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Hoy Calder · Highland
Scottish Water
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg CL2/l | 0.08 ● (Near the limit) | 0.2 – 1 | 0.002 ▲ |
|---|
| Total Chlorinemg CL2/l | 1.05 | No limit | 0.21 |
|---|
General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg CaCO3/l | 90.6 | 80 – 459 | 90.6 |
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| pH | 8.05 | 6.5 – 9.5 | 8.05 |
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| TurbidityNTU | 0.34 | ≤ 4 | 0.034 |
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| ColorColor Units | 2 | ≤ 15 | 2 |
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| ConductivityμS / cm | 260 | ≤ 2,500 | 260 |
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| TDSmg/l | 166.4estimated | 0 – 1,199 | 166.4 |
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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 |
|---|
| 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 | 2.25 | ≤ 50 | 0.11 |
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| Fluoridemg F/l | 0.12 | ≤ 1.5 | 0.036 |
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| Mercuryμg Hg/l | 0.02 | ≤ 1 | 0.002 |
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| Nitritesmg NO2/l | 0.03 | ≤ 0.5 | 0.012 |
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| Nitratesmg NO3/l | 0.85 | ≤ 50 | 0.26 |
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Minerals
Minerals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Magnesiummg/l | 5.65 | No limit | 5.65 |
|---|
| Calciummg/l | 27 | No limit | 27 |
|---|
| Chloridemg/l | 29.4 | ≤ 250 | 29.4 |
|---|
Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumμg/l | 23.7 | ≤ 200 | 23.7 |
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| Antimonyμg/l | 0.4 | ≤ 5 | 0.4 |
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| Arsenicμg/l | 0.3 | ≤ 10 | 0.15 |
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| Cadmiumμg/l | 0.02 | ≤ 5 | 0.02 |
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| Chromiumμg/l | 0.6 | ≤ 50 | 0.6 |
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| Copperμg/l | 10 | ≤ 2,000 | 0.5 |
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| Ironμg/l | 18.6 | ≤ 200 | 18.6 |
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| Manganeseμg/l | 3.88 | ≤ 50 | 3.88 |
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| Leadμg/l | 0.3 | ≤ 10 | 0.015 |
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| Nickelμg/l | 0.88 | ≤ 20 | 0.88 |
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| Seleniumμg/l | 1.2 | ≤ 10 | 1.2 |
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| Sodiummg/l | 18.5 | ≤ 200 | 18.5 |
|---|
Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneμg/l | 0.52 | ≤ 10 | 0.026 |
|---|
| Total Trihalomethanesμg/l | 31 | ≤ 100 | 1.55 |
|---|
Haloacetic acids
Haloacetic acids| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total haloacetic acidsμg/l | 13.8 | ≤ 60 | 0.69 |
|---|
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 | 0.28 | No limit | 0.084 |
|---|
| Sulfatemg/l | 37.7 | No limit | 37.7 |
|---|
| Uraniumug/L | 0.04 | No limit | 0.04 |
|---|
Data collected from the water company for your area. Quality ranges are based on WHO guidelines and the UK drinking water regulations.
922 of 924 tests within UK limits
