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RED HONTANAS · Hontanas
AYTO. DE HONTANAS
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg/L | 0.4 | 0.2 – 1 | 0.008 ▲ |
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| Chloraminemg/L | 0Sampled Nov 2023 | ≤ 4 | 0 |
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General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg/L | 230Sampled Nov 2025 | 80 – 459 | 230 |
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| pHUnidades pH | 8Sampled Aug 2026 | 6.5 – 9.5 | 8 |
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| TurbidityUNF | 0Sampled Aug 2026 | ≤ 4 | 0 |
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| Colormg Pt-Co/L | 1Sampled Aug 2026 | ≤ 15 | 1 |
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| ConductivityµS/cm a 20ºC | 421Sampled Aug 2026 | ≤ 2,500 | 421 |
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| TDSmg/l | 269.4Sampled Aug 2026estimated | 0 – 1,199 | 269.4 |
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| OdorIn. Dil. | 1Sampled Aug 2026 | ≤ 3 | 1 |
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| LSIUnidades pH | 0.4Sampled Nov 2025 | No limit | 0.4 |
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| Oxidationmg O2 /L | Not reported | ≤ 5 | — |
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Pathogens
Pathogens| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| ClostridiumUFC/100 ml | 0Sampled Nov 2025 | ≤ 0 | 0 |
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| eColiUFC/100 ml | 0Sampled Aug 2026 | ≤ 0 | 0 |
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| BacteriasUFC/100 ml | 0Sampled Aug 2026 | ≤ 0 | 0 |
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| EnterococcusUFC/100 ml | 0Sampled Aug 2026 | ≤ 0 | 0 |
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Chemical parameters
Chemical parameters| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Cyanide totalµg/L | 0Sampled Nov 2025 | ≤ 50 | 0 |
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| Fluoridemg/L | 0.5Sampled Nov 2025 | ≤ 1.5 | 0.15 |
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| Mercuryµg/L | 0Sampled Nov 2025 | ≤ 1 | 0 |
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| Nitritesmg/L | 0Sampled Nov 2025 | ≤ 0.1 | 0 |
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| Nitratesmg/L | 42 ● (Near the limit)Sampled Nov 2025 | ≤ 50 | 12.6 |
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Minerals
Minerals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Magnesiummg/L | 11Sampled Nov 2025 | No limit | 11 |
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| Calciummg/L | 74Sampled Nov 2025 | No limit | 74 |
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| Potassiummg/L | 0Sampled Nov 2025 | No limit | 0 |
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| Chloridemg/L | 16Sampled Nov 2025 | ≤ 250 | 16 |
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Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumµg/L | 0Sampled Nov 2025 | ≤ 200 | 0 |
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| Antimonyµg/L | 0Sampled Nov 2025 | ≤ 5 | 0 |
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| Arsenicµg/L | 1Sampled Nov 2025 | ≤ 10 | 0.5 |
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| Cadmiumµg/L | 0Sampled Nov 2025 | ≤ 5 | 0 |
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| Chromiumµg/L | 0Sampled Nov 2025 | ≤ 50 | 0 |
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| Coppermg/L | 0Sampled Nov 2025 | ≤ 2,000 | 0 |
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| Ironµg/L | 0Sampled Nov 2025 | ≤ 200 | 0 |
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| Manganeseµg/L | 0Sampled Nov 2025 | ≤ 50 | 0 |
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| Leadµg/L | 0Sampled Nov 2025 | ≤ 10 | 0 |
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| Nickelµg/L | 0Sampled Nov 2025 | ≤ 20 | 0 |
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| Seleniumµg/L | 0Sampled Nov 2025 | ≤ 10 | 0 |
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| Sodiummg/L | 3Sampled Nov 2025 | ≤ 200 | 3 |
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Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneµg/L | 0Sampled Nov 2025 | ≤ 10 | 0 |
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| Trichloroethyleneµg/L | 0Sampled Nov 2025 | No limit | 0 |
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| Tetrachloroethyleneµg/L | 0Sampled Nov 2025 | No limit | 0 |
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| Total Trihalomethanesµg/L | 0Sampled Nov 2025 | ≤ 100 | 0 |
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Haloacetic acids
Haloacetic acids| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total haloacetic acidsµg/L | 0Sampled Nov 2025 | ≤ 60 | 0 |
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Pesticides
Pesticides| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total pesticidesµg/L | 0Sampled Nov 2025 | ≤ 0.5 | 0 |
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Perfluorinated chemicals
Perfluorinated chemicals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| PFOAµg/L | 0Sampled Nov 2025 | No limit | 0 |
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| PFOSµg/L | 0Sampled Nov 2025 | No limit | 0 |
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| PFNAµg/L | 0Sampled Nov 2025 | No limit | 0 |
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| Total PFASµg/L | 0Sampled Nov 2025 | ≤ 0.1 | 0 |
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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 | 0Sampled Nov 2025 | No limit | 0 |
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| Sulfatemg/L | 11Sampled Nov 2025 | No limit | 11 |
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| Uraniumµg/L | 3Sampled Oct 2024 | No limit | 3 |
|---|
Data collected from the water supplier for your area. Quality ranges are based on WHO, EU and Spanish guidelines.
