Drinking water quality in Noues de Sienne
PFAS in drinking water
The total of 20 PFAS ("forever chemicals") was last measured at 0.0017 µg/L. The EU limit is 0.1 µg/L, so this water is at 2 % of the limit. (17 June 2026)
The four most harmful PFAS add up to 0 µg/L, below the health limit of 0.004 µg/L used in Sweden since 2026.
Substances too small to measure count as 0, so the real total may be higher.
20 PFAS (see each substance)
| Acide perfluorobutanoïque (PFBA) | 0.0017 µg/L |
| Acide perfluoroheptane sulfonique (PFHpS) | <0,001 µg/L |
| Acide sulfonique de perfluorobutane (PFBS) | <0,0010 µg/L |
| Acide perfluoropentane sulfonique (PFPS) | <0,0010 µg/L |
| Perfluorohexane sulfonate (PFHXS) | <0,0010 µg/L |
| Acide perfluoro tridecanoique (PFTrDA) | <0,002 µg/L |
| Acide perfluoro-decanoïque (PFDA) | <0,001 µg/L |
| Acide perfluorododécanoique (PFDoDA) | <0,0010 µg/L |
| Acide perfluorononane sulfonique (PFNS) | <0,001 µg/L |
| Acide perfluorodecane sulfonique (PFDS) | <0,001 µg/L |
| Acide perfluoro undecanoïque (PFUnA) | <0,001 µg/L |
| Acide perfluoropentanoïque (PFPEA) | <0,001 µg/L |
| Acide perfluorohexanoïque (PFHXA) | <0,0010 µg/L |
| Acide perfluoro-octanoïque (PFOA) | <0,001 µg/L |
| Acide sulfonique de perfluorooctane (PFOS) | <0,001 µg/L |
| Acide perfluoro tridecane sulfonique (PFTrDS) | <0,005 µg/L |
| Acide perfluorododécane sulfonique (PFDoDS) | <0,0020 µg/L |
| Acide perfluoro-nonanoïque (PFNA) | <0,0010 µg/L |
| Acide perfluoro undecane sulfonique (PFUnDS) | <0,001 µg/L |
| Acide perfluoroheptanoïque (PFHPA) | <0,0010 µg/L |
Water report for Noues de Sienne
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Official assessment
The latest official test passed all quality requirements.
„L’eau était, au moment du prélèvement, conforme aux normes bactériologiques et conforme aux limites de qualité physico-chimiques. Il convient de noter le caractère légèrement agressif de l’eau (équilibre calco-carbonique supérieur à la référence de qualité).“
Show all 20 official measurements
| Parameter | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 6 mg/L | ≤ 50 mg/L | within limit |
| Nitrite | <0,010 mg/L | ≤ 0.5 mg/L | within limit |
| Lead | 0.54 µg/L | ≤ 10 µg/L | within limit |
| Copper | 0.55 mg(Cu)/L | ≤ 2 mg(Cu)/L | within limit |
| Nickel | 1.2 µg/L | ≤ 20 µg/L | within limit |
| Arsenic | <0,25 µg/L | ≤ 10 µg/L | within limit |
| Cadmium | <0,025 µg/L | ≤ 5 µg/L | within limit |
| Chromium | <0,50 µg/L | ≤ 50 µg/L | within limit |
| Fluoride | <0,10 mg/L | ≤ 1.5 mg/L | within limit |
| Escherichia coli | <1 n/(100mL) | ≤ 0 mL) | within limit |
| Enterococci | <1 n/(100mL) | ≤ 0 mL) | within limit |
| Coliform bacteria | <1 n/(100mL) | ≤ 0 mL) | within limit |
| pH | 7.8 unité pH | 6.5–9 unité pH | within limit |
| Water hardness | 8 °f | no limit | informational |
| Electrical conductivity | 289 µS/cm | 200–1,100 µS/cm | within limit |
| Chloride | 32.9 mg/L | ≤ 250 mg/L | within limit |
| Sulphate | 4.34 mg/L | ≤ 250 mg/L | within limit |
| Sodium | 12.8 mg/L | ≤ 200 mg/L | within limit |
| Iron | 107 µg/L | ≤ 200 µg/L | within limit |
| Turbidity | 0.86 NFU | ≤ 2 NFU | within limit |
Frequently asked questions
Is tap water in Noues de Sienne safe to drink?
Yes. The latest official test (17 June 2026) checked the tap water in Noues de Sienne and it passed every requirement.
How high are PFAS levels in Noues de Sienne's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at 0.0017 µg/L. The EU limit is 0.1 µg/L, so this water is at 2 % of the limit. (below the EU limit)
Does the water in Noues de Sienne also meet the strictest limits in Europe?
Yes. Even against Europe's strictest limit, the health limit of 0.004 µg/L used in Sweden since 2026, the measured value of 0 µg/L stays below.
How hard is the water in Noues de Sienne?
The water hardness in Noues de Sienne is 8 °f (soft). This mainly matters for household appliances and detergent dosing, not for health.
Where does this data come from?
All values come from official publications: Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM). Retrieved on 28 August 2026.
Data source
- Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM)
- https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_commune=14658
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 28 August 2026
- Supply networks
- HAMERIE, COURSON, GUERMONDERIE, MESNIL CLINCHAMPS, FONTENERMONT
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.