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South Derbyshire · South Derbyshire
Severn Trent Water
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg CL2/l | 0.29 | 0.2 – 1 | 0.006 ▲ |
|---|
General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg CaCO3/l | Not reported | 80 – 459 | — |
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| pH | 7.42 | 6.5 – 9.5 | 7.42 |
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| TurbidityNTU | 0.13 | ≤ 4 | 0.013 |
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| ColorColor Units | 1.14 | ≤ 15 | 1.14 |
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| ConductivityμS / cm | 492.9 | ≤ 2,500 | 492.9 |
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| TDSmg/l | 315.5estimated | 0 – 1,199 | 315.5 |
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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 |
|---|
| Fluoridemg F/l | 0.18 | ≤ 1.5 | 0.054 |
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| Mercuryμg Hg/l | Not reported | ≤ 1 | — |
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| Nitritesmg NO2/l | 0.006 | ≤ 0.5 | 0.003 |
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| Nitratesmg NO3/l | 8.65 | ≤ 50 | 2.6 |
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Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumμg/l | 12.4 | ≤ 200 | 12.4 |
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| Antimonyμg/l | 0.13 | ≤ 5 | 0.13 |
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| Arsenicμg/l | 0.16 | ≤ 10 | 0.08 |
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| Cadmiumμg/l | 0.21 | ≤ 5 | 0.21 |
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| Chromiumμg/l | 0.42 | ≤ 50 | 0.42 |
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| Copperμg/l | 36.7 | ≤ 2,000 | 1.84 |
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| Ironμg/l | 8.88 | ≤ 200 | 8.88 |
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| Manganeseμg/l | 0.84 | ≤ 50 | 0.84 |
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| Leadμg/l | 0.63 | ≤ 10 | 0.032 |
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| Nickelμg/l | 2.37 | ≤ 20 | 2.37 |
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| Seleniumμg/l | 0.43 | ≤ 10 | 0.43 |
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| Sodiummg/l | 15.6 | ≤ 200 | 15.6 |
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Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneμg/l | 0 | ≤ 10 | 0 |
|---|
| Total Trihalomethanesμg/l | 42.6 | ≤ 100 | 2.13 |
|---|
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 | 0.024 | No limit | 0.007 |
|---|
Data collected from the water company for your area. Quality ranges are based on WHO guidelines and the UK drinking water regulations.
1185 of 1185 tests within UK limits
