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Severn Trent Water
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg CL2/l | 0.51 | 0.2 – 1 | 0.01 ▲ |
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General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg CaCO3/l | Not reported | 80 – 459 | — |
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| pH | 7.48 | 6.5 – 9.5 | 7.48 |
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| TurbidityNTU | 0.26 | ≤ 4 | 0.026 |
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| ColorColor Units | 0.8 | ≤ 15 | 0.8 |
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| ConductivityμS / cm | 337 | ≤ 2,500 | 337 |
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| TDSmg/l | 215.7estimated | 0 – 1,199 | 215.7 |
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| OdorTON | 0 | ≤ 3 | 0 |
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Pathogens
Pathogens| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| ClostridiumUFC/100ml | 0 | ≤ 0 | 0 |
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| eColiUFC/100ml | 0 | ≤ 0 | 0 |
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| 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 |
|---|
| Cyanide totalμg CN/l | 4.6 | ≤ 50 | 0.23 |
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| Fluoridemg F/l | 0.08 | ≤ 1.5 | 0.024 |
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| Mercuryμg Hg/l | 0.022 | ≤ 1 | 0.002 |
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| Nitritesmg NO2/l | 0.003 | ≤ 0.5 | 0.001 |
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| Nitratesmg NO3/l | 12.9 | ≤ 50 | 3.87 |
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Minerals
Minerals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Chloridemg/l | 12.5 | ≤ 250 | 12.5 |
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Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumμg/l | 9.4 | ≤ 200 | 9.4 |
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| Antimonyμg/l | 0.059 | ≤ 5 | 0.059 |
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| Arsenicμg/l | 0.14 | ≤ 10 | 0.07 |
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| Cadmiumμg/l | 0.02 | ≤ 5 | 0.02 |
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| Chromiumμg/l | 0.42 | ≤ 50 | 0.42 |
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| Copperμg/l | 162.1 | ≤ 2,000 | 8.11 |
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| Ironμg/l | 5.1 | ≤ 200 | 5.1 |
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| Manganeseμg/l | 0.76 | ≤ 50 | 0.76 |
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| Leadμg/l | 0.26 | ≤ 10 | 0.013 |
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| Nickelμg/l | 1 | ≤ 20 | 1 |
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| Seleniumμg/l | 0.13 | ≤ 10 | 0.13 |
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| Sodiummg/l | 9.2 | ≤ 200 | 9.2 |
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Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneμg/l | 0 | ≤ 10 | 0 |
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| Total Trihalomethanesμg/l | 0 | ≤ 100 | 0 |
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Pesticides
Pesticides| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total pesticidesug/L | 0 | ≤ 0.5 | 0 |
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Perfluorinated chemicals
Perfluorinated chemicals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total PFASug/L | Not reported | ≤ 0.1 | — |
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| PFAS 4ng/l | Not reported | No limit | — |
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| PFAS 21ng/l | Not reported | No limit | — |
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Other
Other| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Ammoniamg/l | 0.022 | No limit | 0.007 |
|---|
| Sulfatemg/l | 15.4 | No limit | 15.4 |
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Data collected from the water company for your area. Quality ranges are based on WHO guidelines and the UK drinking water regulations.
109 of 109 tests within UK limits
