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Regulation 9
Textual Amendments
F1Sch. 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)
1.—(1) A local authority must monitor for a Group A parameter in accordance with this Part and Part 2A.
(2) 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—
(a)determine whether or not the 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.
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 |
2. Monitoring for a Group A parameter must be undertaken at the frequencies specified in Table 2.
Volume m3/day | Sampling frequency per year |
---|---|
≤ 10 | 1 |
> 10 ≤ 100 | 2 |
> 100 ≤ 1,000 | 4 |
> 1,000 ≤ 2,000 | 10 |
> 2,000 ≤ 3,000 | 13 |
> 3,000 ≤ 4,000 | 16 |
> 4,000 ≤ 5,000 | 19 |
> 5,000 ≤ 6,000 | 22 |
> 6,000 ≤ 7,000 | 25 |
> 7,000 ≤ 8,000 | 28 |
> 8,000 ≤ 9,000 | 31 |
> 9,000 ≤ 10,000 | 34 |
> 10,000 | 4 + 3 for each 1,000m3/day of the total volume (rounding up to the nearest multiple of 1,000m3/day) |
3.—(1) A local authority must monitor for a Group B parameter in accordance with this Part and Part 2A.
(2) In this Schedule, “monitoring for a Group B parameter” means sampling for each parameter listed in Parts 1 and 2 of Schedule 1 (other than Group A parameters already being sampled under Part 1 of this Schedule)—
(a)in order to provide information necessary to determine whether or not the private water supply satisfies each concentration, value or state prescribed in those Parts of that Schedule; and
(b)if disinfection is used, in order to check that disinfection by-products are kept as low as possible without compromising the effectiveness of disinfection.
4. Monitoring for a Group B parameter must be undertaken at the frequencies specified in Table 3.
Volume m3/day | Sampling frequency per year |
---|---|
≤ 10 | 1 |
> 10 ≤ 3,300 | 2 |
> 3,300 ≤ 6,600 | 3 |
> 6,600 ≤ 10,000 | 4 |
> 10,000 ≤ 100,000 | 3 + 1 for each 10,000m3/day of the total volume (rounding up to the nearest multiple of 10,000m3/day) |
> 100,000 | 12 + 1 for each 25,000m3/day of the total volume (rounding up to the nearest multiple of 25,000m3/day) |
5.—(1) When monitoring for a Group A or Group B parameter, a local authority may reduce the sampling frequency in respect of any parameter in Group A or Group B other than E. coli provided that—
(a)the results from samples taken in respect of that parameter collected at regular intervals over a period of at least three years are all at less than 60% of the parametric value;
(b)the results of a risk assessment described in regulation 6(l) are considered, and that risk assessment indicates that no factor can be reasonably anticipated to be likely to cause deterioration of the quality of the water;
(c)data collected in the course of discharging its monitoring obligations under this Part are taken into account; and
(d)at least one sample is taken per year.
(2) A local authority may cease to monitor for a Group A or Group B parameter other than E. coli provided that—
(a)the results from samples taken in respect of that parameter collected at regular intervals over a period of at least three years are all at less than 30% of the parametric value;
(b)the results of a risk assessment described in regulation 6(l) are considered, and that risk assessment indicates that no factor can be reasonably anticipated to be likely to cause deterioration of the quality of the water; and
(c)data collected in the course of discharging its monitoring obligations under this Part are taken into account.
(3) A local authority may set a higher frequency for any parameter if it considers it appropriate, taking into account the findings of any risk assessment, and may monitor anything else identified in the risk assessment.]
Textual Amendments
F2Words in Sch. 2 Pt. 3 heading substituted (11.7.2018) by The Private Water Supplies (England) (Amendment) Regulations 2018 (S.I. 2018/707), regs. 1(1), 2(10)(b)(i) (with reg. 3)
1 The volumes are calculated as averages taken over a calendar year. | ||
Volume1of water produced in bottles or containers each day (m3) | [F3Number of samples to be taken per year when monitoring for a Group A parameter] | [F4Number of samples to be taken per year when monitoring for a Group B parameter] |
---|---|---|
≤10 | 1 | 1 |
>10≤ 60 | 12 | 1 |
>60 | 1 for each 5m3/day of the total volume (rounding up to the nearest multiple of 5m3/day) | 1 for each 100 m3/day of the total volume (rounding up to the nearest multiple of 100 m3/day) |
Textual Amendments
F3Words in Sch. 2 Pt. 3 substituted (11.7.2018) by The Private Water Supplies (England) (Amendment) Regulations 2018 (S.I. 2018/707), regs. 1(1), 2(10)(b)(ii)(aa) (with reg. 3)
F4Words in Sch. 2 Pt. 3 substituted (11.7.2018) by The Private Water Supplies (England) (Amendment) Regulations 2018 (S.I. 2018/707), regs. 1(1), 2(10)(b)(ii)(bb) (with reg. 3)
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