My water supply
The samples we take are analysed in a UKAS accredited laboratory to ensure they comply with drinking water safety standards.
Schedule 1 Parameters
|
Units |
PCV |
Number of Samples |
Number of Samples contravening PCV |
% No. of samples contravening PCV |
Min |
Mean |
Max |
Colour |
mg/l Pt/Co |
20 |
2 |
0 |
0 |
2.00 |
2.00 |
2.00 |
Turbidity |
FTU |
4 |
2 |
0 |
0 |
0.12 |
0.12 |
0.12 |
Odour (quantitative) |
Dil Number |
0 |
2 |
0 |
0 |
<0.00 |
<0.00 |
0.00 |
Taste (quantitative) |
Dil Number |
0 |
2 |
0 |
0 |
<0.00 |
<0.00 |
0.00 |
Sodium |
mg/l |
200 |
1 |
0 |
0 |
11.70 |
11.70 |
11.70 |
Nitrate (as NO3) |
mg/l |
50 |
1 |
0 |
0 |
42.20 |
42.20 |
42.20 |
Nitrite (as NO2) |
mg/l |
0.1 |
2 |
0 |
0 |
<0.01 |
<0.01 |
0.01 |
Nitrate/Nitrite Ratio |
mg/l |
1 |
1 |
0 |
0 |
0.84 |
0.84 |
0.84 |
Aluminium |
ug/l |
200 |
1 |
0 |
0 |
6.10 |
6.10 |
6.10 |
Iron |
ug/l |
200 |
1 |
0 |
0 |
7.30 |
7.30 |
7.30 |
Manganese |
ug/l |
50 |
1 |
0 |
0 |
1.70 |
1.70 |
1.70 |
Copper (New Reg Limit) |
mg/l |
2 |
1 |
0 |
0 |
0.15 |
0.15 |
0.15 |
Fluoride |
mg/l |
1.5 |
1 |
0 |
0 |
0.15 |
0.15 |
0.15 |
Arsenic (New Regs Limit) |
ug/l |
10 |
1 |
0 |
0 |
1.00 |
1.00 |
1.00 |
Cadmium |
ug/l |
5 |
1 |
0 |
0 |
0.12 |
0.12 |
0.12 |
Chromium |
ug/l |
50 |
1 |
0 |
0 |
<0.70 |
<0.70 |
0.35 |
Nickel (New Reg Limit) |
ug/l |
20 |
1 |
0 |
0 |
7.50 |
7.50 |
7.50 |
Lead (New Reg Limit) |
ug/l |
10 |
1 |
0 |
0 |
3.70 |
3.70 |
3.70 |
Antimony (New Reg Limit) |
ug/l |
5 |
1 |
0 |
0 |
0.20 |
0.20 |
0.20 |
Selenium |
ug/l |
10 |
1 |
0 |
0 |
0.80 |
0.80 |
0.80 |
Total PAH's (4 Det Total |
ug/l |
0.1 |
1 |
0 |
0 |
<0.00 |
<0.00 |
0.00 |
Escherichia coli |
No./100ml |
0 |
4 |
0 |
0 |
<0.00 |
<0.00 |
0.00 |
Intestinal Enterococci |
cfu/100ml |
0 |
1 |
0 |
0 |
<0.00 |
<0.00 |
0.00 |
Boron (New Reg Limit) |
mg/l |
1 |
1 |
0 |
0 |
0.04 |
0.04 |
0.04 |
Benzo(a)pyrene |
ug/l |
0.01 |
1 |
0 |
0 |
0.00 |
0.00 |
0.00 |
Trihalomethanes (total) |
ug/l |
100 |
1 |
0 |
0 |
0.00 |
0.00 |
0.00 |
Bromate |
ug/l |
10 |
1 |
0 |
0 |
0.80 |
0.80 |
0.80 |
Indicator parameters
|
Units |
PCV |
Number of samples |
Number of Samples contravening PCV |
% No. of samples contravening PCV |
Minimum |
Mean |
Maximum |
pH (New Reg Limit) Env |
|
- |
2 |
0 |
0 |
7.20 |
7.35 |
7.50 |
Sulphate (as SO4) |
mg/l |
250 |
1 |
0 |
0 |
49.20 |
49.20 |
49.20 |
Ammonium (as NH4) |
mg/l |
0.5 |
2 |
0 |
0 |
<0.03 |
0.02 |
0.02 |
Total coliforms |
No./100ml |
0 |
4 |
0 |
0 |
<0.00 |
0.00 |
0.00 |
Clostridium perfringens |
No./100ml |
0 |
1 |
0 |
0 |
<0.00 |
0.00 |
0.00 |
3 day count,22 deg C |
cfu/ml |
50 |
2 |
0 |
0 |
<0.00 |
0.50 |
1.00 |
Free chlorine |
mg/l |
- |
4 |
0 |
0 |
0.04 |
0.11 |
0.19 |
Conductivity |
uS/cm |
2500 |
2 |
0 |
0 |
531.00 |
606.00 |
681.00 |
Chloride |
mg/l |
250 |
1 |
0 |
0 |
40.00 |
40.00 |
40.00 |
* All of the samples collected from this zone in 2023 complied with the Water Supply (Water Quality) (Amendment) Regulations 2016.
Water hardness
Average of Ca | Average of Mg | mg/l or ppm CaCO3 | Degrees Clark (*0.07) | Degrees French (*0.10) | Degrees German (*0.056) |
133.00 | 3.20 | 345.3 | 24.2 | 34.5 | 19.3 |
Water quality terms
Find out what the technical terms used in the water quality reports mean.