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Brighton and Hove · Brighton and Hove
Southern Water
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg CL2/l | 0.48 | 0.2 – 1 | 0.01 ▲ |
|---|
| Total Chlorinemg CL2/l | 0.55 | No limit | 0.11 |
|---|
General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg CaCO3/l | 271.4 | 80 – 459 | 271.4 |
|---|
| pH | 7.37 | 6.5 – 9.5 | 7.37 |
|---|
| TurbidityNTU | 0.14 | ≤ 4 | 0.014 |
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| ColorColor Units | 3.01 | ≤ 15 | 3.01 |
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| OdorTON | 0 | ≤ 3 | 0 |
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Pathogens
Pathogens| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| eColiUFC/100ml | 0 | ≤ 0 | 0 |
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| 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 | Not reported | ≤ 0.5 | — |
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| Nitratesmg NO3/l | 36.6 | ≤ 50 | 11 |
|---|
Minerals
Minerals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Magnesiummg/l | 2.64 | No limit | 2.64 |
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| Calciummg/l | 104.6 | No limit | 104.6 |
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Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumμg/l | 11.6 | ≤ 200 | 11.6 |
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| Antimonyμg/l | 0.06 | ≤ 5 | 0.06 |
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| Arsenicμg/l | 0.19 | ≤ 10 | 0.094 |
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| Cadmiumμg/l | 0.026 | ≤ 5 | 0.026 |
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| Chromiumμg/l | 0.25 | ≤ 50 | 0.25 |
|---|
| Copperμg/l | 95.9 | ≤ 2,000 | 4.8 |
|---|
| Ironμg/l | 6.45 | ≤ 200 | 6.45 |
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| Manganeseμg/l | 0.68 | ≤ 50 | 0.68 |
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| Leadμg/l | 1.02 | ≤ 10 | 0.051 |
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| Nickelμg/l | 1.77 | ≤ 20 | 1.77 |
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| Seleniumμg/l | 0.45 | ≤ 10 | 0.45 |
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| Sodiummg/l | 23.7 | ≤ 200 | 23.7 |
|---|
Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneμg/l | 0.13 | ≤ 10 | 0.007 |
|---|
| Total Trihalomethanesμg/l | 11.3 | ≤ 100 | 0.56 |
|---|
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 | 0.009 | No limit | 0.003 |
|---|
Data collected from the water company for your area. Quality ranges are based on WHO guidelines and the UK drinking water regulations.
3448 of 3449 tests within UK limits
