- Latest available (Revised) - English
- Latest available (Revised) - Welsh
- Point in Time (11/04/2018)
- Original (As made) - English
- Original (As made) - Welsh
Version Superseded: 15/06/2018
Point in time view as at 11/04/2018.
There are currently no known outstanding effects for the The Water Supply (Water Quality) Regulations 2010 (revoked), SCHEDULE 1.
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Regulations 2 and 4
1 Note: Compliance required as to 95% of samples from each service reservoir (regulation 4(6)). | ||||
Part I: Directive requirements | ||||
---|---|---|---|---|
Item | Parameters | Concentration or Value (maximum) | Units of Measurement | Point of compliance |
1 | Enterococci | 0 | number/100 ml | Consumers' taps |
2 | Escherichia coli (E coli) | 0 | number/100 ml | Consumers' taps |
Part II: National requirements | ||||
Item | Parameters | Concentration or Value (maximum) | Units of Measurement | Point of compliance |
1 | Coliform bacteria | 0 | number/100 ml | Service reservoirs1 and water treatment works |
2 | Escherichia coli (E coli) | 0 | number/100 ml | Service reservoirs and water treatment works |
Notes: | ||||
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 6(6). | ||||
3 See also regulation 4(2)(d). | ||||
4 See the definition of “pesticides and related products” in regulation 2. | ||||
5 The parametric value applies to each individual pesticide. | ||||
6 “Pesticides: Total” means the sum of the concentrations of the individual pesticides detected and quantified in the monitoring procedure. | ||||
7 The specified compounds are:
The parametric value applies to the sum of the concentrations of the individual compounds detected and quantified in the monitoring process. | ||||
8 The parametric value applies to the sum of the concentrations of the individual compounds detected and quantified in the monitoring process. | ||||
9 The specified compounds are:
The parametric value applies to the sum of the concentrations of the individual compounds detected and quantified in the monitoring process. | ||||
Part I: National requirements | ||||
---|---|---|---|---|
Item | Parameters | Concentration or Value (maximum) | Units of Measurement | Point of compliance |
1 | Acrylamide | 0.10 | μg/l | 1 |
2 | Antimony | 5.0 | μgSb/l | Consumers' taps |
3 | Arsenic | 10 | μgAs/l | Consumers' taps |
4 | Benzene | 1.0 | μg/l | Consumers' taps |
5 | Benzo(a)pyrene | 0.010 | μg/l | Consumers' taps |
6 | Boron | 1.0 | mgB/l | Consumers' taps |
7 | Bromate | 10 | μBrO3/l | Consumers' taps |
8 | Cadmium | 5.0 | μgCd/l | Consumers' taps |
9 | Chromium | 50 | μgCr/l | Consumers' taps |
10 | Copper 2 | 2.0 | mgCu/l | Consumers' taps |
11 | Cyanide | 50 | μgCN/l | Consumers' taps |
12 | 1, 2 dichloroethane | 3.0 | μg/l | Consumers' taps |
13 | Epichlorohydrin | 0.10 | μg/l | 1 |
14 | Fluoride | 1.5 | mgF/l | Consumers' taps |
15 | Lead 2 | (a)25, from 25th December 2003 until immediately before 25th December 2013 | μgPb/l | Consumers' taps |
(b)10, on and after 25th December 2013 | μgPb/l | Consumers' taps | ||
16 | Mercury | 1.0 | μgHg/l | Consumers' taps |
17 | Nickel 2 | 20 | μgNi/l | Consumers' taps |
18 | Nitrate 3 | 50 | mgNO3/l | Consumers' taps |
19 | Nitrite 3 | 0.50 | mgNO2/l | Consumers' taps |
0.10 | Treatment Works | |||
20 | Pesticides 45 | |||
Aldrin) | 0.030 | μg/l | Consumer's taps | |
Dieldrin) | ||||
Heptachlor) | ||||
Heptachlor | ||||
epoxide) | ||||
other pesticides | 0.10 | μg/l | Consumers' taps | |
21 | Pesticides: Total 6 | 0.50 | μg/l | Consumers' taps |
22 | Polycyclic aromatic hydrocarbons 7 | 0.10 | μg/l | Consumers' taps |
23 | Selenium | 10 | μgSe/l | Consumers' taps |
24 | Tetrachloroethene and Trichloroethene 8 | 10 | μg/l | Consumers' taps |
25 | Trihalomethanes: Total 9 | 100 | μg/l | Consumers' taps |
26 | Vinyl chloride | 0.50 | μg/l | 1 |
Part II: National requirements | ||||
---|---|---|---|---|
Item | Parameters | Concentration or Value (maximum unless otherwise stated) | Units of Measurement | Point of compliance |
1 | Aluminium | 200 | μgAl/l | Consumers' taps |
2 | Colour | 20 | mg/l Pt/Co | Consumers' taps |
3 | Iron | 200 | μgFe/l | Consumers' taps |
4 | Manganese | 50 | μgMn/l | Consumers' taps |
5 | Odour | Acceptable to consumers and no abnormal change | .................... | Consumers' taps |
6 | Sodium | 200 | mgNa/l | Consumers' taps |
7 | Taste | Acceptable to consumers and no abnormal change | .................... | Consumers' taps |
8 | Tetrachlorome-thane | 3 | μg/l | Consumers' taps |
9 | Turbidity | 4 | NTU | Consumers' taps |
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