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There are currently no known outstanding effects for the The Water Supply (Water Quality) Regulations 2016, SCHEDULE 1.
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Regulation 2
Part I: Directive requirements
(1) | (2) | (3) | (4) | (5) |
---|---|---|---|---|
Item | Parameters | Concentration or value (maximum) | Units of measurement | Point of compliance |
1. | Enterococci | 0 | number/100ml | Consumers' taps |
2. | Escherichia coli | 0 | number/100ml | Consumers' taps |
(E. coli) |
Part II: National requirements
1 Compliance required as to 95% of samples from each service reservoir (regulation 4(6)). | ||||
(1) | (2) | (3) | (4) | (5) |
---|---|---|---|---|
Item | Parameters | Concentration or value (maximum) | Units of measurement | Point of compliance |
1. | Coliform bacteria | 0 | number/100ml | Service reservoirs1 and water treatment works |
2. | Escherichia coli (E. coli) | 0 | number/100ml | Service reservoirs and water treatment works |
Part I: Directive requirements
1 The parametric value refers to the residual monomer concentration in the water as calculated according to specifications of the maximum release from the corresponding polymer in contact with the water. This is controlled by product specification. | ||||
2 See also regulation 4(2)(d). | ||||
3 See the definition of “pesticides and related products” in regulation 2. | ||||
4 The parametric value applies to each individual pesticide. | ||||
5 “Pesticides: total” means the sum of the concentrations of the individual pesticides detected and quantified in the monitoring procedure. | ||||
6 The specified compounds are—
| ||||
7 The parametric value applies to the sum of the concentrations of the individual compounds detected and quantified in the monitoring process. | ||||
8 The specified compounds are—
| ||||
(1) | (2) | (3) | (4) | (5) |
---|---|---|---|---|
Item | Parameters | Concentration or value (maximum) | Units of measurement | Point of compliance |
1. | Acrylamide | 0.10 | µg/1 | 1 |
2. | Antimony | 5.0 | µgSb/1 | Consumers' taps |
3. | Arsenic | 10 | µgAs/1 | Consumers' taps |
4. | Benzene | 1.0 | µg/1 | Consumers' taps |
5. | Benzo(a)pyrene | 0.010 | µg/1 | Consumers' taps |
6. | Boron | 1.0 | mgB/1 | Consumers' taps |
7. | Bromate | 10 | µgBrO3/1 | Consumers' taps |
8. | Cadmium | 5.0 | µgCd/1 | Consumers' taps |
9. | Chromium | 50 | µgCr/1 | Consumers' taps |
10. | Copper | 2.0 | mgCu/1 | Consumers' taps |
11. | Cyanide | 50 | µgCN/1 | Consumers' taps |
12. | 1, 2 dichloroethane | 3.0 | µg/1 | Consumers' taps |
13. | Epichlorohydrin | 0.10 | µg/1 | 1 |
14. | Fluoride | 1.5 | mgF/1 | Consumers' taps |
15. | Lead | 10 | µgPb/1 | Consumers' taps |
16. | Mercury | 1.0 | µgHg/1 | Consumers' taps |
17. | Nickel | 20 | µgNi/1 | Consumers' taps |
18. | Nitrate2 | 50 | mgNO3/1 | Consumers' taps |
19. | Nitrite2 | 0.50 | mgNO2/1 | Consumers' taps |
0.10 | Treatment works | |||
20. | Pesticides34 | 0.030 | µg/1 | Consumers' taps |
Aldrin | ||||
Dieldrin | 0.030 | µg1 | Consumer's taps | |
Heptachlor | ||||
Heptachlor epoxide | ||||
Other pesticides | 0.10 | μg/l | Consumers' taps | |
21. | Pesticides: total5 | 0.50 | µg/1 | Consumers' taps |
22. | Polycyclic aromatic hydrocarbon6 | 0.10 | µg/1 | Consumers' taps |
23. | Selenium | 10 | µgSe/1 | Consumers' taps |
24. | Tetrachloroethene and Trichloroethene7 | 10 | μg/l | Consumers' taps |
25. | Trihalomethanes: Total8 | 100 | µg/1 | Consumers' taps |
26. | Vinyl chloride | 0.50 | µg/1 | 1 |
Part II: National requirements
(1) | (2) | (3) | (4) | (5) |
---|---|---|---|---|
Item | Parameters | Concentration or value (maximum) | Units of measurement | Point of compliance |
1. | Aluminium | 200 | µgA1/1 | Consumers' taps |
2. | Colour | 20 | mg/1 Pt/Co | Consumers' taps |
3. | Iron | 200 | µgFe/1 | Consumers' taps |
4. | Manganese | 50 | µgMn/1 | Consumers' taps |
5. | Odour | Acceptable to consumers and no abnormal change | Consumers' taps | |
6. | Sodium | 200 | mgNa/1 | Consumers' taps |
7. | Taste | Acceptable to consumers and no abnormal change | Consumers' taps | |
8. | Tetrachloromethane | 3 | µg/1 | Consumers' taps |
9. | Turbidity | 4 | NTU | Consumers' taps |
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