Paragraph 1 Monitoring for Group A parametersF1
United Kingdom
A local authority must monitor for a Group A parameter in accordance with this Part and Part 2A.
In this Schedule, “monitoring for a Group A parameter” means sampling for each parameter listed in Column 1 of Table 1 in the circumstances listed in the entry which corresponds with that parameter in Column 2 of Table 1 in order to—
determine whether or not the water complies with the concentrations or values in Schedule 1;
provide information on the organoleptic and microbiological quality of the water; and
establish the effectiveness of the treatment of the water, including disinfection.
Table 1
Group A parameters
| Parameter | Circumstances |
|---|---|
| Aluminium | Where used as a water treatment chemical or where the water originates from, or is influenced by, surface waters |
| Ammonium | Where chloramination is practised |
| Coliform bacteria | In all supplies |
| Colony counts 22°C | In all supplies |
| Colour | In all supplies |
| Conductivity | In all supplies |
| E. coli | In all supplies |
| Hydrogen ion | In all supplies |
| Iron | Where used as a water treatment chemical or where the water originates from, or is influenced by, surface waters |
| Manganese | Where the water originates from, or is influenced by, surface waters |
| Nitrate | Where chloramination is practised |
| Nitrite | Where chloramination is practised |
| Odour | In all supplies |
| Taste | In all supplies |
| Turbidity | In all supplies |
Annotations
Textual amendments
- F1
Sch. 2 Pts. 1-2A substituted for Sch. 2 Pts. 1-2 (11.7.2018) by The Private Water Supplies (England) (Amendment) Regulations 2018 (S.I. 2018/707), regs. 1(1), 2(10)(a) (with reg. 3)