Circular No. 41/2018/TT-BYT dated December 14, 2018 promulgating national technical regulation and regulations on inspection and monitoring of domestic water quality

• Official number: 41/2018/TT-BYT
• Legislation Type: Circular
• Organization: The Ministry of Health
• Signer: Nguyen Truong Son
• Issued Date: 14/12/2018

THE MINISTRY OF HEALTH -------	THE SOCIALIST REPUBLIC OF VIETNAM Independence - Freedom - Happiness ---------------
No. 41/2018/TT-BYT	Hanoi, December 14, 2018

CIRCULAR

PROMULGATING NATIONAL TECHNICAL REGULATION AND REGULATIONS ON INSPECTION AND MONITORING OF DOMESTIC WATER QUALITY

Pursuant to the Government’s Decree No. 117/2007/ND-CP dated July 11, 2007 on clean water production, supply and consumption; Government's Decree No. 124/2011/ND-CP dated December 28, 2011 on amendments to some Articles of the Government’s Decree No. 117/2007/ND-CP dated July 11, 2007 on clean water production, supply and consumption;

Pursuant to the Decree No. 75/2017/ND-CP dated June 20, 2017 defining functions, tasks, entitlements and organizational structure of the Ministry of Health;

At the request of the Director of the Health Environment Management Agency;

The Minister of Health hereby promulgates a Circular on national technical regulation and regulations on inspection and monitoring of domestic water quality.

Article 1. Promulgation of Regulation

The National technical regulation on domestic water quality is promulgated together with this Circular;

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1. The results of testing of domestic water quality parameters specified Clauses 2 and 3 Article 5 of the Regulation promulgated together with this Circular shall be made publicly available by the water supplier within 3 days from the date on which results are available on its website (if a website is not available, the water supplier shall be posted at its office. To be specific:

a) Total number of water samples and sampling locations.

b) Parameters and results of testing of each water sample.

c) Remedial measures taken if any parameter fails the Regulation, and time limit for implementation thereof.

2. The competent authority shall carry out an external inspection of implementation of regulations on assurance of domestic water quality by every water supplier as follows:

a) Inspect the testing of domestic water quality parameters specified Clauses 2 and 3 Article 5 of the Regulation promulgated together with this Circular; documents about monitoring and management of domestic water quality; publishing of information about domestic water quality according to Clause 1 Article 2 of this Circular;

b) Collect samples and test domestic quality parameters specified in Clauses 2 and 3 Article 5 of the Regulation promulgated together with this Circular.

c) Within 5 days from the date on which results of external inspection of domestic water quality are obtained, the external inspecting authority shall notify the inspected water supplier in writing thereof; publish the results on its website; notify the following information to the unit selecting the water supplier and supervisory authority of the inspected water supplier (if any):

- Name of the inspected water supplier.

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3. External inspection frequency:

a) Each water supplier shall undergo an external inspection once a year.

b) An unscheduled external inspection shall be conducted when:

- the water supplier’s periodic and ad hoc reports on water quality give rise to suspicions about finished water quality.

- there is an environmental emergency that may affect water quality.

- results of the water quality inspection or epidemiological investigation show that the water source is potentially polluted.

- any organization or individual complains about water quality.

- it is requested by a competent authority.

Article 3. Effect

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2. The Circular No. 50/2015/TT-BYT dated December 11, 2015 of the Minister of Health is null and void from the effective date of this Circular.

3. The Circular No. 04/2009/TT-BYT and Circular No. 05/2009/TT-BYT dated June 17, 2009 of the Minister of Health shall remain effective to apply to the entities specified in Clause 2 Article 4 of this Circular until June 30, 2021 when a local technical regulation on domestic water quality is promulgated and comes into force.

Article 4. Transitional clauses

Regarding provinces and central-affiliated cities that have not yet promulgated a local technical regulation on domestic water quality within the time limit specified in Clause 3 Article 3 of this Circular, every water supplier may:

1. apply National technical regulation on domestic water quality promulgated together with this Circular but is required to test all domestic water quality parameters on the list specified in Article 4 of the Regulation; or

2. Continue to apply the National technical regulation on drinking water quality (QCVN 01:2009/BYT) and National technical regulation on domestic water quality (QCVN 02:2009/BYT) until June 30, 2021.

Article 5. Responsibility for implementation

1. The Health Environment Management Agency affiliated to the Ministry of Health shall disseminate, provide guidance and inspect the implementation of this Circular nationwide.

2. People’s Committees of provinces and central-affiliated cities shall:

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b) promulgate a local technical regulation on domestic water quality, which comes into force before July 01, 2021.

c) allocate budget for and direct the unscheduled or periodic inspection and monitoring of domestic water quality; investment in and upgrading of laboratory equipment in relevant preventive health centers/ centers for disease control of provinces (Centers for disease control of provinces) to enable them to test domestic water quality parameters in accordance with regulations of this Circular.

3. Specialized institutes affiliated to the Ministry of Health shall:

a) carry out reviews, analyze and report domestic water quality within provinces under their management and formulate a plan to provide training and technical and professional assistance to local authorities in the implementation of the Regulation.

b) conduct external inspections of domestic water quality at the request of the Ministry of Health; prepare external inspection reports using the Form No. 01 in the Appendix hereof.

c) provide technical assistance to provinces and cities under their management for the purpose of making local technical regulation on domestic water quality.

d) submit mid-year and annual reports to the Health Environment Management Agency within 15 days from the ending dates of June and December; prepare reports using the Form No. 02 in the Appendix hereof.

4. Departments of Health of provinces and central-affiliated cities shall:

a) take charge and cooperate with relevant units in implementing this Circular within provinces and cities.

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c) receive declarations of conformity submitted by water suppliers within provinces and cities.

d) prepare a plan and provide human resources, equipment and funding (provided by annual budget) for inspection and monitoring of domestic water quality within provinces and cities; inspect and monitor quality of water extracted by households themselves in areas prone to water pollution so as to take measures to ensure people’s health.

5. Centers for disease control of provinces shall:

a) conduct periodic and unscheduled external inspections of quality of water from all water suppliers that serve 500 households or more (or have a design capacity of at least 1,000 m^3/ 24 hours in case of failure to determine the number of households); prepare external inspection reports using the Form No. 01 in the Appendix hereof.

b) cooperate with health centers of districts in conducting periodic and unscheduled external inspections of quality of water from all water suppliers that serve fewer than 500 households (or have a design capacity of less than 1,000 m^3/ 24 hours in case of failure to determine the number of households);

c) make an annual plan and estimate of funding for organizing inspections of domestic water quality.

d) submit mid-year and annual reports to the Departments of Health of provinces and central-affiliated cities, specialized institutes affiliated to the Ministry of Health and Health Environment Management Agency affiliated to the Ministry of Health within 10 days from the ending dates of June and December; prepare reports using the Form No. 03 in the Appendix hereof.

6. Health centers for districts shall:

a) conduct periodic and unscheduled external inspections of quality of water from all water suppliers that serve fewer than 500 households (or have a design capacity of 1,000 m^3/ 24 hours in case of failure to determine the number of households); prepare external inspection reports using the Form No. 01 in the Appendix hereof.

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c) submit quarterly, mid-year and annual reports to the Health Environment Management Agency within 5 days from the ending dates of March, June, September and December; prepare reports using the Form No. 04 in the Appendix hereof.

7. Water suppliers shall:

a) implement regulations of this Circular.

b) be responsible to the law for quality of domestic water they provide.

c) archive and manage domestic water quality monitoring documentation:

- Local technical regulations on domestic water quality, which are promulgated by People’s Committees of provinces and central-affiliated cities.

- Results of periodic and unscheduled testing of raw water quality.

- Results of periodic and unscheduled testing of domestic water quality parameters.

- Records on chemicals used during the process of producing domestic water.

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- Report on remedial measures against emergencies related to domestic water quality.

- Information about domestic water quality.

- Documentary evidences for implementation of the water safety plan.

d) be subject to inspections and supervision by competent authorities.

dd) propose domestic water parameters in order to make local technical regulations on domestic water quality.

e) submit quarterly domestic water testing reports to health centers of districts and centers for disease control of provinces according to the Forms No. 05 and 06 in the Appendix hereof.

8. The Chief of the Ministry Office, Director of Administration of Science Technology and Training, Director of Health Environment Management Agency, Director of Department of Legal Affairs, relevant departments, heads of affiliates of the Ministry of Health, Directors of Departments of provinces and central-affiliated cities and relevant organizations and individuals are responsible for the implementation of this Circular.

Difficulties that arise during the implementation of this Circular should be reported to the Ministry of Health for consideration./.

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PP. THE MINISTER
THE DEPUTY MINISTER




Nguyen Truong Son

QCVN 01-1:2018/BYT

NATIONAL TECHNICAL REGULATION ON DOMESTIC WATER QUALITY

Foreword

The National technical regulation on domestic water quality QCVN 01-1:2018/BYT is prepared by the Health Environment Management Agency, presented by the Department of Legal Affairs, appraised by the Ministry of Science and Technology and promulgated together with the Circular No. 41/2018/TT-BYT dated December 14, 2018 by the Ministry of Health.

The National technical regulation on drinking water quality QCVN 01-1:2018/BYT supersedes the National technical regulation on drinking water quality QCVN 01-1:2009/BYT and National technical regulation on domestic water quality QCVN 02:20Q9/BYT which are promulgated together with the Circular No. 04/2009/TT-BYT and Circular No. 05/2009/TT-BYT dated June 17, 2009 of the Minister of Health respectively.

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ON DOMESTIC WATER QUALITY

Chapter I

GENERAL

Article 1. Scope

This Regulation provides for permissible limits of domestic water quality parameters.

Article 2. Regulated entities

1. This Regulation applies to organizations and individuals partially or totally involved in extraction, production, transmission, wholesale and retail of domestic water according to a complete centralized system (hereinafter referred to as “water suppliers”); domestic water quality inspecting and monitoring authorities; testing laboratories and bodies certifying domestic water quality parameters.

2. This Regulation does not apply to tap water, bottled drinking water, bottled natural mineral water, water produced by water purifiers, water purification system and non-domestic water.

Article 3. Definitions

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1. “domestic water” refers to water that has undergone treatment and satisfies given requirements of quality to serve human consumption and sanitation purposes.

2. “organoleptic parameters” refer to factors, including color and taste that can be experienced via human senses.

3. “AOAC” stands for Association of Official Analytical Chemists.

4. “CFU” stands for Colony Forming Unit.

5. “FCR” stands for Free Chlorine Residual.

6. “NTU” stands for Nephelometric Turbidity Unit.

7. “SMEWW” stands for Standard Methods for the Examination of Water and Waste Water.

8. “TCU” stands for True Color Unit.

9. “US EPA” stands for United States Environmental Protection Agency.

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TECHNICAL REQUIREMENTS

Article 4. List of domestic water quality parameters and permissible limits thereof

No.

Parameter

Unit

Permissible limit

Group A parameters

Microbiological parameters

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1.

Coliform

CFU/100 mL

<3

2.

E.Coli or Fecal Coliform

CFU/100 mL

<1

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Organoleptic and inorganic parameters

3.

Arsenic (As)^(*)

mg/L

0.01

4.

FCR^(**)

mg/L

Within 0,2 - 1,0

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Turbidity

NTU

2

6.

Color

TCU

15

7.

Odor, taste

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No odor and strange taste

8.

pH

-

Within 6,0-8,5

Group B parameters

Microbiological parameters

9.

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CFU/ 100mL

< 1

10.

Ps. Aeruginosa

CFU/ 100mL

< 1

Inorganic parameters

11.

...

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...

mg/L

0,3

12.

Antimony (Sb)

mg/L

0,02

13.

Barium (Bs)

mg/L

...

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14

Borax and Boric acid (B)

mg/L

0,3

15.

Cadmium (Cd)

mg/L

0,003

16.

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...

mg/L

0,01

17.

Permanganate index

mg/L

2

18.

Chloride (Cl^-)^(***)

mg/L

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19.

Chromi (Cr)

mg/L

0,05

20.

Copper (Cuprum) (Cu)

mg/L

1

21.

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...

mg/L

300

22.

Fluorine (F)

mg/L

1,5

23.

Zinc (Zincum) (Zn)

mg/L

...

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24.

Manganese (Mn)

mg/L

0,1

25.

Sodium (Na)

mg/L

200

26.

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...

mg/L

0.2

27.

Nickel (Ni)

mg/L

0,07

28.

Nitrate (NO₃^- expressed as N)

mg/L

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29.

Nitrite (NO₂^- expressed as N)

mg/L

0,05

30.

Iron (Ferrum) (Fe)

mg/L

0,3

31.

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mg/L

0,01

32.

Sulfate

mg/L

250

33.

Sulfur

mg/L

...

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34.

Mercury (Hydrargyrum) (Hg)

mg/L

0,001

35.

Total dissolved solids (TDS)

mg/L

1000

36.

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mg/L

0,05

Organic parameters

a. Chlorinated alkanes

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37.

1,1,1 -Trichloroethane

µg/L

2000

38.

1,2 - Dichloroethane

µg/L

30

39.

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µg/L

50

40.

Carbon tetrachloride

µg/L

2

41.

Dichloroethane

µg/L

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42.

Tetrachloroethylene

µg/L

40

43.

Trichloroethane

µg/L

20

44.

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µg/L

0,3

b. Aromatic hydrocarbon

45.

Benzene

µg/L

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46.

Ethylbenzene

µg/L

300

47.

Phenol and phenol derivatives

µg/L

1

48.

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µg/L

20

49.

Toluene

µg/L

I 700

50.

Xylene

µg/L

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c. Chlorinated benzenes

51.

1,2 - Dichlorobenzene

µg/L

1000

52.

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µg/L

300

53

Trichlorobenzene

µg/L

20

d. complex organic compounds

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54.

Acrylamide

µg/L

0,5

55.

Epichlorohydrin

µg/L

0,4

56.

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µg/L

0,6

Pesticide parameters

57.

1,2 - Dibromo - 3 Chloropropane

µg/L

...

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58.

1,2 - Dichloropropane

µg/L

40

59.

1,3 - Dichloropropene

µg/L

20

60.

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µg/L

30

61.

2,4 - DB

µg/L

90

62

Alachlor

µg/L

...

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63.

Aldicarb

µg/L

10

64.

Atrazine and chloro-s-triazine derivatives

µg/L

100

65.

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µg/L

5

66.

Chlorpyrifos

µg/L

30

67.

Chlordane

µg/L

...

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68.

Chlortoluron

µg/L

30

69.

Cyanazine

µg/L

0,6

70.

...

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...

µg/L

1

71.

Dichlorprop

µg/L

100

72.

Fenoprop

µg/L

...

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73.

Hydroxyatrazine

µg/L

200

74.

Isoproturon

µg/L

9

75.

...

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...

µg/L

2

76.

Mecoprop

µg/L

10

77.

Methoxychlor

µg/L

...

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...

78.

Molinate

µg/L

79.

Pendimetalin

µg/L

20

80.

...

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...

µg/L

20

81.

Propanil Uq/L

µg/L

20

82.

Simazine

µg/L

...

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...

83.

Trifluralin

µg/L

20

Parameters of disinfectants and disinfection byproducts

84.

2,4,6 - Trichlorophenol

µg/L

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85.

Bromate

µg/L

10

86.

Bromodichloromethane

µg/L

60

87.

...

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...

µg/L

100

88.

Chloroform

µg/L

300

89.

Dibromoacetonitrile

µg/L

...

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90.

Dibromochloromethane

µg/L

100

91.

Dichloroacetonitrile

µg/L

20

92.

...

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...

µg/L

50

93.

Formaldehyde

µg/L

900

94.

Monochloramine

µg/L

...

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...

95.

Monochloroacetic acid

µg/L

20

96.

Trichloroacetic acid

µg/L

200

97.

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...

µg/L

1

Radioactive parameters

98.

Gross alpha activity α

Bg/L

...

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99.

Gross beta activity β

Bg/L

1,0

Notes:

- (*) is only applicable to water suppliers that extract groundwater.

- (**) is only applicable to water suppliers that use chlorine for disinfection.

- (**) is only applicable to coastal areas and islands.

- (***) means no unit.

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C_nitrate/ML_nitrate + C_nitrite/ML_nitrite ≤ 1

Article 5. Testing of domestic water quality parameters

1. All domestic water quality parameters shall be tested at laboratories or certification bodies that have been accredited according to TCVN ISO/IEC 17025 and registered its their testing services as prescribed in the Government's Decree No. 107/2016/ND-CP dated July 01, 2016.

2. Group A parameters shall be tested by all water suppliers.

3. Group B parameters shall be tested in accordance with local technical regulations promulgated by People’s Committees of provinces and central-affiliated cities on the basis of parameters selected to suit local current conditions.

4. Water suppliers shall test all Group A and B parameters on the List of domestic water quality parameters specified in Article 4 of this Regulation in the following cases:

a) Before they are put into operation for the first time.

b) After they undergo a major upgrade or repair that affects the production system.

c) There is an environmental emergency that may affect water quality.

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dd) The testing is conducted every 03 years from the latest testing of all parameters.

5. Periodic testing:

a) Periodic testing of group A parameters shall be conducted at least once a month.

b) Periodic testing of group B parameters shall be conducted at least every 6 months.

c) Depending on local current conditions, People’s Committees of provinces and central-affiliated cities shall define a testing frequency that is higher than that specified in Points a and b of this Clause.

Article 6. Number of samples and sampling locations

1. The number of samples needed for each testing:

a) Regarding water suppliers that serve fewer than 100,000 people: take at least 03 domestic water samples.

b) Regarding water suppliers that serve at least 100,000 people: take at least 04 domestic water samples and one additional sample for every 100,000 people served.

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3. Regarding authorities, units, apartments, collective living quarters, hospitals, schools, enterprises and areas that have shared water tanks: take at least 02 samples, one from the shared water tank and 01 from a random tap. If there are 02 shared water tanks or more, take at least 01 sample from each tank and 01 sample from a random tap.

4. In the event of any risk of water source pollution or diseases, increase the number of water samples taken at different sampling locations.

Article 7. Sampling and testing methods

Sampling and testing methods are provided in the Appendix 01 hereof.

Chapter III

MANAGEMENT REGULATIONS

Article 8. Declaration of conformity

Every water producer shall assess its conformity itself as prescribed in the Circular No. 28/2012/TT-BKHCN dated December 12, 2012 and Circular No. 02/2017/TT-BKHCN dated March 31, 2017 of the Minister of Science and Technology.

Every water producer shall assess its conformity according to the method set forth in Point a Clause 1 Article 5 of the Circular No. 28/2012/TT-BKHCN and submit the declaration of conformity to the Department of Health of the province or central-affiliated city where it is located according to the Form in the Appendix 02 hereof.

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IMPLEMENTATION

Article 9. Responsibility for implementation

The Health Environment Management Agency shall take charge and cooperate with relevant authorities in providing guidelines and organizing implementation of this Regulation and recommend the Ministry of Health to make amendments thereto in accordance with management regulations.

Article 10. Transitional clause

In the cases where any of the regulations on testing methods in the National regulation and legislative documents referred to in this Regulation is amended or replaced, the newest one shall apply.

APPENDIX 01

LIST OF SAMPLING AND TESTING METHODS
(Enclosed with QCVN 01-12018/BYT dated December 14, 2018 of the Minister of Health)

No.

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Analysis method, standard code

1

Sampling

- TCVN 6663-1:2011 (ISO 5667-1:2006), Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques

- TCVN 6663-3:2016 (ISO 5667-3:2012), Water quality - Sampling - Part 3: Preservation and handling of water samples

- TCVN 6663-5:2009 (ISO 5667-5:2009), Water quality – Sampling – Part 5: Guidance on sampling of drinking water from treatment works and piped distribution systems.

2

Coliform, E.Coli or Fecal Coliform

- TCVN 6187-1:2009 Water quality – Detection and enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method.

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3

Staphylococcusaureus

- SMEWW 9213B - Determination of staphylococcusaureus in swimming pool water.

4

Ps. Aeruginosa

- TCVN 8881:2011 (ISO 16266:2006): Water quality – Detection and enumeration of Pseudomonas aeruginosa – Method by membrane filtration.

5

Arsenic (As)

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- Or SMEWW 3114 B:2017: Determination of arsenic by hydride generation/atomic absorption spectrometric method

- Or SMEWW 3125 B:2017: Determination of arsenic by inductively coupled plasma mass spectrometry (ICP - MS).

- Or US EPA 200.8 - Determination of trace metals by inductively coupled plasma mass spectrometry (ICP - MS).

- Or SMEWW 3120B:2017 - Determination of trace metals by Inductively inductively coupled plasma optical emission spectrometry (ICP - OES).

6

Free chlorine residual, monochloramine

- TCVN 6225-2:2012 - Water quality - Determination of free chlorine and total chlorine.

- Or SMEWW4500 - Cl B,C,G: 2012 - Determination of free chlorine residual by iodine method or DPD Colorimetric Method

- SMEWW 4500 - Cl G - 22^nd Edition, 2012 - Determination of monochloramine in water - DPD Colorimetric Method

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Turbidity

- TCVN 6184 -1996 (ISO 7027 - 1990) - Water quality - Determination of turbidity

- Or SMEWW 2130 :2012 - Determination of turbidity by light scattering method.

8

Color

- TCVN 6185:2015 (ISO 7887:2011) - Water quality - Examination and determination of colour.

- Or SMEWW 2120 B,C,D:2012 - Determination of color by Colorimetric – Single/Multi- Wavelength Method

9

Odor, taste

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- SMEWW 2160:2012 - Determination of taste by Flavor Threshold Test (FTT) or Flavor Rating (FRA) assessment method

10

pH

- TCVN 6492 - 2011 (ISO 10523-2008) - Water quality – Determination of pH.

11

Ammonium (NH₃ and NH₄^+expressed as N)

- SMEWW 4500 - NH₃:2012 - Determination of ammonium by distillation and titration method, phenol or selective electrode method.

- Or TCVN 6179-1:1996 (ISO 7150-1:1984) - Water quality - Determination of ammonium - Part 1: Manual spectrometric method;

- Or TCVN 6660:2000 (ISO 14911:1988) - Water quality - Determination of dissolved Li^+ Na^+, NH₄^+, K^+, Mn^2+, Ca₂^+, Mg₂^+, Sr^2+ and Ba^2+ using ion chromatography - Method for water and waste water;

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- Or EPA 350.2 - Determination of ammonium. Distillation and titration method or colorimetric method.

9

Coban, Nickel, Copper, Zinc, Cadmium, Lead

- TCVN 6193:1996 (ISO 8288:1986) - Water quality - Determination of cobalt nickel, copper, zinc, cadmium, and lead - Flame atomic absorption spectrometric methods.

- Or SMEWW 3111:2012 or SMEWW 3113:2012 Determination of cobalt nickel, copper, zinc, cadmium, manganese and lead. Flame or graphite-furnace atomic absorption spectrometric methods.

- Or SMEWW 3125 B:2012: Determination of metals by inductively coupled plasma mass spectrometry (ICP-MS).

- Or US EPA 200.8. Determination of trace metals by inductively coupled plasma mass spectrometry (ICP-MS).

- SMEWW 31206:2017. Determination of trace metals by inductively coupled plasma optical

emission spectrometry (ICP - OES).

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Chromium

- TCVN 6222 - 2008 (ISO 9174 -1998) - Water quality – Determination of chromium – Atomic absorption spectrometric medthods.

11

Cadmium

- TCVN 6197-2008 (ISO 5961-1994) - Water quality – Determination of cadmium by atomic absorption spectrometry.

- Or SMEWW 3113:2012 - Determination of cadmium by flame or graphite-furnace atomic absorption spectrometric methods.

- Or SMEWW 3125 B 2012: Determination of cadmium by inductively coupled plasma mass spectrometry (ICP - MS).

12

Barium, Bor

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13

Selenium

- TCVN 6183-1996 (ISO 9964-1-1993) - Water quality - Determination of selenium - Atomic absorption method (hydride technique).

- Or SMEWW 3114:2012 - Determination of selenium. Atomic absorption method (hydride technique).

- Or SMEWW 3125B 2012 - Determination of selenium. Inductively coupled plasma mass spectrometry (ICP - MS).

14

Arsenic, Chromium, Cooper, Zinc, Nikel, Manganese, Iron, Molybdenum, Mercury, Selenium, Lead, Cadmium

- ERA 6020 - Water quality - Chromium, Cooper, Zinc, Nikel, Manganese, Iron, Molybdenum, Mercury, Selenium, Lead, Cadmium by inductively coupled plasma mass spectrometry (ICP - MS).

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- TCVN 6665:2011 (ISO 11885:2007) - Water quality – Determination of selected elements: Aluminium, Arsenic, Bor, Barium, Cadmium, Chromium, Cooper, Iron, Manganese, Molybdenum, Sodium, Nikel, Lead, Selenium, Zinc, Mercury by inductively coupled plasma optical emission spectrometry (ICP - OES)

16

Manganese

- TCVN 6002 - 1995 (ISO 6333 - 1986) - Water quality - Determination of manganese - Formaldoxime spectrometric method

17

Permanganate index

- TCVN 6186:1996 or ISO 8467:1993 (E) Water quality - Determination of permanganate index.

18

Chloride (Cl^-)

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- SMEWW 4110B: 2017: Determination of soluble anions by ion chromatography with conductivity detectors.

- SMEWW 4500 Cl-D: 2017- Determination of chloride - Silver nitrate titration method

19

Hardness, expressed as CaCO₃

- SMEWW 2340:2017: Determination of hardness by calculation and EDTA titration method

20

Fluoride, Chloride, Nitrite, Orthophosphatet, Bromide, Nitrate and sulfate

- TCVN 6494:1999 - Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions.

- Or TCVN 6195:1996 (ISO 10359-1:1992) - Water quality – Determination of fluoride, Electrochemical probe method for potable and lightly polluted water.

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- SMEWW 4110B: 2017: Determination of soluble anions by ion chromatography with conductivity detectors.

21

Nitrate

- TCVN 6180 -1996 (ISO 7890-3 : 1988 (E)) Water quality - Determination of nitrate - Part 3: Spectrometric method using sulfosalicylic acid.

- Or SMEVVVV 4500 - NO₃^- :2012: Determination of nitrate by photometric method or selective electrode method or cadmium reduction method

22

Nitrite

- TCVN 6178 - 1996 (ISO 6777-1984) - Water quality - Determination of nitrite - Molecular absorption spectrometric method.

- Or TCVN 6494 - 1:2011 (ISO 10304-1 2007) Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate

...

...

...

Iron (Ferrum) (Fe)

- TCVN 6177: 1996 - Water quality - Determination of iron- Spectrometric method using 1.10- phenantrolin.

24

Sulfate

- SMEWW 4500 - SO₄^2- E - Determination of sulfate by turbidity measurement method

25

Sulfide

- TCVN 6637:2000 (ISO 10530:1992) - Water quality - Determination of dissolved sulfide - Photometric method using methylen blue.

- Or SMEWW 4500 - S^2-: 2012 - Determination of soluble sulfide - Photometric method or iodine method or ion selective electrode method.

...

...

...

Mercury

- TCVN 7877 : 2008 (ISO 5666 : 1999) - Water quality - Determination of mercury

- Or TCVN 7724:2007 (ISO 17852:2006) - Water quality - Determination of mercury - Method using atomic fluorescence spectrometry.

- US EPA 200.8. Determination of trace metals by inductively coupled plasma mass spectrometry (ICP - MS).

- SMEWW 3112B:2017 - Determination of metals by atomic absorption spectrometry and cold vapor technique

27

Total dissolved solids (TDS)

- SMEWW 2540 - Solids C - Determination of total dissolved solids (TDS) by weight method

28

...

...

...

- TCVN 6181:1996 (ISO 6703-1:1984) - Water quality – Determination of total cyanide

- Or SMEWW 4500 - CN A, B, C, E - Determination of cyanide by distillation method and colorimetric method

29

Alkanes (1,1,1-Trichloroethane, 1,2 - Dichloroethane, 1,2- Dichloroethane, Carbon tetrachloride, Dichloromethane , Tetrachloroethylene, Trichloroethane, Vinyl chloride)

- US EPA 5021A- Revision 2, July 2014 - Determination of alkanes (1,1,1-Trichloroethane, 1,2 - Dichloroethane, 1,2- Dichloroethane, Carbon tetrachloride, Dichloromethane , Tetrachloroethylene, Trichloroethane, Vinyl chloride) using equilibrium headspace analysis in combination with gas chromatography (GC).

- US EPA 8270E - Revision 6, 2018 - Determination of volatile organic compounds in water

- US EPA 5021A - Revision 2, July 2014 - Determination of alkanes (1,1,1-Trichloroethane, 1,2 - Dichloroethane, 1,2- Dichloroethane, Carbon tetrachloride, Dichloromethane , Tetrachloroethylene, Trichloroethane, Vinyl chloride)

30

Acrylamide

...

...

...

31

Chlorinated alkanes, aromatic hydrocarbon, chlorinated benzenes and epichlorohydrin

- US ERA 8260C - Revision 4, July 2014 - Determination of volatile organic compounds: chlorinated alkanes, aromatic hydrocarbon, chlorinated benzenes and epichlorohydrin - Gas chromatography/Mass spectrometry (GC/MS).

- US EPA 8270E - Revision 6, 2018 - Determination of volatile organic compounds in water.

32

Hexachlorobutadiene, 1,2 - Dibromo - 3 Chloropropane, 1,2 - Dichloropropane, 1,3 - Dichloropropene, Bromodichloromethane, Bromoform, Dibromochloromethane

- US EPA 524.4 - Revision 1.0, May 2013 - Determination of purgeable organic compounds in water: Hexachlorobutadiene, 1,2 - Dibromo - 3 Chloropropane, 1,2 - Dichloropropane, 1,3 - Dichloropropene, Bromodichloromethane, Bromoform, Dibromochloromethane - Gas chromatography/mass spectrometry (GC/MS) using nitrogen purge gas.

33

2,4 - D; 2,4 DB, Dichlorprop; Fenoprop; 2,4,5-T; Pentachlorophenol

...

...

...

34

Alachlor, Atrazine and chloro-s-triazine derivatives, Chlortoluron, Chlorpyrifos, Cyanazine, Isoproturon, Isoproturon, Methoxychlor, Molinate, Simazine, Trifuralin

- US EPA 525.3 - Version 1.0, February 2012 - Determination of semivolatile organic compounds (SVOCs) in drinking water: Alachlor, Atrazine, Chlortoluron, Isoproturon, Isoproturon, Methoxychlor, Molinate, Simazine, Trifuralin - Solid phase extraction and capillary column gas chromatography/mass spectrometry (GC/MS).

35

Aldicarb, Carbofuran

- US EPA 531.2 - Revision 1.0, September 2001 - Determination of n-methylcarbamoyloximes and n-methylcarbamates in water: Aldicarb, Carbofuran - HPLC post-column derivation technique

36

2,4 -D, 2,4 DB, Dichlorprop, MCPA, Pentachlorophenol, 2,4,5 -T, Mecoprop

- US EPA 555 - Revision 1.0, August 1992 - Determination of chlorinated acids in water: Bentazone, 2,4 - D, 2,4 DB, Dichlorprop, MCPA, Pentaclorophenol, 2,4,5 - T, Mecoprop - High performance liquid chromatography with a photodiode array ultraviolet detector

...

...

...

Pendimethalin, Alachlor, Atrazine, Metolachlor, Molinate, Simazine

- US EPA 507 - Revision 2.1, 1995 - Determination of  nitrogen- and phosphorus-containing pesticides in water: Pendimethalin, Alachlor, Atrazine, Metolachlor, Motinate, Simazine - Gas chromatography with nitrogen-phosphorous detector (NPD).

38

Pendimethalin

- US EPA 8091 - Revision 0, December 1996 - Determination of nitroaromatics and cyclic ketones by gas chromatography: Pendimethalin - Gas chromatography with electron capture detector (ECD) and nitrogen-phosphorous detector (NPD).

39

Chlordane, DDT and its derivatives, Methoxychlor, Atrazine, Simazine, Permethrin

- US EPA 1699 - December 2007 - Determination of pesticides in water, soil, sediment, biosolids, and tissue: Aldrin, Lindane, chlordane, DDT, Dieldrin, Heptachlor and heptachlor epoxit, Methoxychlor, Hexachlorobenzene, Atrazine, Simazine, Permethrin - High resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS)

40

...

...

...

- US EPA 524.4:2013 - Determination of Hydroxyantrazine by chromatography

41

Propanil

- US EPA 532 - Revision 1.0, 2000 - Determination of phenylurea compounds in drinking water: Propanil - Solid phase extraction and high performance liquid chromatography with UV detection. (HPLC-UV).

42

Carbofuran, Chlordane, Pentachlorophenol, 1,2- Dichlorobenzene, 1,4- Dichlorobenzene, Trichlorobenzene, Hexachlorobenzene, Hexachlorobutadiene, Methoxychlor, phenol, 2,4,6 Trichlorophenol

- US EPA 8270D - Revision 5, July 2014 - Determination of volatile organic compounds in water: Benzo(a)pyren, Carbofuran, Chlordane, Heptachlor and heptachlor epoxit, Pentaclorophenol, Aldrin/Dieldrin, Lindane, 1,2- Dichlorobenzene, 1,4- Dichlorobenzene, Trichlorobenzene, Hexachlorobenzene, Hexachlorobutadiene, Methoxychlor, phenol, 2,4,6 Trichlorophenol - Gas chromatography/mass spectrometry (GC/MS)..

43

Bromate

...

...

...

44

Monochloroacetic acid; dichloroacetic acid and trichloroacetic acid

- SMEWW 6251: 2012 - Determination of disinfection byproducts by liquid-liquid microextraction and gas chromatography

- Or US EPA 552 2 Determination of disinfection byproducts by liquid-liquid extraction, derivatization, and gas chromatography with electron capture detection.

45

Chloroform, Dibromochlorometan, Bromoform, Bromodichlorometan, Dibromoaxetonitrile, Dichloroaxetonitrile, Trichloroaxetonitrile, Carbontetrachloride, 1,2 - Dibromo - 3 Chloropropane, Alachlor, Atrazine, Metolachlor, Simazine, Trifluralin, Methoxychlor,

- US EPA 551.1 - Revision 1.0, 1995 - Chlorination disinfection byproducts, chlorinated solvents, and halogenated pesticides/herbicides in drinking water: Chloroform, Dibromochlorometan, Bromoform, Bromodichlorometan, Dibromoaxetonitrile, Dichloroaxetonitrile, Trichloroaxetonitrile, Carbontetrachloride, 1,2 - Dibromo - 3 Chloropropane, Alachlor, Atrazine, Metolachlor, Simazine, Trifluralin, Methoxychlor, Lindane, Hexachlorobenzene, Heptachlor and heptachlor epoxit - Liquid-liquid extraction and gas chromatography with electron-capture detection (ECD)

46

Formaldehyde

...

...

...

- Or SMEWW 6252:2012: Determination of carbonyl compounds in water by gas chromatography with electron-capture detection (ECD)

47

Bromoform, Chloroform

- US EPA 501.3: 1996 - Determination of Trihalomethanes in drinking water with gas

chromatography/mass spectrometry and selected ion monitoring (GC-MS-SIM)

48

Gross alpha activity α

- TCVN 6053 : 2011 - Measurement of gross alpha activity in non-saline water – Thick source method.

- Or SMEWW 7110B: 2017 - Determination of gross alpha activity and gross beta activity - Evaporation method.

...

...

...

49

Gross beta activity β

- TCVN 6219 : 2011 - Measurement of gross beta activity in non-saline water .

- Or SMEWW 7110B: 2017 - Determination of gross alpha activity and gross beta activity - Evaporation method.

- Or TCVN 8879:2011 - Measurement of gross alpha and gross beta activity in non-saline water – Thin source deposit method./.

Methods whose quantitation limits are conformable with permissible limits and equivalent or higher accuracy (including repeatability and trueness) are accepted.

APPENDIX 02

(Enclosed with QCVN 01-1.2018/BYT dated December 14, 2018 of the Minister of Health)

...

...

...

DECLARATION OF CONFORMITY

No. …………………..

Name of the organization/individual: ...........................................................................................................

Address: .................................................................................................................................

Telephone: …………………………………………..Fax: ........................................................

E-mail: ..................................................................................................................................

HEREBY DECLARES THAT:

The product(s), process(es), service(s) or environment(s) (name, type number, model number, specifications, etc.)

.............................................................................................................................................

...

...

...

is in conformity with the following technical regulation(s) (code, name)

.............................................................................................................................................

.............................................................................................................................................

Additional information (bases for declaration of conformity, methods for conformity assessment, etc.):

.............................................................................................................................................

.............................................................................................................................................

………(Name of the organization/individual).... bear responsibility for the conformity of ....(product(s), process(es), service(s) or environment(s)) ………which we/I produce, trade, maintain, transport or use.

...

...

...

FORM NO. 01

(Enclosed with the Circular No. 41/2018/TT-BYT dated December 14, 2018 of the Minister of Health)

REPORT ON EXTERNAL INSPECTION OF DOMESTIC WATER QUALITY

(Prepared by competent authorities. This form is made into 02 copies, 01 is kept by the water supplier and 01 is kept by the inspectorate)

A. GENERAL INFORMATION

1. Name of the water supplier: ......................................................................................................

2. Address: .................................................................................................................................

3. Design capacity…………../ Total number of households (HS) served with water: .........  

...

...

...

5. Date of inspection: .................................................................................

6. Composition of the inspectorate: .............................................................................................

.............................................................................................................................................

.............................................................................................................................................

.............................................................................................................................................

.............................................................................................................................................

7. Number of samples and sampling locations: (Enclosed with a sample collection form)

B. INTERNAL INSPECTION BY THE WATER SUPPLIER

1. Water quality monitoring and management documentation: (Assessment of water supplier’s compliance with regulations on preparation and management of water quality monitoring and management documentation)

...

...

...

.............................................................................................................................................

2. Frequency of internal inspection: (Assessment of water supplier’s compliance with regulations on frequency when testing water quality parameters)

.............................................................................................................................................

.............................................................................................................................................

3. Water quality: (parameters that regularly fail during the inspection period, reasons and remedial measures)

.............................................................................................................................................

.............................................................................................................................................

4. Publishing of information and reporting of water quality: (Assessment of water supplier’s compliance with regulations on publishing of information and reporting of water quality)

.............................................................................................................................................

...

...

...

C. RESULTS OF EXTERNAL INSPECTION OF WATER QUALITY

No.

    Sample number,
sampling locations

Parameter

1

2

3

...

Permissible limit

...

...

...

1.

Coliform (CFU/100 mL)

<3

2.

...

...

...

<1

3.

Arsenic (As)(*) mg/L

...

...

...

0,01

4.

Free Chlorine Residual (**) (mg/L)

...

...

...

Within 0,2- 1,0

5.

Turbidity (NTU)

2

...

...

...

6.

Color (TCU)

15

7.

...

...

...

No odor and strange taste

8.

PH

...

...

...

Within 6,0-8.5

...

...

...

...

- (*) is only applicable to water suppliers that extract groundwater.

- (**) is only applicable to water suppliers that use chlorine for disinfection.

Remarks:

.............................................................................................................................................

.............................................................................................................................................

D. CONCLUSION

.............................................................................................................................................

...

...

...

DD. RECOMMENDATIONS

.............................................................................................................................................

.............................................................................................................................................

Representative of the water supplier
(signature and full name)

(Place name), date (dd/mm/yyyy) ….
Chief of the inspectorate
(signature and full name)

FORM NO. 02

(Enclosed with the Circular No. 41/2018/TT-BYT dated December 14, 2018 of the Minister of Health)

...

...

...

THE SOCIALIST REPUBLIC OF VIETNAM
Independence - Freedom - Happiness
---------------

(Place name), date (dd/mm/yyyy) ….

REPORT ON DOMESTIC WATER QUALITY INSPECTION

(Prepared by specialized institutes, including National Institute of Occupational and Environmental Health; Institute of Hygiene and Epidemiology of Tay Nguyen, Pasteur Institute of Nha Trang, HCMC Institute of Public Health)

Mid-year report □                  Annual report □

(A mid-year report shall cover a period  from January 01 to June 30) (An annual report shall cover a period from January 01 to December 31)

A. GENERAL INFORMATION

...

...

...

Number of provinces where water quality inspections are carried out: …………..provinces.

Total number of water suppliers within provinces under the reporting unit’s management: ...............................................................

Total number of water suppliers subject to inspections: ...............................................................

Total of HS served with water: ……………Accounting for: …….% (total number of HS served with water by water suppliers/total number of HS within provinces under the reporting unit’s management)

B. CONSOLIDATION OF RESULTS OF INSPECTIONS OF QUALITY OF PROVINCES’ WATER

1. Results of testing of water of water suppliers: (A water sample that meets the Regulation meets all regulatory parameters)

Province name

Contents

Province A

...

...

...

...

Total number of water suppliers

Total number of water samples tested

...

...

...

Total number of water samples that fail to meet the Regulation (rate)

Failed parameters (specify number of samples and rate %)

...

...

...

Coliform (CFU/100 mL)

E.Coli or Fecal Coliform (CFU/100 mL)

...

...

...

Free Chlorine Residual (**) (mg/L)

Turbidity (NTU)

...

...

...

Color (TCU)

Odor, taste

...

...

...

….

- (*) is only applicable to water suppliers that extract groundwater.

- (**) is only applicable to water suppliers that use chlorine for disinfection.

...

...

...

2.1. For the provincial centers for disease control

.............................................................................................................................................

.............................................................................................................................................

2.2. For water suppliers

.............................................................................................................................................

 ............................................................................................................................................

C. RESULTS OF DOMESTIC WATE QUALITY INSPECTIONS BY INSTITUTES WITHIN PROVINCES (IF ANY)

No.

Name of water supplier (specify its address)

...

...

...

Inspection contents

Results of external inspection* (if any)

Conclusion

Remedial measures
(if any)

Remediation results
(if any)

...

...

...

...

...

...

(*) Please specify:

Total number of water samples tested: ……………..(samples)

Total number of samples meeting the Regulation: ……………..(samples)

Rate of samples meeting the Regulation: ……………%

Total number of samples failing to meet the Regulation: ……………..(samples)

Failed parameters (specify number of samples and rate): …………..

D. RESEARCH ON DOMESTIC WATER QUALITY BY INSTITUTES (IF ANY)

.............................................................................................................................................

...

...

...

DD. CONCLUSION AND RECOMMENDATIONS

.............................................................................................................................................

 ............................................................................................................................................

Head of the reporting unit

(Signature and seal)

FORM NO. 03

...

...

...

Name of the reporting unit
No. ……….
-------

THE SOCIALIST REPUBLIC OF VIETNAM
Independence - Freedom - Happiness
---------------

(Place name), date (dd/mm/yyyy) ….

CONSOLIDATED REPORT ON DOMESTIC WATER QUALITY INSPECTION

(Prepared by provincial centers for disease control by consolidating reports on inspections of quality of domestic water of water suppliers and health centers of districts within provinces)

Mid-year report □                  Annual report □

(A mid-year report shall cover a period from January 01 to June 30)

...

...

...

A. GENERAL INFORMATION

Total number of water suppliers: ……………

Total of HS served with water: ……………Accounting for: …….% (total number of HS served with water by water suppliers/total number of HS within provinces)

Total number of water suppliers subject to inspections during the reporting period: ...............................................................

B. RESULTS OF EXTERNAL INSPECTIONS BY A PROVINCIAL CENTER FOR DISEASE CONTROL

- Number of water suppliers subject to external inspections/Total number of water suppliers: ....................................................................

- Funding for external inspection: ...................................................................

- External inspection funding compared to that provided in the previous year:

Increased □       Decreased □      Unchanged □     

...

...

...

Compliant □    Non-compliant □

C. RESULTS OF INTERNAL INSPECTIONS BY WATER SUPPLIERS

1. Water quality monitoring and management documentation, internal inspection frequency, and publishing and reporting regulations

No.

Name of water supplier

Number of HS served with domestic water or capacity

Water quality monitoring and management documentation

Number of samples and parameters tested during reporting period
(adequate or inadequate)

...

...

...

Publishing and reporting regulations
(compliant or non-compliant)

Remedial measures (available or not available)

Preparation of documentation (yes or no)

Adequacy of documentation
(adequate or inadequate)

Additional documents in case of inadequacy

1.

...

...

...

2.

...

...

...

3.

...

...

...

Total

...

...

...

2. Results of internal inspection of water

(A water sample that meets the Regulation meets all regulatory parameters)

...

...

...

Total number of samples meeting the Regulation: ……………..(samples)

Rate of samples meeting the Regulation: ……………%

Total number of samples failing to meet the Regulation: ……………..(samples)

Rate of samples failing to meet the Regulation: ……………%

Failed parameters

Name of water suppliers

...

...

...

…

…

...

...

...

…

D. RESULTS OF EXTERNAL INSPECTIONS OF DOMESTIC WATER QUALITY BY A COMPETENT AUTHORITY (IF ANY),

1. Total number of water suppliers subject to external inspections/ Total number of water suppliers: ……….; Rate: ....%

2. Number of external inspections/ Number of water suppliers subject to the external inspections: …………..

3. List of water suppliers subject to external inspections

...

...

...

Name of water supplier subject to external inspection

Number of external inspections

Inspection contents

Testing of water quality parameters (yes, no)

1.

...

...

...

3.

...

...

...

No.

Inspection contents

Pass (Number, rate %)

Fail (Number, rate %)

1.

Water quality monitoring and management documentation

- Preparation of documentation

- Adequacy of documentation

...

...

...

2.

Testing of water quality parameters during internal inspection

- Number of samples

- Results (number of samples, rate %)

- Failed parameters

3.

Reporting of results and publishing of information

...

...

...

- Publishing of information

4.

Implementation of remedial measures

5.

Results of water quality parameter testing by the authority in charge of external inspections

...

...

...

- Results (number of samples, rate %)

- Failed parameters

6.

Publishing of information about water quality

- Notifications given to water suppliers

- Publishing of information on website of the authority in charge of external inspections

- Notifications sent to the competent authority

...

...

...

E. REMAKRS AND RECOMMENDATIONS

.............................................................................................................................................

Head of the reporting unit

(Signature and seal)

...

...

...

(Enclosed with the Circular No. 41/2018/TT-BYT dated December 14, 2018 of the Minister of Health)

Name of the reporting unit
No. ……….
-------

THE SOCIALIST REPUBLIC OF VIETNAM
Independence - Freedom - Happiness
---------------

(Place name), date (dd/mm/yyyy) ….

CONSOLIDATED REPORT ON DOMESTIC WATER QUALITY INSPECTION

(Prepared by health centers of districts by consolidating reports on inspections of quality of water of water suppliers that serve fewer than 500 households or have a capacity of less than 1000 m^3/ 24 hours within districts)

Quarterly report □     Mid-year report □    Annual report □

...

...

...

A. GENERAL INFORMATION

Total number of water suppliers: ……………

Total of HS served with water: ……………Accounting for: …….% (total number of HS served with water by water suppliers that serve fewer than 500 HS/total number of HS within districts)

Total number of water suppliers subject to inspections during the reporting period: ...............................................................

B. RESULTS OF EXTERNAL INSPECTION BY A HEALTH CENTER OF DISTRICT

Number of water suppliers subject to external inspections/Total number of water suppliers: ....................................................................

Funding for external inspection: ...................................................................

External inspection funding compared to that provided in the previous year

Increased □       Decreased □      Unchanged □     

...

...

...

Compliant □    Non-compliant □

C. RESULTS OF INTERNAL INSPECTION BY WATER SUPPLIERS

1. Water quality monitoring and management documentation, internal inspection frequency, and publishing and reporting regulations

No.

Name of water supplier

Number of HS served with domestic water or capacity

Water quality monitoring and management documentation

Number of samples and parameters tested during reporting period
(adequate or inadequate)

...

...

...

Publishing and reporting regulations
(compliant or non-compliant)

Remedial measures (available or not available)

Preparation of documentation (yes or no)

Adequacy of documentation
(adequate or inadequate)

Additional documents in case of inadequacy

1.

...

...

...

2.

...

...

...

3.

...

...

...

Total

...

...

...

Remarks:

.............................................................................................................................................

...

...

...

2. Results of testing of water quality parameters during the reporting period

(A water sample that meets the Regulation meets all regulatory parameters)

Total number of water samples tested:……………..(samples)

Total number of samples meeting the Regulation: …………………….(samples).

Rate of samples meeting the Regulation:...............%

Total number of samples failing to meet the Regulation:………………… (samples)

Rate of samples failing to meet the Regulation: …………………%

Failed parameters

Name of water suppliers

...

...

...

…

…

...

...

...

…

D. RESULTS OF EXTERNAL INSPECTIONS OF WATER BY A COMPETENT AUTHORITY ACCORDING TO REPORTS SUBMITTED BY WATER SUPPLIERS

1. Total number of water suppliers subject to external inspections/ Total number of water suppliers: .................................

Rate: ………………..%

2. Number of external inspections/ Number of water suppliers subject to external inspections: .............................................

3. List of water suppliers subject to external inspections

...

...

...

Name of water supplier subject to external inspection

Number of external inspections

Inspection contents

Testing of water quality parameters (yes, no)

1.

...

...

...

3.

...

...

...

4. External inspection results

No.

Inspection contents

Pass (Number, rate %)

Fail (Number, rate %)

...

...

...

Water quality monitoring and management documentation

- Preparation of documentation

- Adequacy of documentation

2.

Testing of water quality parameters during internal inspection

- Number of samples

- Results (number of samples, rate %)

...

...

...

3.

Reporting of results and publishing of information

- Reporting of results

- Publishing of information

4.

...

...

...

5.

Results of water quality parameter testing by the authority in charge of external inspections

- Number of samples

- Results (number of samples, rate %)

- Failed parameters

...

...

...

Publishing of information about water quality

- Notifications given to water suppliers

- Publishing of information on website of the authority in charge of external inspections

- Notifications sent to the competent authority

- Notifications given to the supervisory authority

DD. REMAKRS AND RECOMMENDATIONS

.............................................................................................................................................

...

...

...

Head of the reporting unit

(Signature and seal)

FORM NO. 05

(Enclosed with the Circular No. 41/2018/TT-BYT dated December 14, 2018 of the Minister of Health)

REPORT ON INTERNAL INSPECTION OF DOMESTIC WATER QUALITY

(Prepared by water suppliers during each internal inspection)

...

...

...

1. Name of the water supplier: ......................................................................................................

2. Address: .................................................................................................................................

3. Design capacity…………../ Total number of HS served with water: ..............................

4. Raw water source (clearly specified) ..............................................................................

5. Date of inspection: .................................................................................

6. Inspector: .............................................................................................

7. Number of water samples and sampling locations:

.............................................................................................................................................

.............................................................................................................................................

...

...

...

.............................................................................................................................................

.............................................................................................................................................

C. RESULTS OF WATER QUALITY TESTING

No.

Sample number and sampling

Parameter

1

2

...

...

...

Assessment
(pass/fail)

1.

Coliform (CFU/100 ml)

<3

2.

...

...

...

<1

3.

Arsenic (As(*) mg/L

...

...

...

0,01

4.

Free Chlorine Residual (**) (mg/L)

Within 0,2-1,0

...

...

...

Turbidity (NTU)

2

6.

Color (TCU)

...

...

...

15

7.

Odor, taste

No odor and strange taste

...

...

...

8.

PH

Within 6,0- 8,5

9.

…

...

...

...

- (*) is only applicable to water suppliers that extract groundwater.

- (**) is only applicable to water suppliers that use chlorine for disinfection.

.............................................................................................................................................

.............................................................................................................................................

.............................................................................................................................................

...

...

...

.............................................................................................................................................

.............................................................................................................................................

.............................................................................................................................................

DD. RECOMMENDATIONS:

.............................................................................................................................................

.............................................................................................................................................

.............................................................................................................................................

...

...

...

FORM NO. 06

(Enclosed with the Circular No. 41/2018/TT-BYT dated December 14, 2018 of the Minister of Health)

CONSOLIDATED REPORT ON DOMESTIC WATER QUALITY INSPECTION

(Prepared by water suppliers)

1st Quarter □      2nd Quarter □        3rd Quarter □       4th Quarter □

(Quarterly reports shall cover a period from the first of January, April, July and October to the ending dates of March, June, September and December respectively)

A. GENERAL INFORMATION

1. Name of the water supplier: ......................................................................................................

...

...

...

3. Design capacity…………../ Total number of HS served with water: ..............................

4. Raw water source (clearly specified) ..............................................................................

B. WATER QUALITY MONITORING AND MANAGEMENT DOCUMENTATION

1. Water quality monitoring and management documentation, internal inspection frequency, and publishing and reporting regulations

Water quality monitoring and management documentation

Number of samples and parameters tested during reporting period
(adequate or inadequate)

Internal inspection frequency regulation
(compliant or non-compliant)

...

...

...

Remedial measures (available or not available)

Preparation of documentation (yes or no)

Adequacy of documentation
(adequate or inadequate)

Additional documents in case of inadequacy

...

...

...

Remarks:

.............................................................................................................................................

.............................................................................................................................................

2. Results of testing of water quality parameters during the reporting period

(A water sample that meets the Regulation meets all regulatory parameters)

Total number of water samples tested:……………..(samples)

Total number of samples meeting the Regulation: ……………..(samples)

Rate of samples meeting the Regulation: ……………%

...

...

...

Rate of samples failing to meet the Regulation: ……………%

Failed parameters: ..........................................................................................................

C. EXTERNAL INSPECTION RESULTS

1. Water suppliers subject to external inspections

No.

Name of water supplier subject to external inspection

Number of external inspections

Inspection contents

Testing of water quality parameters (yes, no)

...

...

...

2.

...

...

...

No.

Inspection contents

Pass (Number, rate %)

Fail (Number, rate %)

1.

Water quality monitoring and management documentation

- Preparation of documentation

- Adequacy of documentation

...

...

...

2.

Testing of water quality parameters during internal inspection

- Number of samples

- Results (number of samples, rate %)

- Failed parameters

3.

Reporting of results and publishing of information

...

...

...

- Publishing of information

4.

Implementation of remedial measures

5.

Results of water quality parameter testing by the authority in charge of external inspections

...

...

...

- Results (number of samples, rate %)

- Failed parameters

6.

Publishing of information about water quality

- Notifications given to water suppliers

- Publishing of information on website of the authority in charge of external inspections

- Notifications sent to the competent authority

...

...

...

D. PROPOSALS AND RECOMMENDATIONS

.............................................................................................................................................

.............................................................................................................................................

Head of the reporting unit
(Signature and seal)