Drinking water quality in Grand-Fougeray
PFAS in drinking water
The total of 20 PFAS ("forever chemicals") was last measured at 0.0029 µg/L. The EU limit is 0.1 µg/L, so this water is at 3 % of the limit. (26 March 2026)
The four most harmful PFAS add up to 0.0029 µg/L, below the health limit of 0.004 µg/L used in Sweden since 2026.
One of these four, PFOA, is classified as causing cancer in humans by the WHO's cancer research agency (IARC).
Substances too small to measure count as 0, so the real total may be higher.
20 PFAS (see each substance)
| Acide sulfonique de perfluorooctane (PFOS) | 0.002 µg/L |
| Perfluorohexane sulfonate (PFHXS) | 0.0009 µg/L |
| Acide perfluoro undecane sulfonique (PFUnDS) | <0,00040 µg/L |
| Acide perfluoro-octanoïque (PFOA) | <0,0010 µg/L |
| Acide perfluorodecane sulfonique (PFDS) | <0,00040 µg/L |
| Acide perfluoro tridecanoique (PFTrDA) | <0,0010 µg/L |
| Acide perfluorododécane sulfonique (PFDoDS) | <0,00040 µg/L |
| Acide perfluoro tridecane sulfonique (PFTrDS) | <0,00040 µg/L |
| Acide perfluorododécanoique (PFDoDA) | <0,0010 µg/L |
| Acide perfluoroheptane sulfonique (PFHpS) | <0,00040 µg/L |
| Acide perfluoropentanoïque (PFPEA) | <0,0050 µg/L |
| Acide sulfonique de perfluorobutane (PFBS) | <0,00040 µg/L |
| Acide perfluoroheptanoïque (PFHPA) | <0,0010 µg/L |
| Acide perfluorononane sulfonique (PFNS) | <0,00040 µg/L |
| Acide perfluorohexanoïque (PFHXA) | <0,0010 µg/L |
| Acide perfluoro undecanoïque (PFUnA) | <0,0010 µg/L |
| Acide perfluoropentane sulfonique (PFPS) | <0,00040 µg/L |
| Acide perfluoro-decanoïque (PFDA) | <0,0010 µg/L |
| Acide perfluoro-nonanoïque (PFNA) | <0,0010 µg/L |
| Acide perfluorobutanoïque (PFBA) | N.M. µg/L |
Water report for Grand-Fougeray
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Official assessment
The latest official test passed all quality requirements.
„Eau d'alimentation conforme aux exigences de qualité en vigueur pour l'ensemble des paramètres mesurés.“
Values to watch
These values are at least halfway to their legal limit, or over it.
| Parameter | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 29.7 mg/L | ≤ 50 mg/L | within limit |
| Nickel | 12.1 µg/L | ≤ 20 µg/L | within limit |
Show all 21 official measurements
| Parameter | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 29.7 mg/L | ≤ 50 mg/L | within limit |
| Nitrite | <0,02 mg/L | ≤ 0.5 mg/L | within limit |
| Lead | 1.2 µg/L | ≤ 10 µg/L | within limit |
| Copper | 0.0503 mg(Cu)/L | ≤ 2 mg(Cu)/L | within limit |
| Nickel | 12.1 µg/L | ≤ 20 µg/L | within limit |
| Arsenic | <0,20 µg/L | ≤ 10 µg/L | within limit |
| Cadmium | 0.031 µg/L | ≤ 5 µg/L | within limit |
| Chromium | <1,0 µg/L | ≤ 50 µg/L | within limit |
| Uranium | <0,50 µg/L | ≤ 30 µg/L | within limit |
| Fluoride | 0.059 mg/L | ≤ 1.5 mg/L | within limit |
| Escherichia coli | 0 n/(100mL) | ≤ 0 mL) | within limit |
| Enterococci | 0 n/(100mL) | ≤ 0 mL) | within limit |
| Coliform bacteria | 0 n/(100mL) | ≤ 0 mL) | within limit |
| pH | 7.6 unité pH | 6.5–9 unité pH | within limit |
| Water hardness | 17.9 °f | no limit | informational |
| Electrical conductivity | 439 µS/cm | 200–1,100 µS/cm | within limit |
| Chloride | 30.4 mg/L | ≤ 250 mg/L | within limit |
| Sulphate | 17.1 mg/L | ≤ 250 mg/L | within limit |
| Sodium | 16.3 mg/L | ≤ 200 mg/L | within limit |
| Iron | <20 µg/L | ≤ 200 µg/L | within limit |
| Turbidity | <0,20 NFU | ≤ 2 NFU | within limit |
Frequently asked questions
Is tap water in Grand-Fougeray safe to drink?
Yes. The latest official test (15 April 2026) checked the tap water in Grand-Fougeray and it passed every requirement.
How high are PFAS levels in Grand-Fougeray's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at 0.0029 µg/L. The EU limit is 0.1 µg/L, so this water is at 3 % of the limit. (below the EU limit)
Does the water in Grand-Fougeray 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 0.0029 µg/L stays below.
How hard is the water in Grand-Fougeray?
The water hardness in Grand-Fougeray is 17.9 °f (medium). 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=35124
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 28 August 2026
- Supply networks
- PAYS BAIN_BOUTRATAIS_GRAND FOUGERAY
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.