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Kent Hatch · Tandridge
SES Water
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg CL2/l | Not reported | 0.2 – 1 | — |
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| Total Chlorinemg CL2/l | 0.22 | No limit | 0.044 |
|---|
General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg CaCO3/l | 130.9 | 80 – 459 | 130.9 |
|---|
| pH | 7.55 | 6.5 – 9.5 | 7.55 |
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| TurbidityNTU | 0.07 | ≤ 4 | 0.007 |
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| ColorColor Units | 0.6 | ≤ 15 | 0.6 |
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| TDSmg/l | 220estimated | 0 – 1,199 | 220 |
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| OdorTON | 0 | ≤ 3 | 0 |
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| Alkalinitymg CaCO3/l | 48.4 | No limit | 48.4 |
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Pathogens
Pathogens| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| eColiUFC/100ml | 0 | ≤ 0 | 0 |
|---|
| BacteriasNMP/100ml | 0 | ≤ 0 | 0 |
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| EnterococcusUFC/100ml | 0 | ≤ 0 | 0 |
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Chemical parameters
Chemical parameters| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Mercuryμg Hg/l | Not reported | ≤ 1 | — |
|---|
| Nitritesmg NO2/l | 0.02 | ≤ 0.5 | 0.008 |
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| Nitratesmg NO3/l | 20.9 | ≤ 50 | 6.27 |
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Minerals
Minerals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Magnesiummg/l | 5.6 | No limit | 5.6 |
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| Calciummg/l | 52.4 | No limit | 52.4 |
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Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumμg/l | 5 | ≤ 200 | 5 |
|---|
| Antimonyμg/l | 0.1 | ≤ 5 | 0.1 |
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| Arsenicμg/l | 0.21 | ≤ 10 | 0.11 |
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| Cadmiumμg/l | 0.06 | ≤ 5 | 0.06 |
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| Chromiumμg/l | 0.8 | ≤ 50 | 0.8 |
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| Copperμg/l | 40 | ≤ 2,000 | 2 |
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| Ironμg/l | 8.8 | ≤ 200 | 8.8 |
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| Manganeseμg/l | 0.9 | ≤ 50 | 0.9 |
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| Leadμg/l | 0.3 | ≤ 10 | 0.015 |
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| Nickelμg/l | 2.6 | ≤ 20 | 2.6 |
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| Seleniumμg/l | 0.41 | ≤ 10 | 0.41 |
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| Sodiummg/l | 16.6 | ≤ 200 | 16.6 |
|---|
Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneμg/l | 0 | ≤ 10 | 0 |
|---|
| Total Trihalomethanesμg/l | 2.1 | ≤ 100 | 0.11 |
|---|
Perfluorinated chemicals
Perfluorinated chemicals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total PFASug/L | Not reported | ≤ 0.1 | — |
|---|
| PFAS 4ng/l | Not reported | No limit | — |
|---|
| PFAS 21ng/l | Not reported | No limit | — |
|---|
Other
Other| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Ammoniamg/l | 0.06 | No limit | 0.018 |
|---|
Data collected from the water company for your area. Quality ranges are based on WHO guidelines and the UK drinking water regulations.
432 of 432 tests within UK limits
