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Status:
Dyma’r fersiwn wreiddiol (fel y’i gwnaed yn wreiddiol).
Sampling
1.—(1) A local authority must undertake monitoring for Group A parameters in accordance with this Part.
(2) “Monitoring for Group A parameters” means sampling for each parameter listed in column 1 of Table 1 in the circumstances listed in the corresponding entry for that parameter in column 2 of that Table, in order to—
(a)determine whether or not water complies with the concentrations or values in Schedule 1;
(b)provide information on the organoleptic and microbiological quality of the water; and
(c)establish the effectiveness of the treatment of the water, including disinfection.
Table 1
Group A parameters
Parameter
| Circumstances
|
---|
Aluminium | If used as a water treatment chemical |
Ammonium | If chloramination is used |
Clostridium perfringens (including spores) | Where the water originates from, or is influenced by, surface waters |
Coliform bacteria | In all supplies |
Colony counts | In all supplies |
Colour | In all supplies |
Conductivity | In all supplies |
Escherichia coli (E. coli) | In all supplies |
Hydrogen ion concentration | In all supplies |
Iron | If used as a water treatment chemical |
Manganese | Where the water originates from, or is influenced by, surface waters |
Nitrate | If chloramination is used |
Nitrite | If chloramination is used |
Odour | In all supplies |
Pseudomonas aeruginosa | Only in the case of water in bottles or containers |
Taste | In all supplies |
Turbidity | In all supplies |
Yn ôl i’r brig