90	AOAC or SMEWW	C
106.		Dibromoacetonitrile	- Column B of Table 1 specifies the values	100	AOAC or SMEWW	C
107.		Trichloroacetonitrile	- Column B of Table 1 specifies the values	1	AOAC or SMEWW	C
108.		Cyanogen Chloride (CN)	- Column B of Table 1 specifies the values	70	AOAC or SMEWW	C
VI. Radiation Levels
109.	Total Activity		Bq/L	0,1	TCVN 6053-1995 (ISO 9696-1992)	B
110.	Total Activity		Bq/L	1	TCVN 6291-1995 (ISO 9697-1992)	B
VII. Microorganisms
111.	Total Coliforms		Total Coliforms/100 mL	0	TCVN 6187-1-1996 (ISO 9308-1-1990)	A
112.	E. coli or Thermotolerant Coliforms		Total Coliforms/100 mL	0	TCVN 6187-1-1996 (ISO 9308-1-1990)	A

Explanation:

1. A: Includes criteria that will be regularly monitored with a frequency of once a week (for water plants) or once a month (for provincial health departments). These criteria are subject to weather fluctuations and can be tested by water supply facilities and provincial health centers. Monitoring according to these criteria helps track the water treatment process at water supply stations and implement timely corrective measures.

2. B: Includes criteria requiring relatively expensive equipment and less susceptible to weather changes. However, these are fundamental criteria for assessing water quality. These criteria should be tested before putting water sources into use and annually (or upon special request), concurrently with a round of testing the A criteria by local or regional health authorities.

3. C: These criteria require advanced and expensive equipment, testable only by central or regional institutes or certain provincial health centers. These criteria should be tested every two years (if conditions permit) or upon special request by central or regional health authorities.

4. AOAC: Abbreviation for the Association of Official Analytical Chemists (Official Association of Analytical Chemists).

SMEWW: Abbreviation for Standard Methods for the Examination of Water and Waste Water (Standard examination methods for water and wastewater) published by the United States Public Health Agency.

As Vietnam has not yet developed testing methods for these parameters, it is recommended that water laboratories use the methods of these organizations.

(a) Sensory criteria.

(b) When both Nitrite and Nitrate are present in drinking water, the total ratio of the concentration of each substance to their respective maximum allowable limits shall not exceed 1 (See the following formula).

Cnitrat /GHTÐ nitrat + Cnitrit/GHTÐ nitrit < 1

C: Measured concentration

GHTÐ: Maximum allowable limit as stipulated in this standard

E. Sampling frequency and location

Inspection regime	Sampling frequency	Sampling location
A	- 2 samples/month/5,000 population - Over 100,000 population: 1 sample/100,000 population + 10 additional samples	-- 1 sample at the storage tank after treatment and 1 sample at the tap for use - 1 sample at the storage tank after treatment and the remaining samples at the taps for use distributed according to water supply branches.
B	- 1 sample when the water source is first put into use - 2 samples/year/5,000 population - Over 100,000 population: 1 sample/100,000 population + 10 additional samples	- At the water source - 1 sample at the storage tank after treatment and 1 sample at the tap for use - 1 sample at the storage tank after treatment and the remaining samples at the taps for use distributed according to water supply branches.
C	Upon request	As requested

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Decision No. 1329/2002/QÐ-BYT on Issuing Sanitary Standards for Drinking Water

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Tiếng Việt Quyết định số 1329/2002/QÐ-BYT Về việc ban hành Tiêu chuẩn vệ sinh nước ăn uống 한국어 결정 제 1329/2002/QÐ-BYT에 의한 식용수 위생 기준 발부에 관한 결정 中文决定第1329/2002/QÐ-BYT号关于发布饮用水卫生标准

Decision No. 1329/2002/QÐ-BYT on Issuing Sanitary Standards for Drinking Water

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