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The Public Water Supplies (Scotland) Amendment Regulations 2017

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Scottish Statutory Instruments

2017 No. 281

Water Supply

The Public Water Supplies (Scotland) Amendment Regulations 2017

Made

5th September 2017

Laid before the Scottish Parliament

7th September 2017

Coming into force

27th October 2017

The Scottish Ministers make the following Regulations in exercise of the powers conferred by sections 76B, 76F(5) and (6), 76J, 101(1) and (1A) and 109(1) of the Water (Scotland) Act 1980(1), section 2(2) of the European Communities Act 1972(2), and all other powers enabling them to do so.

Citation, commencement and interpretation

1.—(1) These Regulations may be cited as the Public Water Supplies (Scotland) Amendment Regulations 2017 and come into force on 27th October 2017.

(2) In these Regulations, “the 2014 Regulations” means the Public Water Supplies (Scotland) Regulations 2014(3).

Amendment of Part 1 of the 2014 Regulations

2.—(1) Part 1 (general) of the 2014 Regulations is amended in accordance with paragraphs (2) to (5).

(2) For regulation 1(3) substitute—

(3) Subject to paragraph (4), these Regulations (except Part 15) apply, to the extent relevant, only in relation to—

(a)water introduced into, or supplied through or from, any part of the public water supply system, including water supplied by Scottish Water pursuant to an arrangement under section 6(1)(b) of the Water Services etc. (Scotland) Act 2005(4);

(b)water supplied by Scottish Water by any other means, including from a tanker or in bottles or containers; and

(c)water supplied with the help of services provided by Scottish Water, as described in section 30 of the Water Industry (Scotland) Act 2002(5)..

(3) In regulation 1(4), for sub-paragraph (a) substitute—

(a)water which is both intended for sale in bottles or containers and either—

(i)recognised as a natural mineral water by regulation 4(1) of the 2007 Regulations; or

(ii)required by regulation 10(1) or 13 of the 2007 Regulations to meet the requirements of schedule 2 of those Regulations;.

(4) In regulation 2(1)—

(a)after the definition of “the 2001 Regulations” insert—

“the 2007 Regulations” means the Natural Mineral Water, Spring Water and Bottled Drinking Water (Scotland) (No. 2) Regulations 2007(6);;

(b)after the definition of “area” insert—

“blending point” means a point at which waters originating from two or more sources and treated for the purposes of their supply for human consumption purposes are combined under conditions that are designed to secure that, after such combination, the requirements of regulation 4(2) are satisfied;;

(c)after the definition of “consumer” insert—

“consumer’s tap” means, in the case of water supplied from a distribution network, the point within premises at which the water emerges from a tap which is normally used for human consumption purposes;;

(d)for the definition of “the Directive” substitute—

“the Directive” means Council Directive 98/83/EC on the quality of water intended for human consumption(7);;

(e)after the definition of “disinfection” insert—

“Drinking Water Quality Regulator for Scotland” means a person appointed under section 7(1) of the Water Industry (Scotland) Act 2002;

(f)in the definition of “human consumption purposes”, for sub-paragraph (b) substitute—

(b)the purposes of the manufacture, processing, preservation or marketing of a product or substance intended for human consumption (unless, in accordance with Regulation (EC) No 852/2004 of the European Parliament and of the Council on the hygiene of foodstuffs(8), the competent authority(9) is satisfied that the quality of the water supplied by Scottish Water for these purposes cannot affect the wholesomeness of a particular product or substance in its finished form);;

(g)for the definition of “parameter” substitute—

“parameter” means a parameter referred to in column (2) of Table A, Table B or Table C, except in regulation 14A and schedule 3 where it means a parameter referred to in paragraph 2 of Part A of schedule 3 or in the first column of Table 1, Table 2 or Table 3 in that schedule;;

(h)after the definition of “parameter” insert—

“point of compliance” means—

(a)

in the case of water supplied from a distribution network—

(i)

in relation to a parameter in Table A or Table B, the point or points specified for the parameter in column (5) of the table in question; and

(ii)

in relation to any other micro-organism, substance or parasite, each point within premises at which it emerges from taps normally used for human consumption purposes;

(b)

in the case of water supplied from a tanker, the point at which it emerges from the tanker;

(c)

in the case of water put into a bottle or container, the point at which the water is put into the bottle or container; and

(d)

in the case of water intended to be used in a food-production undertaking, the point at which the water is to be used in the undertaking;

“point of monitoring” means, in relation to a parameter in Table C, the point or points specified for the parameter in column (5) of that table;;

(i)for the definition of “private water supply” substitute—

“public water supply system” has the same meaning as it has in section 28(1) of the Water Services etc. (Scotland) Act 2005(10);

“risk assessment” means, in relation to a treatment works and its connected supply system, the assessment carried pursuant to regulation 30(2) (as updated, where applicable, by Scottish Water pursuant to paragraph (6) or (6A) of that regulation);;

(j)for the definition of “supply point” substitute—

“supply point”, in the case of water supplied from a distribution network, means a blending point, service reservoir, treatment works or other point within a water supply zone in relation to which the Drinking Water Quality Regulator for Scotland is satisfied that there would be no adverse change to the measured value of a parameter in a sample of the water taken at the point (as compared to the measured value of the parameter in samples of water taken at each point within premises at which it emerges from taps normally used for human consumption purposes within the water supply zone);;

(k)after the definition of “treatment works” insert—

“water” means water in relation to which these Regulations apply;

“water quality standards” means requirements of regulation 4(2), as modified by virtue of any departure authorised under regulation 24(1) or 25(5) or granted pursuant to a request under regulation 25(7));;

(l)at the end of the definition of “water supply zone”, omit “and”; and

(m)after the definition of “water supply zone” insert—

“wholesome” and cognate expressions have the meaning they have in the 1980 Act, as construed in accordance with section 109(1) of that Act(11); and.

(5) In regulation 2(4)—

(a)at the end of sub-paragraph (a), insert “and”;

(b)in sub-paragraph (b) omit “Table 1, Table 2, Table 3 or”;

(c)at the end of the sub-paragraph (b), for “; and” substitute “.”; and

(d)omit sub-paragraph (c).

Amendment of Part 3 of the 2014 Regulations

3.—(1) Part 3 (wholesomeness of public water supplies) of the 2014 Regulations is amended in accordance with paragraphs (2) to (4).

(2) In regulation 4(1), for “paragraphs (3) and” substitute “paragraph”.

(3) In regulation 4(2)—

(a)for “The requirements are that the water” substitute “At each point of compliance, water intended for human consumption purposes”;

(b)in sub-paragraph (a), for “does” substitute “must”;

(c)in sub-paragraph (b), for “does” substitute “must”; and

(d)in sub-paragraph (c), for “satisfies” substitute “must satisfy”.

(4) Omit regulation 4(3).

Amendment of Part 4 of the 2014 Regulations

4.—(1) Part 4 (monitoring of public water supplies) of the 2014 Regulations is amended in accordance with paragraphs (2) to (7).

(2) For regulation 5 substitute—

Monitoring

5.(1) Scottish Water must, in relation to water supplied by it, ensure that it carries out regular monitoring of the quality of any such water intended for human consumption purposes to check that the water available to consumers meets the water quality standards.

(2) Where Scottish Water has reason to suspect that the water contains a micro-organism, parasite or substance (in number or concentration) which—

(a)poses a potential danger to human health; and

(b)is not one of the parameters in Table A, Table B or Table C,

Scottish Water must ensure that monitoring is carried out to establish whether, at the point of compliance, the micro-organism, parasite or substance poses such a potential danger.

(3) Where disinfection forms part of the preparation or distribution of the water, Scottish Water must take all measures necessary to ensure that—

(a)the efficiency of the disinfection treatment applied is verified; and

(b)any contamination from disinfection by-products is kept as low as possible without compromising the disinfection.

(4) Scottish Water must ensure that the monitoring is carried out so as to ensure that the measured values are representative of the quality of the water consumed throughout the year..

(3) For regulation 6 substitute—

Monitoring programmes

6.(1) Scottish Water must prepare and implement a separate monitoring programme for each water supply zone (or part of a water supply zone) in so far as the water supply zone (or the part of it) relates to—

(a)water introduced into, or supplied through or from, any part of the public water supply system, including water supplied by Scottish Water pursuant to an arrangement under section 6(1)(b) of the Water Services etc. (Scotland) Act 2005(12); or

(b)water supplied by Scottish Water by any other means, including from a tanker or in bottles or containers.

(2) Each monitoring programme prepared by Scottish Water must—

(a)meet its obligations under regulation 5;

(b)meet the minimum requirements in Parts A to D of schedule 1A;

(c)accord with the monitoring requirements in Parts E and F of schedule 1A;

(d)ensure that the requirements of regulation 11, as read with schedule 2, and regulations 12 to 14 and 16 are met; and

(e)comply with any other requirements specified in directions under regulation 15A.

(3) Scottish Water must—

(a)determine the sampling points (for the purposes of each monitoring programme); and

(b)ensure that these sampling points meet the relevant requirements in—

(i)regulations 11 to 14 and 16; and

(ii)schedule 1A.

(4) The first monitoring programme for each water supply zone (or part of a water supply zone) prepared under paragraph (1) must be approved by the Drinking Water Quality Regulator for Scotland.

(5) Until a monitoring programme for a water supply zone (or part of a water supply zone) under paragraph (1) has been approved under paragraph (4), Scottish Water must ensure that a programme of monitoring is implemented within the water supply zone which—

(a)complies with the minimum requirements of paragraphs (2) and (3); and

(b)includes any additional monitoring that Scottish Water would be required to carry out (or cause to be carried out) under these Regulations, if these Regulations continued to have effect as they had effect immediately before 27th October 2017.

(6) Scottish Water may modify a monitoring programme which has been approved under paragraph (4) to include additional monitoring for any parameter, micro-organism, parasite or substance, provided that the programme, as modified, complies with paragraphs (2) and (3).

(7) Scottish Water may modify a monitoring programme which has been approved under paragraph (4) to reduce the level of monitoring required by the programme only—

(a)in accordance with conditions as are specified for those purposes in directions given under regulation 15A; or

(b)where no such conditions are specified in directions given under regulation 15A, with the consent of the Drinking Water Quality Regulator for Scotland..

(4) Omit regulations 7 to 10.

(5) After regulation 14 insert—

Methods of analysis

14A.(1) Scottish Water must ensure that the method used for the analysis of a parameter in a sample of water pursuant to regulation 5—

(a)complies with the specifications for the analysis of the parameter in schedule 3; or

(b)produces results which are at least as reliable as those produced by a method which complies with the specifications for the analysis of the parameter in schedule 3.

(2) A method of analysis in relation to which paragraph (1)(b) applies may be used only if—

(a)Scottish Water has provided all relevant information concerning the method and its equivalence to—

(i)the Drinking Water Quality Regulator for Scotland; and

(ii)the Scottish Ministers; and

(b)the Drinking Water Quality Regulator for Scotland—

(i)is satisfied that it can be demonstrated that the alternative method produces results which are at least as reliable as those produced by a method which complies with the specifications for the analysis of the parameter in schedule 3; and

(ii)has confirmed this by notice to Scottish Water..

(6) In regulation 15, omit paragraphs (5) to (11).

(7) After regulation 15 insert—

Directions and guidance

15A.(1) The Drinking Water Quality Regulator for Scotland may give directions (whether general or specific) and guidance to Scottish Water (whether one or more) as to, or in relation to, the exercise of Scottish Water’s functions under this Part.

(2) Directions under paragraph (1) may include provision—

(a)as to the cases and circumstances in which Scottish Water is, or is not, to exercise any of the powers conferred on Scottish Water by these Regulations;

(b)the manner in which those powers are to be exercised; and

(c)for any matter to which the directions relate to be determined, in such manner (if any) as the directions may specify, by a person other than Scottish Water.

(3) Scottish Water must—

(a)comply with any such directions; and

(b)have regard to any such guidance..

Amendment of Part 8 of the 2014 Regulations

5.—(1) Part 8 (treatment, risk assessment and contamination from pipes) of the 2014 Regulations is amended in accordance with paragraphs (2) and (3).

(2) In regulation 30—

(a)after paragraph (2) insert—

(2A) Without prejudice to the generality of paragraph (2), each assessment carried out pursuant to that paragraph must—

(a)seek to establish whether—

(i)the measures in place to control risks to human health throughout the water supply chain from the catchment area through abstraction, treatment and storage to distribution are working effectively; and

(ii)water at each point of compliance meets the water quality standards;

(b)assess available information on the quality of water supplied to establish whether—

(i)the water quality standards are being met; and

(ii)the prescribed concentration and value for each parameter in Table C is not being exceeded at the point of monitoring for the parameter; and

(c)identify the most appropriate means of mitigating any risk to human health.

(2B) The assessment—

(a)must be carried out in accordance with a method which is approved by the Drinking Water Quality Regulator for Scotland;

(b)must be based on the general principles of risk assessment set out in relation to international standards including European standard EN 15975-2:2013 entitled “Security of drinking water supply - Guidelines for risk and crisis management - Part 2: Risk management(13); and

(c)must take into account the results of monitoring carried out—

(i)under these Regulations; and

(ii)under section 8 (monitoring) of the Water Environment and Water Services (Scotland) Act 2003 in respect of bodies of water identified under section 6 of that Act (bodies of water used for the abstraction of drinking water).;

(b)in paragraph (4), for “2015” substitute “2018”;

(c)in paragraph (5), for “1st January 2015” substitute “27th October 2017”;

(d)for paragraph (6) substitute—

(6) Subject to paragraph (6A), Scottish Water must review and, where necessary, update each risk assessment at least every 5 years (or earlier if it considers that the existing risk assessment is inadequate for any reason).; and

(e)after paragraph (6) insert—

(6A) Scottish Water must review and, where necessary, update the risk assessment as soon as possible in the event that it becomes aware of any—

(a)deterioration of the quality of the water;

(b)increase in the pollution of a body of water or other source used for the abstraction of the water; or

(c)modification to, or extension of, the combined system from which the water is supplied,

which is relevant for the protection of human health and was not previously taken into account..

(3) In regulation 31(1), for “or”, in the second place it occurs, substitute “and”.

Amendment of Part 14 of the 2014 Regulations

6.  In Part 14 (local authority functions: public water supplies) of the 2014 Regulations, after regulation 47(1) insert—

(1A) Regulation 14A applies to samples taken under paragraph (1) as it applies to samples taken for the purposes of Part 4, but with the following modifications:—

(a)in paragraph (1)—

(i)for “Scottish Water” substitute “A local authority”; and

(ii)for “regulation 5” substitute “regulation 47(1)”;

(b)in paragraph (2)(a), for “Scottish Water” substitute “the local authority”; and

(c)in paragraph (2)(b), for “Scottish Water” substitute “the local authority”..

Insertion of new schedule 1A into 2014 Regulations

7.  After schedule 1 (prescribed concentrations and values) of the 2014 Regulations insert the schedule contained in schedule 1 of these Regulations.

Amendment of schedule 2 of the 2014 Regulations

8.  In schedule 2 (monitoring) of the 2014 Regulations—

(a)for the heading of the schedule substitute “Monitoring: treatment works”;

(b)omit—

(i)Table 1;

(ii)Table 2 and the notes to that table; and

(iii)Table 3 and the notes to that table;

(c)in Table 4 omit—

(i)“Subject to check monitoring”;

(ii)“Subject to audit monitoring”; and

(d)in the Notes for Table 4—

(i)for “check monitoring” substitute “item 5”; and

(ii)for “audit monitoring” substitute “item 7”.

Omission of schedule 2A of the 2014 Regulations

9.  Omit schedule 2A (monitoring of radioactive substances) of the 2014 Regulations.

Substitution of schedule 3 of the 2014 Regulations

10.  For schedule 3 (analysis: methods and capabilities) of the 2014 Regulations substitute the schedule contained in schedule 2 of these Regulations.

Omission of schedule 3A of the 2014 Regulations

11.  Omit schedule 3A (monitoring for indicative dose and analytical performance characteristics) of the 2014 Regulations.

Consequential revocations

12.  Regulations 14, 15, 18, 19 and paragraphs (a) and (b) of regulation 17 of the Private and Public Water Supplies (Miscellaneous Amendments) (Scotland) Regulations 2015(14) are revoked.

R CUNNINGHAM

A member of the Scottish Government

St Andrew’s House,

Edinburgh

5th September 2017

Regulation 7

SCHEDULE 1NEW SCHEDULE 1A TO BE INSERTED INTO THE 2014 REGULATIONS

Regulation 6(2) and (3)

SCHEDULE 1AMONITORING: MINIMUM REQUIREMENTS

PART AMonitoring programmes

1.  Each monitoring programme must—

(a)verify that—

(i)the measures in place to control risks to human health throughout the water supply chain (from the catchment area through abstraction, treatment and storage to distribution) are working effectively; and

(ii)water at the point of compliance meets the water quality standards;

(b)provide information on the quality of water supplied to demonstrate that—

(i)the water quality standards are being met; and

(ii)the prescribed concentration or value for each parameter in Table C is not being exceeded at the point of monitoring for the parameter; and

(c)identify the most appropriate means of mitigating the risks to human health.

2.(1) Each monitoring programme must fulfil the requirements of Part B of this schedule (and, where applicable, Part C of this schedule) by means of—

(a)the collection and analysis of the quality of discrete water samples; or

(b)measurements of the quality of water recorded by a continuous monitoring process.

(2) In addition, monitoring programmes may consist of—

(a)inspections of records of the functionality and maintenance status of equipment; and

(b)inspections of the catchment area, water abstraction, treatment, storage and distribution infrastructure.

3.  Scottish Water must ensure that each monitoring programme prepared by it is reviewed on a continuous basis, and updated or reconfirmed at least every 5 years.

PART BStandard parameters and frequencies

1.(1) Each monitoring programme must take into account—

(a)each parameter; and

(b)any other micro-organism, parasite or substance which needs to be monitored by virtue of regulation 5(2) or (3),

including those that are important for assessing the impact of any part of the public water supply system on the quality of water at a point of compliance.

(2) When choosing appropriate parameters and other micro-organisms, parasites or substances for monitoring (as required by, or in accordance with, this schedule), local conditions for the parts of the public water supply system in question must be taken into consideration.

2.(1) The following parameters (“Group A parameters”) must be monitored at least at the minimum frequencies determined in accordance with the table in paragraph 3:—

(a)Escherichia coli, coliform bacteria, colony count 22 °C, colour, turbidity, taste, odour, hydrogen ion concentration (pH), and conductivity; and

(b)any other parameter, or other micro-organism, parasite or substance, (except radon, tritium and indicative dose) identified as relevant in the monitoring programme—

(i)by virtue of regulation 5(2) (as read with regulation 6(2)(a)); or

(ii)where relevant, through a risk assessment.

(2) Ammonium and nitrite must be included as Group A parameters, if chloramination is used.

(3) Aluminium and iron must be included as Group A parameters, if used as water treatment chemicals.

(4) Aluminium, iron and manganese must be included as Group A parameters, if the water in question originates from, or is influenced by surface waters.

3.(1) Other parameters, except radon, tritium and indicative dose, (“Group B parameters”) must be monitored at least at the frequencies determined in accordance with the table below.

(2) In the table, “Group A parameters” is to be construed in accordance with paragraph 2.

Minimum frequency of sampling and analysis for compliance monitoring
Volume of water (in m3) distributed or produced each day within a water supply zone (Notes 1 and 2)

Group A parameters:

number of samples per year

Group B parameters:

number of samples per year

> 0≤ 1021
> 10≤ 1,00041
> 1,000≤ 10,0004 for the first 1,000 m3/day of the total volume, plus 3 for each additional 1,000 m3/day and part thereof1 for the first 1,000 m3/day of the total volume, plus 1 for each additional 4,500 m3/day and part thereof
> 10,000≤ 100,0004 for the first 1,000 m3/day of the total volume, plus 3 for each additional 1,000 m3/day and part thereof3 for the first 10,000 m3/day of the total volume, plus 1 for each additional 10,000 m3/day and part thereof
> 100,0004 for the first 1,000 m3/day of the total volume, plus 3 for each additional 1,000 m3/day and part thereof12 for the first 100,000 m3/day of the total volume, plus 1 for each additional 25,000 m3/day and part thereof
Note 1: The volumes are calculated as averages taken over a year.
Note 2: The number of inhabitants in a water supply zone may be used instead of the volume of water to determine the minimum frequency, assuming water consumption of 200 litres/day per person.

PART CDeviation from standard parameters and frequencies

1.  Scottish Water may (or, where required, must), in accordance with this Part, deviate from the requirements of paragraphs 2 and 3 in Part B of this schedule.

2.  Based on the results of a risk assessment, the list of parameters in Part B of this schedule (including any micro-organism, parasite or substance referred to in paragraph 2(1)(b) of that Part), must be extended and/or the minimum sampling frequencies under that Part increased if—

(a)the list of parameters or frequencies required to be monitored under that Part B is not sufficient to fulfil the obligations imposed by regulation 5(1), (3) and (4);

(b)additional monitoring is required by regulation 5(2); or

(c)this is necessary to verify the matters in paragraph 1(a) of Part A of this schedule.

3.  Subject to paragraph 4, based on the results of a risk assessment the list of parameters in Part B of this schedule (including any micro-organism, parasite or substance referred to in paragraph 2(1)(b) of that Part) and the sampling frequencies under that Part B may be reduced, provided that the following conditions are met:—

(a)the frequency of sampling for Escherichia coli must not be reduced below the minimum frequency required by that Part B; and

(b)for other parameters in the list—

(i)the location and frequency of sampling must be determined in relation to the parameter’s origin, as well as the variability and long-term trend of its concentration, taking into account the water quality standards;

(ii)to reduce the minimum sampling frequency for a parameter under Part B of this schedule, the results obtained from samples collected at regular intervals over a period of at least 3 years from sampling points representative of the whole water supply zone must all be less than 60 % of the prescribed concentration or value for the parameter;

(iii)to remove a parameter from the list of parameters to be monitored under Part B of this schedule, the results obtained from samples collected at regular intervals over a period of at least 3 years from points representative of the whole water supply zone must all be less than 30 % of the prescribed concentration or value of the parameter; and

(iv)the removal of a parameter from the list of parameters to be monitored under Part B of this schedule must be based on the result of the risk assessment, informed by the results of monitoring of sources of water and confirming that human health is protected from the adverse effects of any contamination of water.

4.(1) The minimum sampling frequency for a parameter under Part B of this schedule (including for a micro-organism, parasite or substance referred to in paragraph 2(1)(b) of that Part) may be reduced under paragraph 3(b)(ii) only if the risk assessment confirms that no factor (that can be reasonably anticipated) is likely to cause deterioration of the quality of the water.

(2) Any such parameter may be removed from the list of parameters to be monitored under paragraph 3(b)(iii) only if—

(a)the risk assessment confirms that no factor (that can be reasonably anticipated) is likely to cause deterioration of the quality of the water; and

(b)the Drinking Water Quality Regulator for Scotland, by notice to Scottish Water, consents to the removal of the parameter from the list of parameters to be monitored in relation to a supply of water (or in relation to more than one supply of water), and that consent has not been revoked under sub-paragraph (4).

(3) The Drinking Water Quality Regulator for Scotland may not consent, under paragraph (2)(b), to the removal of any of the following from the list of parameters to be monitored:—

(a)enterococci, Escherichia coli, coliform bacteria, colony count 22 °C, colour, turbidity or hydrogen ion concentration (pH);

(b)iron, lead or manganese;

(c)where the water is supplied to premises within a nitrate vulnerable zone, nitrate; or

(d)any other parameter, or other micro-organism, parasite or substance, identified (for the time being) as relevant in the monitoring programme in relation to a supply of water—

(i)by virtue of regulation 5(2); or

(ii)where relevant, through a risk assessment.

(4) The Drinking Water Quality Regulator for Scotland may, by notice to Scottish Water, revoke with immediate effect any consent given by it under sub-paragraph (2)(b).

(5) In sub-paragraph (3) “nitrate vulnerable zone” means any area of land designated as a nitrate vulnerable zone by regulation 2 of the Designation of Nitrate Vulnerable Zones (Scotland) Regulations 2015(15).

PART DSampling methods and sampling points

1.(1) Sampling points, in relation to water, must be determined by Scottish Water so as to ensure that the results of the analysis of discrete water samples collected at those points will establish whether or not the water meets the water quality standards at each point of compliance.

(2) In the case of a supply of water in pipes to any premises used for a commercial or public activity, the sampling points must include a point of compliance within each premises.

(3) In the case of a supply of water in pipes to premises (including any premises used for a commercial or public activity), Scottish Water may take samples of the water within the water supply zone or at a treatment works for a particular parameter—

(a)if it can be demonstrated that there would be no adverse change to the measured value of the parameter concerned; and

(b)in the case of any premises used for a commercial or public activity, the Drinking Water Quality Regulator for Scotland, by notice to Scottish Water, consents to the samples being taken within the water supply zone or at the treatment works for the particular parameter, and that consent has not been revoked under sub-paragraph (6).

(4) In a case where Scottish Water may take samples of the water within the water supply zone or at a treatment works for a particular parameter, the point at which the samples are taken is to be treated for the purposes of these Regulations as the point of compliance for the parameter.

(5) As far as possible, the number of samples must be distributed equally in time and location.

(6) The Drinking Water Quality Regulator for Scotland may, by notice to Scottish Water, revoke with immediate effect any consent given by it under sub-paragraph (3)(b).

2.  Subject to paragraph 1, sampling at the point of compliance must meet the following requirements:—

(a)a sample for copper, lead or nickel must be taken at the consumer’s tap without prior flushing;

(b)a sample for any such parameter or any other chemical parameter must—

(i)be a random daytime sample of one litre volume; or

(ii)use a fixed stagnation time method that better reflects the national situation, provided that, at the water supply zone level, this does not result in fewer cases of non-compliance than using the random daytime method; and

(c)a sample for microbiological parameters at the point of compliance must be taken and handled in accordance with sampling purpose B of European standard EN ISO 19458:2006 entitled “Water quality - Sampling for microbiological analysis (ISO 19458:2006)(16).

3.  Sampling of water in a public water supply system, with the exception of sampling at the consumer’s tap, must be in accordance with international standard ISO 5667-5:2006 entitled “Water quality. Sampling. Guidance on sampling of drinking water from treatment works and piped distribution systems(17).

4.  For microbiological parameters, sampling of water in a public water supply system must be taken and handled in accordance with sampling purpose A of European standard EN ISO 19458:2006 entitled “Water quality - Sampling for microbiological analysis (ISO 19458:2006)”.

PART ERadioactive substances

General principles and monitoring frequencies

1.(1) Subject to sub-paragraph (2), Scottish Water in relation to a supply of water must ensure that the water is monitored for radon, tritium and indicative dose.

(2) Where the Scottish Ministers, by notice to Scottish Water, confirm that they have established that radon, tritium or, as the case may be, indicative dose is not likely to be present in relation one or more supplies of water, for a period specified in the notice, in concentrations which could exceed the prescribed concentration or value for the parameter, Scottish Water is not required to monitor any such supply of water for the parameter during the period specified.

(3) In case of naturally occurring radionuclides—

(a)where previous results show that the concentration of radionuclides in one or more supplies of water is stable, the minimum sampling and analysis frequencies are to be decided by the Scottish Ministers, and confirmed by notice to Scottish Water, taking into consideration the risk to human health; and

(b)where the Scottish Ministers, by notice to Scottish Water, confirm that they are satisfied (on the basis of representative surveys, monitoring data or other reliable information) that levels of radon, tritium and the calculated indicative dose in one or more supplies of water will, for a period specified in the notice, remain below the prescribed concentration or value for each of these parameters at the point of compliance, Scottish Water is not required to monitor any such supply for these parameters during the period specified.

(4) Where sub-paragraph (3)(b) applies, the Scottish Ministers must communicate the grounds for the decision to the European Commission and provide the Commission with the necessary documentation supporting that decision, including the findings of any surveys, monitoring or investigations carried out.

Radon

2.(1) Subject to paragraphs 5 and 6, Scottish Water must ensure that representative surveys are undertaken to determine the scale and nature of likely exposures to radon in the water originating from different types of ground water sources and wells in different geological areas.

(2) The surveys must be designed in such a way that underlying factors, and especially the geology and hydrology of the area, radioactivity of rock or soil, and well type, can be identified and used to direct further action to areas of likely high exposure.

(3) Monitoring of radon concentrations must be carried out if Scottish Water has reason to believe, on the basis of the results of the representative surveys or other reliable information, that the prescribed concentration or value for radon might be exceeded.

Tritium

3.(1) Subject to paragraphs 5 and 6, Scottish Water must monitor the water for tritium where—

(a)an anthropogenic source of tritium or other artificial radionuclides is present within the catchment area for the supply; and

(b)it cannot be shown on the basis of other surveillance programmes or investigations that the level of tritium is below the prescribed concentration or value for tritium.

(2) Where monitoring for tritium is required by sub-paragraph (1), samples must be taken in accordance with paragraph 6.

(3) If the concentration of tritium in any such sample exceeds the prescribed concentration or value for tritium, Scottish Water must carry out an investigation of the presence of other artificial radionuclides.

Indicative dose

4.(1) Scottish Water must monitor the water for indicative dose where—

(a)a source of artificial radioactivity or elevated natural radioactivity is present; and

(b)it cannot be shown on the basis of other representative monitoring programmes or other investigations that the indicative dose is below the prescribed concentration or value for that parameter.

(2) Where sub-paragraph (1) requires monitoring (of radionuclide levels) only in relation to a source of artificial radioactivity, samples must be taken in accordance with paragraph 6.

(3) Where sub-paragraph (1) requires monitoring (of radionuclide levels) in relation to a source of elevated natural radioactivity, Scottish Water must determine the frequency of the monitoring required of—

(a)gross alpha activity;

(b)gross beta activity; or

(c)individual natural radionuclides,

depending on the screening strategy adopted pursuant to Part B of this schedule.

(4) Where sub-paragraph (3) applies, the frequency determined may vary from a single check measurement to the frequency which would otherwise apply by virtue of paragraph 6.

(5) Where a single check for natural radioactivity is specified under sub-paragraph (3), Scottish Water must carry out a further check if any change occurs in relation to the supply which is likely to influence the concentrations of radionuclides in the supply.

Water treatment

5.  Where the water is treated to reduce the level of radionuclides, Scottish Water must monitor the water for indicative dose, radon and tritium in accordance with paragraph 6 to verify the continued efficacy of that treatment.

Minimum sampling and analysis frequencies

6.  The minimum sampling and analysis frequency for the monitoring of radon, tritium and indicative dose in water (where required by this schedule) from a public water supply system or from a tanker or used in a food production undertaking is set out in the following table.

Volume of water (in m3) distributed or produced each day within a water supply zone (Note 1)

Number of samples per year

(Notes 2 and 3)

> 0≤ 1001
> 100≤ 1,0001
> 1,000≤ 10,0001, plus 1 for each 3,300 m3/day and part thereof of the total volume
> 10,000≤ 100,0003, plus 1 for each 10,000 m3/day and part thereof of the total volume
> 100,00010, plus 1 for each 25,000 m3/day and part thereof of the total volume
Note 1: The volumes are calculated as averages taken over a year. The number of inhabitants in a water supply zone may be used instead of the volume of water to determine the minimum frequency, assuming water consumption of 200 litres/day per person.
Note 2: As far as possible, the number of samples must be distributed equally in time and location.
Note 3: In the event of intermittent short-term supply the monitoring frequency of water distributed by tankers must be decided by Scottish Water in relation to the water.
Averaging

7.  Where the prescribed concentration or value for radon, tritium or, as the case may be, indicative dose is exceeded in a sample of the water, the Drinking Water Quality Regulator for Scotland must specify, by notice to Scottish Water, the extent of resampling necessary to ensure that the measured values are representative of an average activity concentration for a full year.

PART FIndicative dose

Monitoring for compliance with the indicative dose

1.(1) Scottish Water, in relation to water, may use reliable screening strategies to indicate the presence of radioactivity in the water.

(2) These strategies may include screening for—

(a)certain radionuclides or an individual radionuclide; or

(b)gross alpha activity or gross beta activity.

Screening for certain radionuclides or for an individual radionuclide

2.(1) Where screening of the water is carried out for certain radionuclides or for an individual radionuclide, Scottish Water must carry out an analysis of additional radionuclides if, in relation to any supply referred to in paragraph 1—

(a)one of the activity concentrations of a radionuclide referred to in the second column of the table below exceeds 20% of the corresponding derived concentration in the third column; or

(b)the tritium concentration exceeds the prescribed concentration or value for tritium.

(2) Scottish Water must, in deciding which radionuclides require to be measured for each supply, take into account all relevant information about likely sources of radioactivity.

OriginRadionuclide (Note 1)Derived concentration (Bq/1)Notes
NaturalU-2383.0Note 2
U-2342.8Note 2
Ra-2260.5
Ra-2280.2
Pb-2100.2
Po-2100.1
ArtificialC-14240
Sr-904.9
Pu-239 / Pu-2400.6
Am-2410.7
Co-6040
Cs-1347.2
Cs-13711
I-1316.2
Note 1: This table includes values for the most common natural and artificial radionuclides. These are precise values, calculated for a dose of 0.1 mSv, an annual intake of 730 litres and using the dose coefficients laid down in Table (A) of Annex III to Council Directive 96/29/Euratom laying down basic safety standards for the protection of the health of workers and the general public against the dangers arising from ionizing radiation(18). Derived concentrations for other radionuclides may be calculated on the same basis.
Note 2: This allows only for the radiological properties of uranium, not for its chemical toxicity.
Screening for gross alpha activity and gross beta activity

3.(1) Scottish Water may use screening strategies for gross alpha activity and gross beta activity (or, where appropriate, residual beta activity after subtraction of the potassium-40 activity) to monitor the water for indicative dose.

(2) Subject to sub-paragraph (3), screening levels must be set at—

(a)0.1 Bq/l for gross alpha activity; and

(b)1.0 Bq/l for gross beta activity.

(3) Scottish Water may set alternative levels to those specified in sub-paragraph (2) if it can demonstrate that these will ensure that an indicative dose of 0.1 mSv is not exceeded.

(4) If the gross alpha activity is less than 0.1 Bq/l and the gross beta activity is less than 1.0 Bq/l, Scottish Water may assume that the indicative dose is less than 0.1 mSv.

(5) Where sub-paragraph (4) applies, Scottish Water is not required to carry out a radiological investigation unless it is aware—

(a)that specific radionuclides are present in the water; and

(b)that these are liable to cause an indicate dose in excess of 0.1 mSv.

(6) If the gross alpha activity exceeds 0.1 Bq/l or the gross beta activity exceeds 1.0 Bq/l, Scottish Water must carry out an analysis for specific radionuclides.

(7) Scottish Water must, in deciding which radionuclides require to be measured for the purposes of sub-paragraph (6), take into account all relevant information about likely sources of radioactivity.

(8) If elevated levels of tritium are detected in a sample, Scottish Water must also measure the gross alpha activity and gross beta activity in that sample.

Calculation of the indicative dose

4.(1) The indicative dose must be calculated from—

(a)the measured radionuclide concentrations and the dose coefficients laid down in Table (A) of Annex III to Council Directive 96/29/Euratom laying down basic safety standards for the protection of the health of workers and the general public against the dangers arising from ionizing radiation; or

(b)more recent information recognised by the Scottish Ministers,

on the basis of an annual intake of water of 730 litres for adults.

(2) Where the following formula is satisfied, Scottish Water may assume that the indicative dose is less than 0.1 mSv and that no further investigation is required:—

where—

  • Ci (obs)” refers to the observed concentration of radionuclide “i”;

  • Ci (der)” refers to derived concentration of radionuclide “i”; and

  • n” refers to the number of radionuclides detected.

Regulation 10

SCHEDULE 2SUBSTITUTION OF SCHEDULE 3 OF THE 2014 REGULATIONS

Regulation 14A(1) and (2)

SCHEDULE 3METHODS OF ANALYSIS

1.(1) Scottish Water must ensure that the methods of analysis used for the purposes of monitoring and demonstrating compliance with these Regulations are validated and documented in accordance with European standard EN ISO/IEC 17025:2005 entitled “General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2005)(19), or other equivalent standards accepted at international level.

(2) Scottish Water must ensure that laboratories or parties contracted by laboratories apply quality management system practices in accordance with European standard EN ISO/IEC 17025:2005 entitled “General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2005)”, or other equivalent standards accepted at international level.

2.  In the absence of an analytical method meeting the minimum performance criteria set out in Part B of this schedule, Scottish Water must ensure that monitoring is carried out using best available techniques not entailing excessive costs.

PART AMicrobiological parameters

1.(1) Subject to sub-paragraph (2), the methods in paragraph 2 are given for reference.

(2) Scottish Water may use other methods, providing the provisions of regulation 14A are met.

2.  The methods for microbiological parameters are—

(a)for Escherichia coli and coliform bacteria—

(i)European standard EN ISO 9308-1:2014 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)(20); or

(ii)European standard EN ISO 9308-2:2014 entitled “Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO 9308-2:2012)(21);

(b)for enterococci, European standard EN ISO 7899-2:2000 entitled “Water quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration method (ISO 7899-2:2000)(22);

(c)for Pseudomonas aeruginosa, European standard EN ISO 16266:2008 entitled “Water quality - Detection and enumeration of Pseudomonas aeruginosa - Method by membrane filtration (ISO 16266:2006)(23);

(d)for colony count 22 °C (the enumeration of culturable microorganisms — colony count after aerobic incubation at 22 °C), European standard EN ISO 6222:1999 entitled “Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999)(24);

(e)for colony count 36 °C (the enumeration of culturable microorganisms — colony count after aerobic incubation at 36 °C), European standard EN ISO 6222:1999 entitled “Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999)”; and

(f)for Clostridium perfringens including spores, European standard EN ISO 14189:2016 entitled “Water quality - Enumeration of Clostridium perfringens - Method using membrane filtration (ISO 14189:2013)(25).

PART BChemical and indicator parameters

1.(1) Subject to paragraph 3, for a parameter in Table 1, the method of analysis used must, as a minimum, be capable of measuring concentrations equal to the prescribed concentration or value for the parameter with—

(a)a limit of quantification of 30 % or less of the prescribed concentration or value for the parameter; and

(b)an uncertainty of measurement as specified in Table 1 for the parameter.

(2) The result of the analysis for a parameter in Table B or Table C must be expressed using at least the same number of significant figures as the prescribed concentration or value for the parameter in the table.

2.  The uncertainty of measurement specified in Table 1 for a parameter must not be used as an additional tolerance to the prescribed concentration or value for the parameter.

3.  Until 31st December 2019, Scottish Water may, for a parameter in Table 2, use the corresponding ‘trueness’, ‘precision’ and ‘limit of detection’ in that table as an alternative set of performance characteristics (instead of using the limit of quantification and the uncertainty of measurement referred to in paragraph 1(1)).

TABLE 1
Minimum performance characteristic: uncertainty of measurement
ParameterUncertainty of measurement (% of prescribed concentration or value, except pH) (Note 1)Notes(26)
Aluminium25
Ammonium40
Antimony40
Arsenic30
Benzo(a)pyrene50Note 5
Benzene40
Boron25
Bromate40
Cadmium25
Chloride15
Chromium30
Conductivity20
Copper25
Cyanide30Note 6
1,2-dichloroethane40
Fluoride20
Hydrogen ion concentration (in pH)0.2Note 7
Iron30
Lead25
Manganese30
Mercury30
Nickel25
Nitrate15
Nitrite20
Oxidisability50Note 8
Pesticides30Note 9
Polycyclic aromatic hydrocarbons30Note 10
Selenium40
Sodium15
Sulphate15
Tetrachloroethene30Note 11
Trichloroethene40Note 11
Trihalomethanes: total40Note 10
Total organic carbon30Note 12
Turbidity30Note 13
TABLE 2
Minimum performance characteristics: trueness, precision and limit of detection
ParameterTrueness (% of prescribed concentration or value, except for pH) (Note 2)Precision (% of prescribed concentration or value, except for pH) (Note 3)Limit of detection (% of prescribed concentration or value, except for pH) (Note 4)Notes(27)
Aluminium101010
Ammonium101010
Antimony252525
Arsenic101010
Benzo(a)pyrene252525
Benzene252525
Boron101010
Bromate252525
Cadmium101010
Chloride101010
Chromium101010
Conductivity101010
Copper101010
Cyanide101010Note 6
1,2-dichloroethane252510
Fluoride101010
Hydrogen ion concentration (in pH)0.20.2Note 7
Iron101010
Lead101010
Manganese101010
Mercury201020
Nickel101010
Nitrate101010
Nitrite101010
Oxidisability252525Note 8
Pesticides252525Note 9
Polycyclic aromatic hydrocarbons252525Note 10
Selenium101010
Sodium101010
Sulphate101010
Tetrachloroethene252510Note 11
Trichloroethene252510Note 11
Trihalomethanes: total252510Note 10
Turbidity252525
Notes to Table 1 and Table 2
Note 1: Uncertainty of measurement is a non-negative parameter characterising the dispersion of the quantity values being attributed to a measurand, based on the information used. The performance criterion for measurement uncertainty (k = 2) is the percentage of the prescribed concentration or value for the parameter stated in the table or better. Measurement uncertainty must be estimated at the level of the prescribed concentration or value for the parameter, unless otherwise specified.
Note 2: Trueness is a measure of systematic error, i.e. the difference between the mean value of the large number of repeated measurements and the true value. Further specifications are those set out in international standard ISO 5725 entitled “Accuracy (trueness and precision) of measurement methods and results”(28).
Note 3: Precision is a measure of random error and is usually expressed as the standard deviation (within and between batches) of the spread of results from the mean. Acceptable precision is twice the relative standard deviation. This term is further specified in international standard ISO 5725 entitled “Accuracy (trueness and precision) of measurement methods and results”.
Note 4: Limit of detection is either three times the standard deviation within a batch of a natural sample containing a low concentration of the parameter, or five times the standard deviation of a blank sample (within a batch).
Note 5: If the value of uncertainty of measurement cannot be met, the best available technique should be selected (up to 60 %).
Note 6: The method determines total cyanide in all forms.
Note 7: Values for trueness, precision and uncertainty of measurement are expressed in pH units.
Note 8: Reference method European standard EN ISO 8467:1995 entitled “Water quality - Determination of permanganate index (ISO 8467:1993)”(29).
Note 9: 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.
Note 10: The performance characteristics apply to individual substances, specified at 25 % of the prescribed concentration or value for the corresponding parameter in Table B.
Note 11: The performance characteristics apply to individual substances, specified at 50 % of the prescribed concentration or value for the corresponding parameter in Table B.
Note 12: The uncertainty of measurement should be estimated at the level of 3 mg/l of the total organic carbon in accordance with European standard EN 1484:1997 entitled “Water analysis - Guidelines for the determination of total organic carbon and dissolved organic carbon”(30).
Note 13: The uncertainty of measurement must be estimated at the level of 1.0 nephelometric turbidity units in accordance with European standard EN ISO 7027-1:2016 entitled “Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016)”(31).

PART CIndicative dose

For each parameter in Table 3, the method of analysis used must be capable of measuring activity concentrations with at least the limit of detection specified for that parameter in the second column of the table.

TABLE 3
Minimum performance characteristics: limit of detection
ParameterLimit of detection (in Bq/l) (Notes 1 and 2)Notes
Tritium10Note 3
Radon10Note 3
gross alpha activity0.04Note 4
gross beta activity0.4Note 4
U-2380.02
U-2340.02
Ra-2260.04
Ra-2280.02Note 5
Pb-2100.02
Po-2100.01
C-1420
Sr-900.4
Pu-239 / Pu-2400.04
Am-2410.06
Co-600.5
Cs-1340.5
Cs-1370.5
I-1310.5
Notes to Table 3
Note 1: The limit of detection must be calculated in accordance with the international standard ISO 11929:2010 entitled “Determination of the characteristic limits (decision threshold, detection limit and limits of the confidence interval) for measurements of ionising radiation - Fundamentals and application”(2), with probabilities of errors of 1st and 2nd kind of 0.05 each.
Note 2: Measurement uncertainties must be calculated and reported as complete standard uncertainties, or as expanded standard uncertainties with an expansion factor of 1.96, in accordance with international standard ISO/IEC Guide 98-3:2008 entitled “Guide to the expression of uncertainty in measurement”(3).
Note 3: The limit of detection for tritium and for radon is 10% of the corresponding prescribed concentration or value for the parameter.
Note 4: The limit of detection for gross alpha activity and gross beta activities is 40% of the screening values of 0.1 Bq/l and 1.0 Bq/l respectively.
Note 5: This limit of detection applies only to initial screening for indicative dose for a new water source. If initial checking indicates that it is unlikely that Ra-228 exceeds 20% of the derived concentration, the limit of detection may be increased to 0.08 Bq/l for routine Ra-228 nuclide specific measurements, until a subsequent re-check is required.

EXPLANATORY NOTE

(This note is not part of the Regulations)

These Regulations aim to protect human health from the adverse effects of any contamination of water intended for human consumption by ensuring that the water meets water quality standards.

These Regulations amend the Public Water Supplies (Scotland) Regulations 2014(32) (“the 2014 Regulations”) pursuant to the further implementation of—

  • Council Directive 98/83/EC on the quality of water intended for human consumption(33) including, in particular, the amendments made by Commission Directive (EU) 2015/1787 amending Annexes II and III to Council Directive 98/83/EC on the quality of water intended for human consumption(34); and

  • Council Directive 2013/51/EURATOM laying down requirements for the protection of the health of the general public with regard to radioactive substances in water intended for human consumption(35).

In particular, these Regulations amend the 2014 Regulations as follows—

  • regulation 2 amends Part 1 (general);

  • regulation 3 amends Part 3 (wholesomeness of public water supplies);

  • regulation 4 amends Part 4 (monitoring of public water supplies);

  • regulation 5 amends Part 8 (treatment, risk assessment and contamination from pipes);

  • regulation 6 amends Part 14 (local authority functions: public water supplies);

  • regulation 7 inserts a new schedule 1A (monitoring: minimum requirements);

  • regulation 8 amends schedule 2 (monitoring);

  • regulation 10 substitutes a new schedule 3 (methods of analysis);

  • regulations 9 and 11 omit schedules 2A and 3A as these are no longer needed; and

  • regulations 12 makes consequential revocations.

The 2014 Regulations as amended, except where they state otherwise, apply only in relation to—

  • water introduced into, or supplied through or from, the public water supply system;

  • water supplied by Scottish Water by any other means; and

  • water supplied with the help of services provided by Scottish Water.

A business and regulatory impact assessment has been prepared for these Regulations. A copy of this may be obtained from the Scottish Government, Victoria Quay, Leith, Edinburgh EH6 6QQ and online at www.legislation.gov.uk.

(1)

1980 c.45. Sections 76F(5) and (6) and 76J were inserted by section 168 and schedule 22 of the Water Act 1989 (c.15). Section 76F(5) and (6) was amended by paragraph 119(42) of schedule 13 of the Local Government etc. (Scotland) Act 1994 (c.39). Section 76J was amended by paragraph 119(45) of schedule 13 of the Local Government etc. (Scotland) Act 1994 (c.39). Section 101(1A) was inserted by section 27(1) and paragraph 9(5) of schedule 10 of the Natural Heritage (Scotland) Act 1991 (c.28). The definition of “prescribed” in section 109(1) was amended by paragraph 38(f) of schedule 11 of the Local Government Finance Act 1992 (c.14). The functions conferred on the Secretary of State under sections 76F(5) and (6), 76J, 101(1) and (1A) and 109(1) of the Water (Scotland) Act 1980 are, so far as they are exercisable within devolved competence, exercisable by the Scottish Ministers by virtue of section 53 of the Scotland Act 1998 (c.46).

(2)

1972 c.68. Section 2(2) was amended by the Scotland Act 1998 (c.46) (“the 1998 Act”), schedule 8, paragraph 15(3) (which was amended by section 27(4) of the Legislative and Regulatory Reform Act 2006 (c.51) (“the 2006 Act”)). Section 2(2) was also amended by section 27(1)(a) of the 2006 Act and by the European Union (Amendment) Act 2008 (c.7) (“the 2008 Act”), schedule, Part 1. Paragraph 1A of schedule 2 was inserted by the 2006 Act, section 28 and amended by the 2008 Act, schedule, Part 1. The functions conferred on a Minister of the Crown under section 2(2) of the European Communities Act 1972 are, so far as they are exercisable within devolved competence, exercisable by the Scottish Ministers by virtue of section 53 of the 1998 Act. Section 2(2) is cited so far as is necessary (to supplement the other powers cited) for the purposes of implementing, or enabling the implementation of, obligations arising under or by virtue of Directive 98/83/EC and Directive 2013/51/EURATOM. In particular, section 2(2) is cited so far as is necessary to enable the making of the provision in regulation 4(7) which confers a power of direction on the Drinking Water Regulator for Scotland.

(5)

2002 asp 3. Section 30 was amended by section 21(2) of the Water Services etc. (Scotland) Act 2005 (asp 3).

(7)

OJ L 330, 5.12.1998, p.32, as amended by Regulation (EC) No 1882/2003 of the European Parliament and of the Council (OJ L 284, 31.10.2003, p.1), Regulation (EC) No 596/2009 of the European Parliament and of the Council (OJ L 188, 18.7.2009, p.14), Commission Directive (EU) 2015/1787 (OJ L 260, 7.10.2015, p.6) and Corrigendum (OJ L 111, 20.4.2001, p.31).

(8)

OJ L 139 30.4.2004, p.1 as last amended by Regulation (EC) No 219/2009 (OJ L 87, 31.3.2009, p.109).

(9)

The competent authority is Food Standards Scotland or, where Food Standards Scotland has delegated this function to a local authority, the relevant local authority. See S.S.I. 2006/3, relevantly amended by S.S.I. 2015/100.

(11)

Section 109(1) (interpretation) of the 1980 Act provides that, in that Act, “wholesome” and cognate expressions (subject to any express provision or anything in the context to the contrary) are to be construed subject to the provisions of any regulations made under section 76J (standards of wholesomeness) of that Act. Since the provisions in regulation 4(1) and (4) of these Regulations were made under that section 76J, these expressions must be construed subject to those provisions.

(13)

This standard was approved by the European Committee for Standardization (CEN) on 5th 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).

(16)

This standard was approved by the European Committee for Standardization (CEN) on 1st July 2006. Under reference BS EN ISO 19458, it is published as a UK standard by the British Standards Institution (ISBN 0 580 49136 6).

(17)

This standard was approved by the International Organization for Standardization (ISO). Under reference BS ISO 5667-5:2006, it is published as a UK standard by the British Standards Institution (ISBN 0 580 47140 3).

(18)

OJ L 159, 29.6.1996, p.1, as amended by Corrigendum (OJ L 314, 4.12.1996, p.20).

(19)

This standard was approved by the European Committee for Standardization (CEN) on 15th March 2005. Under reference BS EN ISO/IEC 17025:2005, it is published as a UK standard by the British Standards Institution (ISBN 0 580 46330 3).

(20)

This standard was approved by the European Committee for Standardization (CEN) on 18th 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).

(21)

This standard was approved by the European Committee for Standardization (CEN) on 11th 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).

(22)

This standard was approved by the European Committee for Standardization (CEN) on 11th 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).

(23)

This standard was approved by the European Committee for Standardization (CEN) on 11th 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).

(24)

This standard was approved by the European Committee for Standardization (CEN) on 16th 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).

(25)

This standard was approved by the European Committee for Standardization (CEN) on 15th 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).

(26)

Acrylamide, epichlorohydrin and vinyl chloride to be controlled by product specification.

(27)

Acrylamide, epichlorohydrin and vinyl chloride to be controlled by product specification.

(28)

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.

(29)

This standard was approved by the European Committee for Standardization (CEN) on 3rd 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).

(30)

This standard was approved by the European Committee for Standardization (CEN) on 6th 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).

(31)

This standard was approved by the European Committee for Standardization (CEN) on 15th 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).

(33)

OJ L 330, 5.12.98, p.32, as amended by Corrigendum (OJ L 111, 20.4.2001, p.31), Regulation (EC) No 1882/2003 (OJ L 284, 31.10.2003, p.1), Regulation (EC) No 596/2009 (OJ L 188, 18.7.2009, p.14) and Commission Directive (EU) 2015/1787 (OJ L 260, 7.10.2015, p.6).

(34)

OJ L 260, 7.10.2015, p.6.

(35)

OJ L 296, 7.11.2013, p.12.

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