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The Water Supply (Water Quality) Regulations 2016
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Changes over time for: PART1
Version Superseded: 29/03/2019
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- 11/07/2018- Amendment
- 11/07/2018
Point in time - 29/03/2019- Amendment
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Point in time view as at 11/07/2018.
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There are currently no known outstanding effects for the The Water Supply (Water Quality) Regulations 2016, PART1.
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[F1PART 1E+WGroup A and Group B parameters
Textual Amendments
F1Sch. 3 substituted (11.7.2018) by The Water Supply (Water Quality) (Amendment) Regulations 2018 (S.I. 2018/706), regs. 1(1), 2(13)
Table 1
Group A parameters and circumstances for monitoring
| (1) Item number | (2) Parameter | (3) Circumstances |
|---|---|---|
(1) Sampling for this parameter in water supply zones may be substituted by sampling at supply points. | ||
| 1 | Aluminium | Where used as a water treatment chemical or where the water originates from, or is influenced by, surface waters |
| 2 | Ammonium | Where chloramination is practised |
| 3 | Coliform bacteria | In all circumstances |
| 4 | Colony counts 22°C | In all circumstances |
| 5 | Colour | In all circumstances |
| 6 | Conductivity | In all circumstances |
| 7 | E. coli | In all circumstances |
| 8 | Hydrogen ion | In all circumstances |
| 9 | Iron | Where used as a water treatment chemical or where the water originates from, or is influenced by, surface waters |
| 10 | Manganese | Where the water originates from, or is influenced by, surface waters |
| 11 | Nitrate | Where chloramination is practised |
| 12 | Nitrite | Where chloramination is practised |
| 13 | Odour | In all circumstances |
| 14 | Residual disinfectant | In all circumstances |
| 15 | Taste | In all circumstances |
| 16 | Turbidity | In all circumstances |
Table 2
Group B1 parameters and circumstances for monitoring to be used for sampling in water supply zones (or supply points)
| (1) Item number | (2) Parameter | (3) Circumstances |
|---|---|---|
(1) Sampling for these parameters may be within water supply zones (Group B1) or at supply points (Group B2). | ||
(2) Monitoring of this parameter in water supply zones is required only where sodium hypochlorite is added after water has left the treatment works. In other circumstances, monitoring is required at supply points (see Group B2). | ||
(3) To monitor for indicative dose. | ||
(4) In the event that a single sample is taken in a year, a further sample must be taken if there is any change in relation to that supply that could affect the concentration of radionuclides in the water supply. | ||
| 1 | Aluminium | Where not used as a water treatment chemical or where the water neither originates from, nor is influenced by, surface waters |
| 2 | Ammonium | Where chloramination is not practised |
| 3 | Antimony | In all circumstances |
| 4 | Arsenic | In all circumstances |
| 5 | Benzene | In all circumstances |
| 6 | Benzo(a)pyrene | In all circumstances |
| 7 | Boron | In all circumstances |
| 8 | Bromate | In all circumstances |
| 9 | Cadmium | In all circumstances |
| 10 | Chloride | In all circumstances |
| 11 | Chromium | In all circumstances |
| 12 | Clostridium perfringens (including spores) | In all circumstances |
| 13 | Copper | In all circumstances |
| 14 | Cyanide | In all circumstances |
| 15 | 1, 2 dichloroethane | In all circumstances |
| 16 | Enterococci | In all circumstances |
| 17 | Fluoride | In all circumstances |
| 18 | Gross alpha | In all circumstances |
| 19 | Gross beta | In all circumstances |
| 20 | Iron | Where not used as a water treatment chemical or where the water neither originates from, nor is influenced by, surface waters |
| 21 | Lead | In all circumstances |
| 22 | Manganese | Where the water neither originates from, nor is influenced by, surface waters. |
| 23 | Mercury | In all circumstances |
| 24 | Nickel | In all circumstances |
| 25 | Nitrate | Where chloramination is not practised |
| 26 | Nitrite | Where chloramination is not practised |
| 27 | Pesticides and related products | In all circumstances |
| 28 | Polycyclic aromatic hydrocarbon | In all circumstances |
| 29 | Radon | In all circumstances |
| 30 | Selenium | In all circumstances |
| 31 | Sodium | In all circumstances |
| 32 | Sulphate | In all circumstances |
| 33 | Tetrachloroethene | In all circumstances |
| 34 | Tetrachloromethane | In all circumstances |
| 35 | Total organic carbon | In all circumstances |
| 36 | Trichloroethene | In all circumstances |
| 37 | Trihalomethanes: Total | In all circumstances |
| 38 | Tritium | In all circumstances |
Table 3
Group B2 parameters and circumstances for monitoring to be used for sampling at works or supply points
| (1) Item number | (2) Parameter | (3) Circumstances |
|---|---|---|
(1) Sampling for these parameters may be within water supply zones (Group B1) or at supply points (Group B2). | ||
(2) Monitoring is required at supply points where sodium hypochlorite is not added after water has left the treatment works. In other circumstances, see Group B1. | ||
(3) To monitor for indicative dose. | ||
(4) In the event that a single sample is taken in a year, a further sample must be taken if there is any change in relation to that supply that could affect the concentration of radionuclides in the water supply. | ||
| 1 | Benzene | In all circumstances |
| 2 | Boron | In all circumstances |
| 3 | Bromate | In all circumstances |
| 4 | Chloride | In all circumstances |
| 5 | Clostridium perfringens (including spores) | In all circumstances |
| 6 | Cyanide | In all circumstances |
| 7 | 1, 2 dichloroethane | In all circumstances |
| 8 | Fluoride | In all circumstances |
| 9 | Gross alpha | In all circumstances |
| 10 | Gross beta | In all circumstances |
| 11 | Indicative dose | In all circumstances |
| 12 | Mercury | In all circumstances |
| 13 | Nitrite | When chloramination is not practised |
| 14 | Pesticides and related products | In all circumstances |
| 15 | Radon | In all circumstances |
| 16 | Sulphate | In all circumstances |
| 17 | Tetrachloroethene | In all circumstances |
| 18 | Tetrachloromethane | In all circumstances |
| 19 | Total organic carbon | In all circumstances |
| 20 | Trichloroethene | In all circumstances |
| 21 | Tritium | In all circumstances |
Table 4
Group A1 parameters
| (1) Item number | (2) Parameter |
|---|---|
| 1 | Coliform bacteria |
| 2 | E. coli |
| 3 | Residual disinfectant |
Table 5
Group A2 parameters
| (1) Item number | (2) Parameter |
|---|---|
| 1 | Coliform bacteria |
| 2 | Colony counts 22°C |
| 3 | E. coli |
| 4 | Nitrite |
| 5 | Residual disinfectant |
| 6 | Turbidity |
Table 6
Group A3 parameters
| (1) Item number | (2) Parameter |
|---|---|
| 1 | Conductivity |
Table 7
Group A4 parameters
| (1) Item number | (2) Parameter |
|---|---|
| 1 | Aluminium |
| 2 | Ammonium |
| 3 | Colony counts 22°C |
| 4 | Colour |
| 5 | Conductivity |
| 6 | Hydrogen ion |
| 7 | Iron |
| 8 | Manganese |
| 9 | Nitrate |
| 10 | Nitrite |
| 11 | Odour |
| 12 | Taste |
| 13 | Turbidity] |
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