LegalizeThe Water Supply (Water Quality) Regulations 2018
| ¹ “Uncertainty of measurement” is a non-negative parameter characterising the dispersion of the quantity values being attributed to a measurement, based on the information used. The performance criterion for measurement uncertainty (k = 2) is at least the percentage of the parametric value stated in the table. If the value of uncertainty of measurement cannot be met, the best available technique must be selected (up to 60 % of the parametric value). | ¹ “Uncertainty of measurement” is a non-negative parameter characterising the dispersion of the quantity values being attributed to a measurement, based on the information used. The performance criterion for measurement uncertainty (k = 2) is at least the percentage of the parametric value stated in the table. If the value of uncertainty of measurement cannot be met, the best available technique must be selected (up to 60 % of the parametric value). |
|---|---|
| ² The method determines total cyanide in all forms. | ² The method determines total cyanide in all forms. |
| ³ Reference method: European standard EN ISO 8467 entitled “Water quality - Determination of permanganate index (ISO 8467)”. | ³ Reference method: European standard EN ISO 8467 entitled “Water quality - Determination of permanganate index (ISO 8467)”. |
| ⁴ The performance characteristics for individual pesticides are given as an indication. Values for the uncertainty of measurement as low as 30% can be achieved for several pesticides, higher values up to 80% may be allowed for a number of pesticides. | ⁴ The performance characteristics for individual pesticides are given as an indication. Values for the uncertainty of measurement as low as 30% can be achieved for several pesticides, higher values up to 80% may be allowed for a number of pesticides. |
| ⁵ The performance characteristics apply to individual substances, specified at 25% of the parametric value in Part 1 of Table B in Schedule 1. | ⁵ The performance characteristics apply to individual substances, specified at 25% of the parametric value in Part 1 of Table B in Schedule 1. |
| ⁶ The performance characteristics apply to individual substances, specified at 50 % of the parametric value in Part 1 of Table B in Schedule 1. | ⁶ The performance characteristics apply to individual substances, specified at 50 % of the parametric value in Part 1 of Table B in Schedule 1. |
| ⁷ The uncertainty of measurement must be estimated at the level of 3 mg/l of the total organic carbon (TOC) in accordance with European standard EN 1484 entitled “Water analysis - Guidelines for the determination of total organic carbon and dissolved organic carbon” and dissolved organic carbon (DOC) shall be used. | ⁷ The uncertainty of measurement must be estimated at the level of 3 mg/l of the total organic carbon (TOC) in accordance with European standard EN 1484 entitled “Water analysis - Guidelines for the determination of total organic carbon and dissolved organic carbon” and dissolved organic carbon (DOC) shall be used. |
| ⁸ The uncertainty of measurement must be estimated at the level of 1,0 NTU in accordance with European standard EN ISO 7027-1 entitled “Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1”. | ⁸ The uncertainty of measurement must be estimated at the level of 1,0 NTU in accordance with European standard EN ISO 7027-1 entitled “Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1”. |
| (1)Parameter | (2)Uncertainty of measurement % of the parametric value (except for pH)¹ |
| Aluminium | 25 |
| Ammonium | 40 |
| Antimony | 40 |
| Arsenic | 30 |
| Benzene | 40 |
| Benzo(a)pyrene ² | 50 |
| Boron | 25 |
| Bromate | 40 |
| Cadmium | 25 |
| Chloride | 15 |
| Chromium | 30 |
| Colour | 20 |
| Conductivity | 20 |
| Copper | 25 |
| Cyanide ³ | 30 |
| 1,2-dichloroethane | 40 |
| Fluoride | 20 |
| Hydrogen ion concentration pH (expressed in pH units) | 0.2 |
| Iron | 30 |
| Lead | 25 |
| Manganese | 30 |
| Mercury | 30 |
| Nickel | 25 |
| Nitrate | 15 |
| Nitrite | 20 |
| Oxidisability ⁴ | 50 |
| Pesticides ⁵ | 30 |
| Polycyclic aromatic hydrocarbons ⁶ | 50 |
| Selenium | 40 |
| Sodium | 15 |
| Sulphate | 15 |
| Tetrachloroethene ⁶ | 30 |
| Tetrachloromethane | 30 |
| Trichloroethene ⁷ | 40 |
| Trihalomethanes: total ⁶ | 40 |
| Total organic carbon ⁸ | 30 |
| Turbidity 9 | 30 |
| Notes: | Notes: |
SCHEDULE 6 — Amendments and revocations
| (1) Regulations to be amended | (2) Reference | (3) Provision to be amended | (4) Amendments |
|---|---|---|---|
| The Water Quality and Supply (Fees) (Undertakers Wholly or Mainly in Wales) Order 2016 | S.I. 2016/843 (W. 213) | The Schedule | In the English language text, in each place it occurs, for “Water Supply (Water Quality) Regulations 2010” substitute “Water Supply (Water Quality) Regulations 2018” |
| In the Welsh language text, in each place it occurs for “Rheoliadau Cyflenwi Dŵr (Ansawdd Dŵr) 2010” substitute Rheoliadau Cyflenwi Dŵr (Ansawdd Dŵr) 2018” | |||
| **(1) Regulations revoked**** | **(2) Reference**** | **(3) Extent of revocation**** | |
| --- | --- | --- | |
| The 2010 Regulations | S.I. 2010/994 (W. 99) | The whole Regulations | |
| The National Treatment Agency (Abolition) and the Health and Social Care Act 2012 (Consequential, Transitional and Savings Provisions) Order 2013 | S.I. 2013/235 | Paragraph 152 of Schedule 2 | |
| The Construction Products Regulations 2013 | S.I. 2013/1387 | Paragraph 7 of Schedule 5 | |
| The Private Water Supplies (Wales) Regulations 2017 | S.I. 2017/1041 (W. 270) | Regulation 25 | |
| The Water Act 2014 (Consequential Amendments etc.) Order 2017 | S.I. 2017/506 | Article 28 |
Signed
Lesley Griffiths — Cabinet Secretary for Energy, Planning and Rural Affairs, one of the Welsh Ministers — 2018-05-22
Explanatory note
(This note is not part of the Regulations)
Footnotes
S.I. 2004/3328, as amended by S.I. 2005/850, S.I. 2007/1349, S.I. 2008/301, S.I. 2012/1759 and S.I. 2014/1362. The functions conferred on the National Assembly for Wales by means of that Order are now exercisable by the Welsh Ministers by virtue of section 162 of and paragraphs 28 and 30 of Schedule 11 to the Government of Wales Act 2006 (c. 32).
1972 c. 68; section 2(2) was amended by section 27(1)(a) of the Legislative and Regulatory Reform Act 2006 (c. 51) and by Part 1 of the Schedule to the European Union (Amendment) Act 2008 (c.7).
1991 c. 56. The functions of the Secretary of State under section 67 were transferred to the National Assembly for Wales (“the Assembly”) (a) for the making of regulations concerning water supplied using the supply system of a water undertaker, in relation to the supply system of any water undertaker whose area is wholly or mainly in Wales and (b) for the making of regulations concerning water supplied other than using the supply system of a water undertaker, in relation to Wales, by article 2 of, and Schedule 1 to, the National Assembly for Wales (Transfer of Functions) Order 1999 (S.I. 1999/672) (“the 1999 Order”); the functions of the Secretary of State under section 69 were, in relation to any water undertaker whose area is wholly or mainly in Wales and any licensed water supplier so far as relating to licensed activities using the supply system of any such water undertaker transferred to the Assembly by the same provisions of the Order; the functions of the Secretary of State under section 77 were transferred to the Assembly in relation to Wales by the same provisions of the 1999 Order; the functions of the Secretary of State under section 213 were exercisable by the Assembly to the same extent as the powers to which that section applies were made exercisable by the Assembly by virtue of the same provision of the 1999 Order: see the entry in Schedule 1 to the 1999 Order. References in Schedule 1 to the 1999 Order to specific sections of the Act are treated by section 100(6) of the Water Act 2003 (“the 2003 Act”) as referring to those sections as amended by the 2003 Act. References to “licensed water suppliers” or the singular term in Schedule 1 to the 1999 Order now read “water supply licensees” or the singular term following the amendments in paragraph 127 of Schedule 7 to the Water Act 2014 (“the 2014 Act”); there are other amending instruments but none are relevant. By virtue of section 162 of, and paragraph 30 of Schedule 11 to, the Government of Wales Act 2006, the functions conferred on the Assembly are now exercisable by the Welsh Ministers. Section 69 of the Act was amended by paragraph 19 of Schedule 8 , and Part 3 of Schedule 9 , to the 2003 Act, and paragraph 68 of Schedule 7 to the 2014 Act. Section 213 of the Act was amended by paragraph 28 of Schedule 1 to the Competition and Service (Utilities) Act 1992 (c. 43) and by section 56 of, and paragraph 119(4) of Schedule 7 to the 2014 Act.
See section 6 of the Act for the meaning of “water undertaker”.
See sections 17A and 219(1) of the Act for the meaning of “water supply licensee”. Section 17A was substituted by section 1 of the Water Act 2014. Section 219(1) was amended by section 56 of, and paragraph 120(2)(f) of Schedule 7 to, the Water Act 2014; there are other amendments but none are relevant.
See section 219 of the Act (as amended by paragraph 2(2) of Schedule 11 to the Local Government (Wales) Act 1994 (c. 19)) for the meaning of “local authority”.
SeeS.I. 2009/2058 (W. 177) which established the NHS trust called the Public Health Wales National Health Service Trust or Ymddiriedolaeth Gwasanaeth Iechyd Gwladol Iechyd Cyhoeddus Cymru.
See section 93(1) of the Act for the meaning of “food production purposes”.
Schedule 2A was inserted by paragraph 1 of Schedule 1 to the Water Act 2014.
Section 17B was inserted by paragraph 2 of Schedule 4 to the Water Act 2003. Section 17B was amended by section 2 of, and paragraph 6 of Schedule 5 and paragraph 10 of Schedule 7 to, the Water Act 2014.
This standard was approved by the International Organization for Standardization (ISO) on 15 April 2006. Under reference BS ISO 5667-5:2006 it is published as a UK standard by the British Standards Institution (ISBN 0 580 47140 3).
This standard was approved by the European Committee for Standardization (CEN) on 1 July 2006. Under reference BS EN ISO 19458:2006, it is published as a UK standard by the British Standards Institution (ISBN 0 5804 49136 6).
This standard was approved by the European Committee for Standardization (CEN) on 5 July 2013. Under reference BS EN 15975-2:2013, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 84737 0).
O.J. No L 327, 22.12.2000, p 1, as last amended by Commission Directive 2014/101/EU (OJ No L 311, 31.10.2014, p 32).
Section 68(1) was amended by paragraph 18 of Schedule 8 to the Water Act 2003.
This standard was approved by the European Committee for Standardization (CEN) on 10 November 2017. Under reference BS EN ISO/IEC 17025:2017, it is published as a UK standard by the British Standards Institution (ISBN 0 580 46330 3).
This standard has been approved by the International Organization for Standardization (ISO). Under reference BS ISO 5725-1 to BS ISO 5725-6, these are published as UK standards by the British Standards Institution.
ISO 5725-1:1994/Cor 1:1998 published on 2 May 1998.
Section 18 was amended by sections 36(2) and 49(2) of, and paragraph 4 of Schedule 8 to, the Water Act 2003, and by paragraph 26 of Schedule 7 to the Water Act 2014.
Section 75 was amended by paragraph 24 of Schedule 8 to the Water Act 2003 and paragraph 72 of Schedule 7 to the Water Act 2014.
See section 219(1) of the Act (as amended by section 56 of, and paragraph 27(7)(b) of Schedule 7to, the Water Act 2014) which defines “the Council” as the Consumer Council for Water.
OJ No L 330, 5.12.1998, p 32, as last amended by Commission Directive (EU) 2015/1787 (OJ No L 260, 7.10.2015, p 6).
Section 68(3) was amended by paragraph 18(5) of Schedule 8 to the Water Act 2003.
OJ No L 88, 4.4.2011, p 5, as last amended by Commission Delegated Regulation (EU) No 574/2014 (OJ No L 159, 28.5.2014, p 41).
OJ No L 241, 17.9.2015, p 1.
See section 219(1) of the Act (as amended by section 101 of, and paragraph 27 of Schedule 7 to, the Water Act 2003) which defines “the Authority” as the Water Services Regulation Authority.
Where appropriate, gross beta activity may be replaced by residual beta activity after subtraction of the K-40 activity concentration.
OJ No L 13, 17.1.2014, p.1. For the estimation of doses from internal exposure, Article 4(96) refers to chapter 1 of ICRP (International Commission on Radiological Protection) Publication 119. See Table F.1 in Annex F. A copy of ICRP Publication 119 can be obtained from the ICRP website (www.icrp.org) or from the Welsh Government Water Branch, Welsh Government, Cathays Park, Cardiff, CF10 3NQ.
This standard entitled “Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014)” was approved by the European Committee for Standardization (CEN) on 18 January 2017. Under reference BS EN ISO 9308-1:2014+A1:2017, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 92379 1).
This standard entitled “Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO 9308-2:2012)” was approved by the European Committee for Standardization (CEN) on 11 April 2014. Under reference BS EN ISO 9308-2:2014, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 84023 4).
This standard entitled “Water quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration method (ISO 7899-2:2000)” was approved by the European Committee for Standardization (CEN) on 11 April 2014. Under reference BS EN ISO 7899-2:2000, it is published as a UK standard by the British Standards Institution (ISBN 0 580 34953 5).
This standard entitled “Water quality - Detection and enumeration of Pseudomonas aeruginosa - Method by membrane filtration (ISO 16266:2006)” was approved by the European Committee for Standardization (CEN) on 11 January 2008. Under reference BS EN ISO 16266:2008, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 59736 7).
This standard entitled “Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999)” was approved by the European Committee for Standardization (CEN) on 16 March 1999. Under reference BS EN ISO 6222:1999, it is published as a UK standard by the British Standards Institution (ISBN 0 580 32495 8).
This standard entitled Water quality - Enumeration of Clostridium perfringens - Method using membrane filtration (ISO 14189:2013)” was approved by the European Committee for Standardization (CEN) on 15 July 2016. Under reference BS EN ISO 14189:2016, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 92184 1).
This standard was approved by the European Committee for Standardization (CEN) on 3 November 1994. Under reference EN ISO 8467:1995, it is published as a UK standard by the British Standards Institution (ISBN 0 580 23435 5).
This standard was approved by the European Committee for Standardization (CEN) on 6 April 1997. Under reference BS EN 1484:1997, it is published as a UK standard by the British Standards Institution (ISBN 0 580 28372 0).
This standard was approved by the European Committee for Standardization (CEN) on 15 April 2016. Under reference BS EN ISO 7027-1:2016, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 81961 2)
There are amendments not relevant to these Regulations.
Table 8
Annual sampling frequencies for Group A4 parameters: water supply zones
Note:
This table and each table which follows it in this Part set out the annual sampling frequencies for all the substances and parameters comprising each of the groups to which they correspond, those groups having been outlined in Part 1 of this Schedule. These are determined for each water supply zone according to its estimated population (as specified in column one of each table in this Part). The number of samples to be taken is the standard number specified in column 2, unless a notice varying this number has been given under regulation 9.
| Estimated population of water supply zone | Standard sampling frequency per year |
|---|---|
| <100 | 2 |
| 100-4,999 | 4 |
| 5,000—9,999 | 12 |
| 10,000-29,999 | 24 |
| 30,000-49,999 | 36 |
| 50,000-79,999 | 52 |
| 80,000-100,000 | 76 |
| Estimated population of water supply zone | Standard sampling frequency per year |
| --- | --- |
| <100 | 1 |
| 100-4,999 | 4 |
| 5,000-100,000 | 8 |
| Estimated population of water supply zone | Standard sampling frequency per year |
| --- | --- |
| <100 | 4 |
| ≥100 | 12 per 5,000 population |
Note:
For the purposes of this Table, where the population is not an exact multiple of 5,000, the population figure must be rounded up to the nearest multiple of 5,000.
Table 11
Annual sampling frequencies for Group A2 parameters: treatment works or supply points
Note: This table and each table which follows it in this Part set out the annual sampling frequencies for all the substances and parameters comprising each of the groups to which they correspond at treatment works or supply points, those groups having been outlined in Part 1 of this Schedule. The frequencies are determined according to the volume of water supplied at each treatment works or supply point. The number of samples to be taken is the standard number specified in column 2, unless a notice varying this number has been issued under regulation 9.
| Volume of water supplied m ³/day | Standard sampling frequency per year |
|---|---|
| <20 | 4 |
| 20-1,999 | 52 |
| 2,000-5,999 | 104 |
| 6,000-11,999 | 208 |
| ≥12,000 | 365 |
| Volume of water supplied m ³/day | Standard sampling frequency per year |
| --- | --- |
| <20 | 2 |
| 20-999 | 4 |
| 1,000-1999 | 12 |
| 2,000-5,999 | 24 |
| 6,000-9,999 | 36 |
| 10,000-15,999 | 52 |
| 16,000-32,999 | 104 |
| 33,000-49,999 | 156 |
| 50,000-67,999 | 208 |
| 68,000-84,999 | 260 |
| 85,000-101,999 | 312 |
| 102,000-119,999 | 365 |
| 120,000-241,999 | 730 |
| 242,000-484,999 | 1,460 |
| 485,000-728,999 | 2,190 |
| Volume of water supplied m ³/day | Standard sampling frequency per year |
| --- | --- |
| <20 | 1 |
| 20-999 | 4 |
| 1,000-49,999 | 8 |
| 50,000-89,999 | 12 |
| 90,000-299,999 | 24 |
| 300,000-649,999 | 36 |
| ≥650,000 | 48 |
In the English language text, in each place it occurs, for “Water Supply (Water Quality) Regulations 2010” substitute “ Water Supply (Water Quality) Regulations 2018 ”
Editorial notes
S.I. 2004/3328, as amended by S.I. 2005/850, S.I. 2007/1349, S.I. 2008/301, S.I. 2012/1759 and S.I. 2014/1362. The functions conferred on the National Assembly for Wales by means of that Order are now exercisable by the Welsh Ministers by virtue of section 162 of and paragraphs 28 and 30 of Schedule 11 to the Government of Wales Act 2006 (c. 32).
1972 c. 68; section 2(2) was amended by section 27(1)(a) of the Legislative and Regulatory Reform Act 2006 (c. 51) and by Part 1 of the Schedule to the European Union (Amendment) Act 2008 (c.7).
1991 c. 56. The functions of the Secretary of State under section 67 were transferred to the National Assembly for Wales (“the Assembly”) (a) for the making of regulations concerning water supplied using the supply system of a water undertaker, in relation to the supply system of any water undertaker whose area is wholly or mainly in Wales and (b) for the making of regulations concerning water supplied other than using the supply system of a water undertaker, in relation to Wales, by article 2 of, and Schedule 1 to, the National Assembly for Wales (Transfer of Functions) Order 1999 (S.I. 1999/672) (“the 1999 Order”); the functions of the Secretary of State under section 69 were, in relation to any water undertaker whose area is wholly or mainly in Wales and any licensed water supplier so far as relating to licensed activities using the supply system of any such water undertaker transferred to the Assembly by the same provisions of the Order; the functions of the Secretary of State under section 77 were transferred to the Assembly in relation to Wales by the same provisions of the 1999 Order; the functions of the Secretary of State under section 213 were exercisable by the Assembly to the same extent as the powers to which that section applies were made exercisable by the Assembly by virtue of the same provision of the 1999 Order: see the entry in Schedule 1 to the 1999 Order. References in Schedule 1 to the 1999 Order to specific sections of the Act are treated by section 100(6) of the Water Act 2003 (“the 2003 Act”) as referring to those sections as amended by the 2003 Act. References to “licensed water suppliers” or the singular term in Schedule 1 to the 1999 Order now read “water supply licensees” or the singular term following the amendments in paragraph 127 of Schedule 7 to the Water Act 2014 (“the 2014 Act”); there are other amending instruments but none are relevant. By virtue of section 162 of, and paragraph 30 of Schedule 11 to, the Government of Wales Act 2006, the functions conferred on the Assembly are now exercisable by the Welsh Ministers. Section 69 of the Act was amended by paragraph 19 of Schedule 8 , and Part 3 of Schedule 9 , to the 2003 Act, and paragraph 68 of Schedule 7 to the 2014 Act. Section 213 of the Act was amended by paragraph 28 of Schedule 1 to the Competition and Service (Utilities) Act 1992 (c. 43) and by section 56 of, and paragraph 119(4) of Schedule 7 to the 2014 Act.
See section 6 of the Act for the meaning of “water undertaker”.
See sections 17A and 219(1) of the Act for the meaning of “water supply licensee”. Section 17A was substituted by section 1 of the Water Act 2014. Section 219(1) was amended by section 56 of, and paragraph 120(2)(f) of Schedule 7 to, the Water Act 2014; there are other amendments but none are relevant.
S.I. 2010/994 (W. 99); as amended by S.I. 2011/14 (W. 7), S.I. 2013/235, S.I. 2013/1387, S.I. 2016/410 (W. 128), S.I. 2017/506 and S.I. 2017/1041 (W. 270).
See section 219 of the Act (as amended by paragraph 2(2) of Schedule 11 to the Local Government (Wales) Act 1994 (c. 19)) for the meaning of “local authority”.
SeeS.I. 2009/2058 (W. 177) which established the NHS trust called the Public Health Wales National Health Service Trust or Ymddiriedolaeth Gwasanaeth Iechyd Gwladol Iechyd Cyhoeddus Cymru.
See section 93(1) of the Act for the meaning of “food production purposes”.
Schedule 2A was inserted by paragraph 1 of Schedule 1 to the Water Act 2014.
Section 17B was inserted by paragraph 2 of Schedule 4 to the Water Act 2003. Section 17B was amended by section 2 of, and paragraph 6 of Schedule 5 and paragraph 10 of Schedule 7 to, the Water Act 2014.
This standard was approved by the International Organization for Standardization (ISO) on 15April 2006. Under reference BS ISO 5667-5:2006 it is published as a UK standard by the British Standards Institution (ISBN 0 580 47140 3).
This standard was approved by the European Committee for Standardization (CEN) on 1 July 2006. Under reference BS EN ISO 19458:2006, it is published as a UK standard by the British Standards Institution (ISBN 0 5804 49136 6).
This standard was approved by the European Committee for Standardization (CEN) on 5 July 2013. Under reference BS EN 15975-2:2013, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 84737 0).
O.J. No L 327, 22.12.2000, p 1, as last amended by Commission Directive 2014/101/EU (OJ No L 311, 31.10.2014, p 32).
Section 68(1) was amended by paragraph 18 of Schedule 8 to the Water Act 2003.
This standard was approved by the European Committee for Standardization (CEN) on 10 November 2017. Under reference BS EN ISO/IEC 17025:2017, it is published as a UK standard by the British Standards Institution (ISBN 0 580 46330 3).
Section 18 was amended by sections 36(2) and 49(2) of, and paragraph 4 of Schedule 8 to, the Water Act 2003, and by paragraph 26 of Schedule 7 to the Water Act 2014.
Section 75 was amended by paragraph 24 of Schedule 8 to the Water Act 2003 and paragraph 72 of Schedule 7 to the Water Act 2014.
S.I. 2017/1041 (W. 270).
See section 219(1) of the Act (as amended by section 56 of, and paragraph 27(7)(b) of Schedule 7to, the Water Act 2014) which defines “the Council” as the Consumer Council for Water.
Section 68(3) was amended by paragraph 18(5) of Schedule 8 to the Water Act 2003.
See section 219(1) of the Act (as amended by section 101 of, and paragraph 27 of Schedule 7 to, the Water Act 2003) which defines “the Authority” as the Water Services Regulation Authority.
Where appropriate, gross beta activity may be replaced by residual beta activity after subtraction of the K-40 activity concentration.
OJ No L 13, 17.1.2014, p.1. For the estimation of doses from internal exposure, Article 4(96) refers to chapter 1 of ICRP (International Commission on Radiological Protection) Publication 119. See Table F.1 in Annex F. A copy of ICRP Publication 119 can be obtained from the ICRP website (www.icrp.org) or from the Welsh Government Water Branch, Welsh Government, Cathays Park, Cardiff, CF10 3NQ.
This standard entitled “Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014)” was approved by the European Committee for Standardization (CEN) on 18 January 2017. Under reference BS EN ISO 9308-1:2014+A1:2017, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 92379 1).
This standard entitled “Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO 9308-2:2012)” was approved by the European Committee for Standardization (CEN) on 11 April 2014. Under reference BS EN ISO 9308-2:2014, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 84023 4).
This standard entitled “Water quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration method (ISO 7899-2:2000)” was approved by the European Committee for Standardization (CEN) on 11 April 2014. Under reference BS EN ISO 7899-2:2000, it is published as a UK standard by the British Standards Institution (ISBN 0 580 34953 5).
This standard entitled “Water quality - Detection and enumeration of Pseudomonas aeruginosa - Method by membrane filtration (ISO 16266:2006)” was approved by the European Committee for Standardization (CEN) on 11 January 2008. Under reference BS EN ISO 16266:2008, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 59736 7).
This standard entitled “Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999)” was approved by the European Committee for Standardization (CEN) on 16 March 1999. Under reference BS EN ISO 6222:1999, it is published as a UK standard by the British Standards Institution (ISBN 0 580 32495 8).
This standard entitled Water quality - Enumeration of Clostridium perfringens - Method using membrane filtration (ISO 14189:2013)” was approved by the European Committee for Standardization (CEN) on 15 July 2016. Under reference BS EN ISO 14189:2016, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 92184 1).
This standard was approved by the European Committee for Standardization (CEN) on 3 November 1994. Under reference EN ISO 8467:1995, it is published as a UK standard by the British Standards Institution (ISBN 0 580 23435 5).
This standard was approved by the European Committee for Standardization (CEN) on 6 April 1997. Under reference BS EN 1484:1997, it is published as a UK standard by the British Standards Institution (ISBN 0 580 28372 0).
This standard was approved by the European Committee for Standardization (CEN) on 15 April 2016. Under reference BS EN ISO 7027-1:2016, it is published as a UK standard by the British Standards Institution (ISBN 978 0 580 81961 2)
There are amendments not relevant to these Regulations.
Words in Sch. 3 Pt. 1 Table 3 heading substituted (28.3.2019) by The Rural Affairs, Environment, Fisheries and Food (Miscellaneous Amendments and Revocations) (Wales) Regulations 2019 (S.I. 2019/463), regs. 1(3), 30(3)(a)
Words in Sch. 3 Pt. 1 Table 3 substituted (28.3.2019) by The Rural Affairs, Environment, Fisheries and Food (Miscellaneous Amendments and Revocations) (Wales) Regulations 2019 (S.I. 2019/463), regs. 1(3), 30(3)(b)
Words in Sch. 3 Pt. 1 Table 3 substituted (28.3.2019) by The Rural Affairs, Environment, Fisheries and Food (Miscellaneous Amendments and Revocations) (Wales) Regulations 2019 (S.I. 2019/463), regs. 1(3), 30(3)(c)
Words in Sch. 3 Pt. 1 Table 3 substituted (28.3.2019) by The Rural Affairs, Environment, Fisheries and Food (Miscellaneous Amendments and Revocations) (Wales) Regulations 2019 (S.I. 2019/463), regs. 1(3), 30(3)(d)
Words in Sch. 3 Pt. 1 Table 3 omitted (28.3.2019) by virtue of The Rural Affairs, Environment, Fisheries and Food (Miscellaneous Amendments and Revocations) (Wales) Regulations 2019 (S.I. 2019/463), regs. 1(3), 30(3)(e)
Words in reg. 8(1) substituted (28.3.2019) by The Rural Affairs, Environment, Fisheries and Food (Miscellaneous Amendments and Revocations) (Wales) Regulations 2019 (S.I. 2019/463), regs. 1(3), 30(2)
Sch. 5 Table A2 revoked (1.1.2020 following 11.59 pm on 31.12.2019) by The Water Supply (Water Quality) Regulations 2018 (S.I. 2018/647), reg. 39(3)
Reg. 16 revoked (1.1.2020 following 11.59 p.m. on 31.12.2019) by The Water Supply (Water Quality) Regulations 2018 (S.I. 2018/647), reg. 39(4)
Words in reg. 6(15) substituted (31.12.2020) by The Flood and Water (Amendments) (England and Wales) (EU Exit) Regulations 2019 (S.I. 2019/460), regs. 1(1), 7(3); 2020 c. 1, Sch. 5 para. 1(1)
Words in reg. 23(7) substituted (31.12.2020) by The Flood and Water (Amendments) (England and Wales) (EU Exit) Regulations 2019 (S.I. 2019/460), regs. 1(1), 7(5)(a); 2020 c. 1, Sch. 5 para. 1(1)
Reg. 23(9)(10) omitted (31.12.2020) by virtue of The Flood and Water (Amendments) (England and Wales) (EU Exit) Regulations 2019 (S.I. 2019/460), regs. 1(1), 7(5)(b); 2020 c. 1, Sch. 5 para. 1(1)
Reg. 31(2)(a) omitted (31.12.2020) by virtue of The Flood and Water (Amendments) (England and Wales) (EU Exit) Regulations 2019 (S.I. 2019/460), regs. 1(1), 7(6)(a); 2020 c. 1, Sch. 5 para. 1(1)
Words in reg. 31(2)(b) omitted (31.12.2020) by virtue of The Flood and Water (Amendments) (England and Wales) (EU Exit) Regulations 2019 (S.I. 2019/460), regs. 1(1), 7(6)(b); 2020 c. 1, Sch. 5 para. 1(1)
Reg. 31(3)(b) omitted (31.12.2020) by virtue of The Flood and Water (Amendments) (England and Wales) (EU Exit) Regulations 2019 (S.I. 2019/460), regs. 1(1), 7(6)(c); 2020 c. 1, Sch. 5 para. 1(1)
Reg. 31(15) omitted (31.12.2020) by virtue of The Flood and Water (Amendments) (England and Wales) (EU Exit) Regulations 2019 (S.I. 2019/460), regs. 1(1), 7(6)(d); 2020 c. 1, Sch. 5 para. 1(1)
Words in reg. 39(1)(h) omitted (31.12.2020) by virtue of The Flood and Water (Amendments) (England and Wales) (EU Exit) Regulations 2019 (S.I. 2019/460), regs. 1(1), 7(7); 2020 c. 1, Sch. 5 para. 1(1)
Reporting
39A
- (1) The Welsh Ministers must publish a report on the quality of water intended for human consumption, with the objective of informing consumers.
- (2) A report under paragraph (1) must—
- (a) be published in such manner as the Welsh Ministers consider appropriate;
- (b) include, as a minimum, information on all individual supplies of water that—
- (i) exceed 1,000m³ a day as an average, or
- (ii) serve more than 5,000 persons;
- (c) cover a period of three calendar years.
- (4) The first report under this regulation must cover the years 2017, 2018 and 2019 and be published by 31st December 2021.
- (5) Subsequent reports under this regulation must be published at intervals not exceeding three years.
- (6) Any report published under paragraph (1) must also be made available on the Drinking Water Inspectorate's website.
Amendments and revocations
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