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Regulation 3

Original text. Later amendments are not shown.

(1)

This regulation has effect subject to the provisions of Part III.

(2)

Water supplied to any premises from a private supply for such domestic purposes as consist in or include drinking, washing or cooking or for food production purposes shall be regarded as wholesome for the purposes of Chapter III of Part III of the Water Industry Act 1991, as it applies to the supply of water for any of those purposes, if the requirements of paragraph (3) are satisfied; and, where the water has been softened or desalinated and is supplied for drinking or cooking or for food production purposes, the requirements of paragraph (4) are also satisfied.

(3)

The requirements of this paragraph are–

(a)

that the water does not contain any element, organism or substance (other than a parameter) at a concentration or value which would be detrimental to public health;

(b)

that the water does not contain any element, organism or substance (whether or not a parameter) at a concentration or value which in conjunction with any other element, organism or substance it contains (whether or not a parameter) would be detrimental to public health;

(c)

that the water does not have a concentration or value of any parameter listed in Tables A to C in excess of the prescribed concentration or value;

(d)

in respect of any parameter listed in Table D that–

(i)

samples taken over the preceding 12 months in relation to that parameter have established that the average concentration or value did not exceed the prescribed concentration or value;

(ii)

where only one sample is taken in that period in relation to that parameter, the concentration or value did not exceed the prescribed concentration or value; or

(iii)

where no sample is taken in that period in relation to that parameter, the concentration or value for any sample taken in relation to that parameter in the current year does not exceed the prescribed concentration or value;

(e)

in respect of trihalomethanes that–

(i)

samples taken over the preceding quarter in relation to trihalomethanes have established that the average concentration did not exceed 100 μg/l;

(ii)

where only one sample is taken in that period in relation to that parameter, the concentration did not exceed 100 μg/l; or

(iii)

where no sample is taken in that period in relation to that parameter, the concentration for any sample taken in relation to that parameter in the current quarter does not exceed 100 μg/l.

(4)

The requirements of this paragraph are that the water’s hardness and its alkalinity are not below the relevant minimum concentrations specified in Table E.