← Back to summarySee all parameters
Norwich · Norwich
Anglian Water
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg CL2/l | 0.073 ● (Near the limit) | 0.2 – 1 | 0.001 ▲ |
|---|
| Total Chlorinemg CL2/l | 0.88 | No limit | 0.18 |
|---|
General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg CaCO3/l | 333.8estimated | 80 – 459 | 333.8 |
|---|
| pH | 7.48 | 6.5 – 9.5 | 7.48 |
|---|
| TurbidityNTU | 0.23 | ≤ 4 | 0.023 |
|---|
| ColorColor Units | 1.55 | ≤ 15 | 1.55 |
|---|
| OdorTON | 0 | ≤ 3 | 0 |
|---|
Pathogens
Pathogens| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| eColiUFC/100ml | 0 | ≤ 0 | 0 |
|---|
| BacteriasNMP/100ml | 1 | ≤ 0 | 0.1 |
|---|
| EnterococcusUFC/100ml | 0 | ≤ 0 | 0 |
|---|
Chemical parameters
Chemical parameters| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Fluoridemg F/l | 0.21 | ≤ 1.5 | 0.062 |
|---|
| Mercuryμg Hg/l | Not reported | ≤ 1 | — |
|---|
| Nitritesmg NO2/l | 0.038 | ≤ 0.5 | 0.015 |
|---|
| Nitratesmg NO3/l | 26.5 | ≤ 50 | 7.95 |
|---|
Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumμg/l | 12 | ≤ 200 | 12 |
|---|
| Antimonyμg/l | 0.17 | ≤ 5 | 0.17 |
|---|
| Arsenicμg/l | 0.27 | ≤ 10 | 0.14 |
|---|
| Cadmiumμg/l | 0.02 | ≤ 5 | 0.02 |
|---|
| Chromiumμg/l | 0.76 | ≤ 50 | 0.76 |
|---|
| Copperμg/l | 38.6 | ≤ 2,000 | 1.93 |
|---|
| Ironμg/l | 21 | ≤ 200 | 21 |
|---|
| Manganeseμg/l | 3.03 | ≤ 50 | 3.03 |
|---|
| Leadμg/l | 2.35 | ≤ 10 | 0.12 |
|---|
| Nickelμg/l | 2.05 | ≤ 20 | 2.05 |
|---|
| Seleniumμg/l | 1.12 | ≤ 10 | 1.12 |
|---|
| Sodiummg/l | 25 | ≤ 200 | 25 |
|---|
Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trihalomethanesμg/l | 21.2 | ≤ 100 | 1.06 |
|---|
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 | 0.21 | No limit | 0.063 |
|---|
Data collected from the water company for your area. Quality ranges are based on WHO guidelines and the UK drinking water regulations.
1988 of 1989 tests within UK limits
