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Havant · Havant
Portsmouth Water
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg CL2/l | 0.43 | 0.2 – 1 | 0.009 ▲ |
|---|
| Total Chlorinemg CL2/l | 0.49 | No limit | 0.097 |
|---|
General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg CaCO3/l | 269estimated | 80 – 459 | 269 |
|---|
| pH | 7.29 | 6.5 – 9.5 | 7.29 |
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| TurbidityNTU | 0.29 | ≤ 4 | 0.029 |
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| ColorColor Units | 1.98 | ≤ 15 | 1.98 |
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| ConductivityμS / cm | 541.7 | ≤ 2,500 | 541.7 |
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| TDSmg/l | 346.7estimated | 0 – 1,199 | 346.7 |
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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 | 4.1 | ≤ 50 | 0.21 |
|---|
| Fluoridemg F/l | 0.15 | ≤ 1.5 | 0.044 |
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| Mercuryμg Hg/l | 0.04 | ≤ 1 | 0.004 |
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| Nitritesmg NO2/l | 0.011 | ≤ 0.5 | 0.004 |
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| Nitratesmg NO3/l | 31.1 | ≤ 50 | 9.34 |
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Minerals
Minerals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Chloridemg/l | 21.7 | ≤ 250 | 21.7 |
|---|
Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumμg/l | 8.46 | ≤ 200 | 8.46 |
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| Antimonyμg/l | 0.21 | ≤ 5 | 0.21 |
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| Arsenicμg/l | 1 | ≤ 10 | 0.5 |
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| Cadmiumμg/l | 0.22 | ≤ 5 | 0.22 |
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| Chromiumμg/l | 2.3 | ≤ 50 | 2.3 |
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| Copperμg/l | 178 | ≤ 2,000 | 8.9 |
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| Ironμg/l | 14.1 | ≤ 200 | 14.1 |
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| Manganeseμg/l | 2.5 | ≤ 50 | 2.5 |
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| Leadμg/l | 0.5 | ≤ 10 | 0.025 |
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| Nickelμg/l | 2.47 | ≤ 20 | 2.47 |
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| Seleniumμg/l | 1.18 | ≤ 10 | 1.18 |
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| Sodiummg/l | 9.68 | ≤ 200 | 9.68 |
|---|
Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneμg/l | 0 | ≤ 10 | 0 |
|---|
| Total Trihalomethanesμg/l | 12.1 | ≤ 100 | 0.61 |
|---|
Pesticides
Pesticides| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total pesticidesug/L | 0.011 | ≤ 0.5 | 0.011 |
|---|
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 | 0.073 | No limit | 0.022 |
|---|
| Sulfatemg/l | 16.9 | No limit | 16.9 |
|---|
Data collected from the water company for your area. Quality ranges are based on WHO guidelines and the UK drinking water regulations.
2422 of 2422 tests within UK limits
