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Howden · Scottish Borders
Scottish Water
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg CL2/l | 0.06 ● (Near the limit) | 0.2 – 1 | 0.001 ▲ |
|---|
| Total Chlorinemg CL2/l | 0.96 | No limit | 0.19 |
|---|
General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg CaCO3/l | 55.4 ● (Near the limit) | 80 – 459 | 55.4 ● |
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| pH | 8.09 | 6.5 – 9.5 | 8.09 |
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| TurbidityNTU | 0.3 | ≤ 4 | 0.03 |
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| ColorColor Units | 4.23 | ≤ 15 | 4.23 |
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| ConductivityμS / cm | 184.4 | ≤ 2,500 | 184.4 |
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| TDSmg/l | 118estimated | 0 – 1,199 | 118 |
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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 | 2 | ≤ 50 | 0.1 |
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| Fluoridemg F/l | 0.12 | ≤ 1.5 | 0.036 |
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| Mercuryμg Hg/l | 0.03 | ≤ 1 | 0.003 |
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| Nitritesmg NO2/l | 0.08 | ≤ 0.5 | 0.032 |
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| Nitratesmg NO3/l | 4.4 | ≤ 50 | 1.32 |
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Minerals
Minerals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Magnesiummg/l | 4.38 | No limit | 4.38 |
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| Calciummg/l | 15 | No limit | 15 |
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| Chloridemg/l | 13 | ≤ 250 | 13 |
|---|
Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumμg/l | 8.13 | ≤ 200 | 8.13 |
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| Antimonyμg/l | 0.4 | ≤ 5 | 0.4 |
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| Arsenicμg/l | 0.2 | ≤ 10 | 0.1 |
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| Cadmiumμg/l | 0.02 | ≤ 5 | 0.02 |
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| Chromiumμg/l | 1.07 | ≤ 50 | 1.07 |
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| Copperμg/l | 0 | ≤ 2,000 | 0 |
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| Ironμg/l | 8.1 | ≤ 200 | 8.1 |
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| Manganeseμg/l | 2.16 | ≤ 50 | 2.16 |
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| Leadμg/l | 0.3 | ≤ 10 | 0.015 |
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| Nickelμg/l | 1.6 | ≤ 20 | 1.6 |
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| Seleniumμg/l | 1.2 | ≤ 10 | 1.2 |
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| Sodiummg/l | 19.8 | ≤ 200 | 19.8 |
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Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneμg/l | 0.52 | ≤ 10 | 0.026 |
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| Total Trihalomethanesμg/l | 13.7 | ≤ 100 | 0.68 |
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Haloacetic acids
Haloacetic acids| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total haloacetic acidsμg/l | 17.8 | ≤ 60 | 0.89 |
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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 | 0.3 | No limit | 0.09 |
|---|
| Sulfatemg/l | 4.67 | No limit | 4.67 |
|---|
| Uraniumug/L | 0.05 | No limit | 0.05 |
|---|
Data collected from the water company for your area. Quality ranges are based on WHO guidelines and the UK drinking water regulations.
719 of 721 tests within UK limits
