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Halton · Halton
United Utilities
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg CL2/l | 0.58 | 0.2 – 1 | 0.012 ▲ |
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| Total Chlorinemg CL2/l | 0.66 | No limit | 0.13 |
|---|
General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg CaCO3/l | 77.3 ● (Near the limit)estimated | 80 – 459 | 77.3 ● |
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| pH | 7.29 | 6.5 – 9.5 | 7.29 |
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| TurbidityNTU | 0.19 | ≤ 4 | 0.019 |
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| ColorColor Units | 1.6 | ≤ 15 | 1.6 |
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| ConductivityμS / cm | 266.8 | ≤ 2,500 | 266.8 |
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| TDSmg/l | 170.7estimated | 0 – 1,199 | 170.7 |
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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 |
|---|
| Mercuryμg Hg/l | Not reported | ≤ 1 | — |
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| Nitritesmg NO2/l | 0.009 | ≤ 0.5 | 0.004 |
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| Nitratesmg NO3/l | 12.8 | ≤ 50 | 3.83 |
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Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumμg/l | 6.26 | ≤ 200 | 6.26 |
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| Antimonyμg/l | 0.31 | ≤ 5 | 0.31 |
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| Arsenicμg/l | 0.5 | ≤ 10 | 0.25 |
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| Cadmiumμg/l | 0.09 | ≤ 5 | 0.09 |
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| Chromiumμg/l | 0.83 | ≤ 50 | 0.83 |
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| Copperμg/l | 0.022 | ≤ 2,000 | 0.001 |
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| Ironμg/l | 30 | ≤ 200 | 30 |
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| Manganeseμg/l | 0.92 | ≤ 50 | 0.92 |
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| Leadμg/l | 0.57 | ≤ 10 | 0.029 |
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| Nickelμg/l | 0.95 | ≤ 20 | 0.95 |
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| Seleniumμg/l | 0.85 | ≤ 10 | 0.85 |
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| Sodiummg/l | 21 | ≤ 200 | 21 |
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Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneμg/l | 0.19 | ≤ 10 | 0.01 |
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| Total Trihalomethanesμg/l | 21.5 | ≤ 100 | 1.07 |
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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 | 0.06 | 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.
2050 of 2051 tests within UK limits
