In these Regulations—

• “appropriate district council”—

  1. a

     in relation to a departure authorised under regulation 24 or 25 or an application for any such authorisation, means the district council whose area contains any part of the water supply zone to which the authorisation relates or, in the case of an application, would apply if a departure were authorised in the terms sought; or

  2. b

     in relation to such an event as is mentioned in regulation 37(6) means the district council in whose area the event occurs;

• “appropriate health and social care trust” in relation to a departure authorised under regulation 24 or 25 or an application for any such authorisation, means the social care trust, respectively, whose area contains any part of the water supply zone to which the authorisation relates or, in the case of an application, would apply if a departure were authorised in the terms sought;

• “blending point” means a point at which water originating from two or more sources and treated for the purposes of their supply for regulation 5(1) purposes are combined under conditions that are designed to secure that, after such combination, the requirements of regulation 5(2) are met;

• “Chapter III” means Chapter III (quality and sufficiency of supply) of part IV (Water Supply) of the 2006 Order;

• “consumer” means a person to whom water is supplied for regulation 5(1) purposes by a water undertaker in the discharge of its duties under Part IV of the 2006 Order;

• “departure” means a permitted value outside the prescribed concentration or value(s);

• “disinfection” means a process of water treatment to remove; or render harmless to human health; every pathogenic micro-organism and pathogenic parasite that would otherwise be present in the water; and “disinfected” shall be construed accordingly;

• “District Council” means a District Council as established under Part I of the Local Government Act (Northern Ireland) 1972 5;

• “groundwater” means water contained in underground strata, or in—

  1. a

     a well, borehole or other similar work sunk into underground strata, including any adit or passage constructed in connection with the well, borehole or work for facilitating the collection of water in the well, borehole, or work; or

  2. b

     any excavation into underground strata where the level of water in the excavation depends wholly or mainly on water entering it from the strata;

• “Health and Social Care Trust” means a trust established under Article 10 of the Health and Personal Social Services (Northern Ireland) Order 19916;

• “indicative dose” or “ID” means the committed effective dose for one year of ingestion resulting from all the radionuclides whose presence has been detected in a supply of water intended for human consumption, of natural and artificial origin, but excluding tritium, potassium-40, radon and short-lived radon decay products;

• “indicator parameter” means a parameter listed in Schedule 2;

• “limit of detection” means the output signal or concentration value above which it can be reasonably determined, with a stated level of confidence that a sample is different from a blank sample containing no determinand of interest;

• “limit of quantification” means a stated multiple of the limit of detection at a concentration of the determinand that can reasonably be determined with an acceptable level of accuracy and precision;

• “parameter” means a property, element, organism or substance listed in the second column of Table A or Table B in Schedule 1, or in Schedule 2;

• “pesticides and related products” means any of the following, and includes their relevant metabolites, degradation and reaction products—

  1. a

     any organic insecticide;

  2. b

     any organic herbicide;

  3. c

     any organic fungicide;

  4. d

     any organic nematocide;

  5. e

     any organic acaricide;

  6. f

     any organic algicide;

  7. g

     any organic rodenticide;

  8. h

     any organic slimacide; and

  9. i

     any product related to any of (a) to (h) (including any growth regulator);

• “prescribed concentration or value”, in relation to any parameter, means the maximum or minimum concentration or value specified in relation to that parameter in Table A or Table B in Schedule 1 as measured by reference to the unit of measurement so specified, and as read, where appropriate, with the notes to those Tables;

• “regulation 5(1) purposes”, in relation to the supply of water, means purposes defined in regulation 5(1) of these regulations;

• “a risk assessment” is an assessment carried out under regulation 30;

• “sampling point” –

  1. a

     in relation to water supplied from a distribution network, means a point, being a consumer’s tap, that is selected for the purposes of Part 4; or

  2. b

     in relation to water supplied from a tanker, means the point at which the water emerges from the tanker;

• “specification”, in relation to an indicator parameter, means the concentration, value or state, shown as applicable to that parameter in Schedule 2 as measured by reference to the unit of measurement so shown;

• “state”, in relation to an indicator parameter, means the state specified in relation to that parameter in Schedule 2 as measured by reference to the unit of measurement so specified;

• “supply point” means a blending point, service reservoir, treatment works or other point, not being a sampling point, which the Department authorises for the purposes of regulation 8;

• “supply system” is to be construed in accordance with Part I Article 2 (9) of the 2006 Order;

• “the Department” means the Department of Agriculture, Environment and Rural Affairs;

• “the Directive” means Council Directive 98/83/EC of 3 November 1998 on the quality of water intended for human consumption7 as amended by Commission Directive (EU) 2015/1787 of 6 October 20158;

• “the 2006 Order” means the Water and Sewerage Services (Northern Ireland) Order 20069;

• “the 2007 Regulations” means The Water Supply (Water Quality) Regulations (Northern Ireland) 200710;

• “uncertainty of measurement” is defined as a non-negative parameter characterising the dispersion of the quantity values being attributed to a measurand, based on the information used;

• “underground strata” means strata subjacent to the surface of any land, and any reference to water contained in any underground strata is a reference to water so contained otherwise than in a public sewer, pipe, reservoir, tank or underground works contained in any such strata;

• “water undertaker” is a relevant undertaker appointed under Article 13 of the 2006 Order;

• “water supply zone” in relation to a water undertaker and a year, means an area designated for that year by that water undertaker in accordance with regulation 4; and

• “year” means calendar year.

Subject to paragraph (3), references in these Regulations to a service reservoir are references to any structure, other than a structure at a treatment works, in which a reserve of water that has been treated with a view to complying with the requirements of regulation 5 is contained and stored for the purpose of meeting a variable demand for the supply of water.

The Interpretation Act (Northern Ireland) 1954 shall apply to these Regulations as it applies to an Act of the Northern Ireland Assembly11.