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XARXA DE MADREMANYA · Sant Martí Vell
MANCOMUNITAT D'AIGÜES I SERVEIS DEL BAIX EMPORDÂ
Water safety
Water safety| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Free Chlorinemg/L | 0.8 | 0.2 – 1 | 0.016 ▲ |
|---|
| Chloraminemg/L | 0.1 | ≤ 4 | 0.002 |
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General
General| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Hardnessmg/L | 338 | 80 – 459 | 338 |
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| pHUnidades pH | 7.9Sampled Jan 2026 | 6.5 – 9.5 | 7.9 |
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| TurbidityUNF | 0.4Sampled Jan 2026 | ≤ 4 | 0.04 |
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| Colormg Pt-Co/L | 4Sampled Jan 2026 | ≤ 15 | 4 |
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| ConductivityµS/cm a 20ºC | 668Sampled Jan 2026 | ≤ 2,500 | 668 |
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| TDSmg/l | 427.5Sampled Jan 2026estimated | 0 – 1,199 | 427.5 |
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| OdorIn. Dil. | 0Sampled Jan 2026 | ≤ 3 | 0 |
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| LSIUnidades pH | 0.63Sampled Oct 2022 | No limit | 0.63 |
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| Oxidationmg O2 /L | 1Sampled Oct 2025 | ≤ 5 | 1 |
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Pathogens
Pathogens| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| ClostridiumUFC/100 ml | 0Sampled Oct 2025 | ≤ 0 | 0 |
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| eColiNMP/100ml | 0Sampled Jan 2026 | ≤ 0 | 0 |
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| BacteriasNMP/100ml | 0Sampled Jan 2026 | ≤ 0 | 0 |
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| EnterococcusUFC/100 ml | 0Sampled Jan 2026 | ≤ 0 | 0 |
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Chemical parameters
Chemical parameters| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Cyanide totalµg/L | 15Sampled Oct 2025 | ≤ 50 | 0.75 |
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| Fluoridemg/L | 0.5Sampled Oct 2025 | ≤ 1.5 | 0.15 |
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| Mercuryµg/L | 0.2Sampled Oct 2025 | ≤ 1 | 0.02 |
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| Nitritesmg/L | 0.03Sampled Oct 2025 | ≤ 0.1 | 0.012 |
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| Nitratesmg/L | 50 ● (Near the limit) | ≤ 50 | 15 |
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Minerals
Minerals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Magnesiummg/L | 14 | No limit | 14 |
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| Calciummg/L | 112 | No limit | 112 |
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| Potassiummg/L | 2 | No limit | 2 |
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| Chloridemg/L | 68Sampled Oct 2025 | ≤ 250 | 68 |
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Metals
Metals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Aluminiumµg/L | 50Sampled Oct 2025 | ≤ 200 | 50 |
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| Antimonyµg/L | 1Sampled Oct 2025 | ≤ 5 | 1 |
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| Arsenicµg/L | 1Sampled Oct 2025 | ≤ 10 | 0.5 |
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| Cadmiumµg/L | 1Sampled Oct 2025 | ≤ 5 | 1 |
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| Chromiumµg/L | 10Sampled Oct 2025 | ≤ 50 | 10 |
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| Coppermg/L | 100Sampled Oct 2025 | ≤ 2,000 | 5 |
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| Ironµg/L | 50Sampled Oct 2025 | ≤ 200 | 50 |
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| Manganeseµg/L | 10Sampled Oct 2025 | ≤ 50 | 10 |
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| Leadµg/L | 1.4Sampled Oct 2025 | ≤ 10 | 0.07 |
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| Nickelµg/L | 1Sampled Oct 2025 | ≤ 20 | 1 |
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| Seleniumµg/L | 1Sampled Oct 2025 | ≤ 10 | 1 |
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| Sodiummg/L | 46Sampled Oct 2025 | ≤ 200 | 46 |
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Chlorine by-products
Chlorine by-products| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total Trichloroethyleneµg/L | 0Sampled Oct 2025 | ≤ 10 | 0 |
|---|
| Trichloroethyleneµg/L | 0.2Sampled Oct 2025 | No limit | 0.01 |
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| Tetrachloroethyleneµg/L | 0.2Sampled Oct 2025 | No limit | 0.01 |
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| Total Trihalomethanesµg/L | 20Sampled Oct 2025 | ≤ 100 | 1 |
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Haloacetic acids
Haloacetic acids| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total haloacetic acidsµg/L | 12Sampled Oct 2025 | ≤ 60 | 0.6 |
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Pesticides
Pesticides| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| Total pesticidesµg/L | 0.048Sampled Oct 2025 | ≤ 0.5 | 0.048 |
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Perfluorinated chemicals
Perfluorinated chemicals| Parameter | Unfiltered tap water | Allowed range | Filtered |
|---|
| PFOAµg/L | 0.005Sampled Oct 2025 | No limit | 0.005 |
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| PFOSµg/L | 0.01Sampled Oct 2025 | No limit | 0.01 |
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| PFNAµg/L | 0.005Sampled Oct 2025 | No limit | 0.005 |
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| Total PFASµg/L | 0.01Sampled Oct 2025 | ≤ 0.1 | 0.001 |
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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 | 0.1Sampled Jan 2026 | No limit | 0.03 |
|---|
| Sulfatemg/L | 49Sampled Oct 2025 | No limit | 49 |
|---|
| Uraniumµg/L | 1Sampled Oct 2025 | No limit | 1 |
|---|
Data collected from the water supplier for your area. Quality ranges are based on WHO, EU and Spanish guidelines.
