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Stockport · Stockport
United Utilities
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg CL2/l | 0.89 | 0.2 – 1 | 0.018 ▲ |
|---|
| Total Chlorinemg CL2/l | 0.97 | No limit | 0.19 |
|---|
General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg CaCO3/l | 37 ● (Near the limit)estimated | 80 – 459 | 37 ● |
|---|
| pH | 7.32 | 6.5 – 9.5 | 7.32 |
|---|
| TurbidityNTU | 0.2 | ≤ 4 | 0.02 |
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| ColorColor Units | 1.58 | ≤ 15 | 1.58 |
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| ConductivityμS / cm | 112.9 | ≤ 2,500 | 112.9 |
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| TDSmg/l | 72.2estimated | 0 – 1,199 | 72.2 |
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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 |
|---|
| eColiUFC/100ml | 0 | ≤ 0 | 0 |
|---|
| BacteriasNMP/100ml | 0 | ≤ 0 | 0 |
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| EnterococcusUFC/100ml | 0 | ≤ 0 | 0 |
|---|
Chemical parameters
Chemical parameters| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Mercuryμg Hg/l | Not reported | ≤ 1 | — |
|---|
| Nitritesmg NO2/l | 0.009 | ≤ 0.5 | 0.004 |
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| Nitratesmg NO3/l | 3.35 | ≤ 50 | 1 |
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Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumμg/l | 9.21 | ≤ 200 | 9.21 |
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| Antimonyμg/l | 0.31 | ≤ 5 | 0.31 |
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| Arsenicμg/l | 0.49 | ≤ 10 | 0.24 |
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| Cadmiumμg/l | 0.09 | ≤ 5 | 0.09 |
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| Chromiumμg/l | 0.83 | ≤ 50 | 0.83 |
|---|
| Copperμg/l | 0.022 | ≤ 2,000 | 0.001 |
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| Ironμg/l | 14.4 | ≤ 200 | 14.4 |
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| Manganeseμg/l | 1.43 | ≤ 50 | 1.43 |
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| Leadμg/l | 0.65 | ≤ 10 | 0.033 |
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| Nickelμg/l | 2.18 | ≤ 20 | 2.18 |
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| Seleniumμg/l | 0.85 | ≤ 10 | 0.85 |
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| Sodiummg/l | 6.55 | ≤ 200 | 6.55 |
|---|
Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneμg/l | 0 | ≤ 10 | 0 |
|---|
| Total Trihalomethanesμg/l | 27.4 | ≤ 100 | 1.37 |
|---|
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 | 0.047 | No limit | 0.014 |
|---|
Data collected from the water company for your area. Quality ranges are based on WHO guidelines and the UK drinking water regulations.
5446 of 5452 tests within UK limits
