Sampling
This section has no associated Explanatory Memorandum
1.—(1) The Department must monitor for a Group A parameter in accordance with this Part.
(2) “Monitoring for a Group A parameter” means sampling for—
(a)each parameter listed in column 1 of Table 1 of this Schedule in the circumstances listed in the entry which corresponds with that parameter in column 2 of Table 1 of this Schedule; and
(b)any other parameter which may be identified as relevant by the Department in the monitoring programme.
TABLE 1
Group A parameters
| (1) Parameter | (2) Circumstances |
|---|---|
(1) A supply which consists of both groundwater and surface water shall be deemed to be a supply which consists only of surface water. | |
| Aluminium(1) | If used as water treatment chemicals or where the water originates from, or is influenced by, surface waters |
| Ammonium | Where chloramination is practised |
| Coliform bacteria | In all supplies |
| Colony Counts | In all supplies |
| Colour | In all supplies |
| Conductivity | In all supplies |
| Disinfectant residual | When disinfection treatment is practised |
| Escherichia coli (E. coli) | In all supplies |
| Indicative Dose | Where there is treatment in place to reduce the level of radionuclides in water intended for human consumption. |
| Iron(1) | If used as water treatment chemicals or where the water originates from, or is influenced by, surface waters |
| Manganese(1) | Where the water originates from, or is influenced by, surface waters |
| Nitrite | Where chloramination is practised |
| Odour | In all supplies |
| pH (Hydrogen ion) | In all supplies |
| Radon | Where there is treatment in place to reduce the level of radionuclides in water intended for human consumption. |
| Taste | In all supplies |
| Tritium | Where there is treatment in place to reduce the level of radionuclides in water intended for human consumption. |
| Turbidity | In all supplies |