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Isle of Wight · Isle of Wight
Southern Water
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg CL2/l | 0.37 | 0.2 – 1 | 0.007 ▲ |
|---|
| Total Chlorinemg CL2/l | 0.45 | No limit | 0.09 |
|---|
General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg CaCO3/l | 264.5 | 80 – 459 | 264.5 |
|---|
| pH | 7.42 | 6.5 – 9.5 | 7.42 |
|---|
| TurbidityNTU | 0.17 | ≤ 4 | 0.017 |
|---|
| ColorColor Units | 3.03 | ≤ 15 | 3.03 |
|---|
| 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 |
|---|
| 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 | — |
|---|
| Nitratesmg NO3/l | 30.9 | ≤ 50 | 9.27 |
|---|
Minerals
Minerals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Magnesiummg/l | 3.48 | No limit | 3.48 |
|---|
| Calciummg/l | 100.5 | No limit | 100.5 |
|---|
Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumμg/l | 12.4 | ≤ 200 | 12.4 |
|---|
| Antimonyμg/l | 0.068 | ≤ 5 | 0.068 |
|---|
| Arsenicμg/l | 0.29 | ≤ 10 | 0.15 |
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| Cadmiumμg/l | 0.025 | ≤ 5 | 0.025 |
|---|
| Chromiumμg/l | 0.2 | ≤ 50 | 0.2 |
|---|
| Copperμg/l | 155.1 | ≤ 2,000 | 7.75 |
|---|
| Ironμg/l | 14.5 | ≤ 200 | 14.5 |
|---|
| Manganeseμg/l | 0.78 | ≤ 50 | 0.78 |
|---|
| Leadμg/l | 0.61 | ≤ 10 | 0.03 |
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| Nickelμg/l | 5.87 | ≤ 20 | 5.87 |
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| Seleniumμg/l | 0.38 | ≤ 10 | 0.38 |
|---|
| Sodiummg/l | 18.6 | ≤ 200 | 18.6 |
|---|
Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneμg/l | 0 | ≤ 10 | 0 |
|---|
| Total Trihalomethanesμg/l | 27.9 | ≤ 100 | 1.4 |
|---|
Pesticides
Pesticides| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total pesticidesug/L | 0 | ≤ 0.5 | 0 |
|---|
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.
2768 of 2771 tests within UK limits
