PFAS in Saint-Thurien's tap water: 2.4 ng/L, 4.8x our 0.5 ng/L benchmark
Last PFAS check: · Source: Hub'eau
PFAS in drinking water
4.8× above our health benchmark
0.5 ng/L is our benchmark, not an official limit. Same EFSA method as Sweden, Denmark and the Netherlands, but stricter. It's a yearly average, compared here with the latest check.
More about this result
The US also limits PFOA and PFOS to 4 ng/L each, per substance.
Substances below the detection limit count as 0, so the real total may be higher.
One of these four, PFOA, is classified as causing cancer in humans by the WHO's cancer research agency (IARC).
More PFAS than in 88% of the cities we track
checked on 14 January 2026
20 PFAS (see each substance)
| PFAS substance | Value |
|---|---|
| Acide perfluoro-octanoïque (PFOA) | 0.0024 µg/L |
| Acide perfluorobutanoïque (PFBA) | <0,005 µg/L |
| Acide sulfonique de perfluorooctane (PFOS) | <0,001 µg/L |
| Perfluorohexane sulfonate (PFHXS) | <0,002 µg/L |
| Acide perfluorododécanoique (PFDoDA) | <0,002 µg/L |
| Acide perfluoro-nonanoïque (PFNA) | <0,001 µg/L |
| Acide perfluoro undecane sulfonique (PFUnDS) | <0,001 µg/L |
| Acide perfluoropentanoïque (PFPEA) | <0,002 µg/L |
| Acide perfluoro tridecanoique (PFTrDA) | <0,002 µg/L |
| Acide perfluoro undecanoïque (PFUnA) | <0,002 µg/L |
| Acide perfluorododécane sulfonique (PFDoDS) | <0,001 µg/L |
| Acide perfluoro-decanoïque (PFDA) | <0,002 µg/L |
| Acide perfluoroheptanoïque (PFHPA) | <0,005 µg/L |
| Acide perfluorohexanoïque (PFHXA) | <0,005 µg/L |
| Acide perfluorononane sulfonique (PFNS) | <0,001 µg/L |
| Acide sulfonique de perfluorobutane (PFBS) | <0,005 µg/L |
| Acide perfluoropentane sulfonique (PFPS) | <0,001 µg/L |
| Acide perfluorodecane sulfonique (PFDS) | <0,001 µg/L |
| Acide perfluoro tridecane sulfonique (PFTrDS) | <0,001 µg/L |
| Acide perfluoroheptane sulfonique (PFHpS) | <0,002 µg/L |
Above our health benchmark. Here are some filter options.
- EU legal limit
- 2.4 ng/L sum of 20 PFAS, below the 100 ng/L limit
- Last PFAS test
- 14 January 2026
- Water supplier
- QUIMPERLE COMMUNAUTE
In Saint-Thurien, the 4 most closely watched PFAS (PFAS-4) add up to 2.4 ng/L (0.0024 µg/L) at the latest PFAS check on 14 January 2026. That's 4.8 times our 0.5 ng/L health benchmark, but below Sweden's legal limit of 4 ng/L. Sum of 20 PFAS: 2.4 ng/L (0.0024 µg/L), below the EU legal limit (100 ng/L). 2 checks since 22 May 2025: PFAS-4 up to 2.4 ng/L, sometimes below the detection limit. Source: Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM).
Details and sources
PFAS over time in Saint-Thurien
2 PFAS checks since 22 May 2025, values as published.
| Date | PFAS-4 | Sum of 20 PFAS |
|---|---|---|
| 2.4 ng/L | 2.4 ng/L | |
| < detection limit | < detection limit |
“<” means not detected, the figure being the detection limit. “–” means not published. Labs have only reported the PFAS-4 sum (SANDRE code 9268) since autumn 2025. How to read a PFAS result
What the latest check found
At the latest check, the water was within every limit tested.
Values to watch
These results are close to their legal limit, or over it.
Outside a reference value: pH 6.2 unité pH on 1 June 2026 (reference 6.5–9 unité pH), Electrical conductivity 181 µS/cm on 1 June 2026 (reference 200–1,100 µS/cm). These are indicator parameters with reference values, not legal limits.
| What was tested | Value | Limit | Status |
|---|---|---|---|
| pH | 6.2 unité pH | 6.5–9 unité pH | below the reference value |
| Electrical conductivity | 181 µS/cm | 200–1,100 µS/cm | below the reference value |
See all 21 test results
| What was tested | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 18 mg/L | ≤ 50 mg/L | within the limit |
| Nitrite | <0,01 mg/L | ≤ 0.5 mg/L | within the limit |
| Lead | <0,4 µg/L | ≤ 10 µg/L | within the limit |
| Copper | <0,0005 mg(Cu)/L | ≤ 2 mg(Cu)/L | within the limit |
| Nickel | <1 µg/L | ≤ 20 µg/L | within the limit |
| Arsenic | <1 µg/L | ≤ 10 µg/L | within the limit |
| Cadmium | 0.1 µg/L | ≤ 5 µg/L | within the limit |
| Chromium | <1 µg/L | ≤ 50 µg/L | within the limit |
| Uranium | 0.44 µg/L | ≤ 30 µg/L | within the limit |
| Fluoride | 0.065 mg/L | ≤ 1.5 mg/L | within the limit |
| Escherichia coli | 0 n/(100mL) | ≤ 0 mL) | within the limit |
| Enterococci | 0 n/(100mL) | ≤ 0 mL) | within the limit |
| Coliform bacteria | 0 n/(100mL) | ≤ 0 mL) | within the limit |
| pH | 6.2 unité pH | 6.5–9 unité pH | below the reference value |
| Water hardness | 4.9 °f | no limit | for reference |
| Electrical conductivity | 181 µS/cm | 200–1,100 µS/cm | below the reference value |
| Chloride | 16.6 mg/L | ≤ 250 mg/L | within the limit |
| Sulphate | 9.6 mg/L | ≤ 250 mg/L | within the limit |
| Sodium | 11.4 mg/L | ≤ 200 mg/L | within the limit |
| Iron | <5 µg/L | ≤ 200 µg/L | within the limit |
| Turbidity | 0.12 NFU | ≤ 2 NFU | within the limit |
Frequently asked questions
Is tap water in Saint-Thurien safe to drink?
Yes. At the check on 1 June 2026, the tap water in Saint-Thurien was within every limit tested. Outside a reference value: pH 6.2 unité pH on 1 June 2026 (reference 6.5–9 unité pH), Electrical conductivity 181 µS/cm on 1 June 2026 (reference 200–1,100 µS/cm). These are indicator parameters with reference values, not legal limits. “Eau d'alimentation conforme aux limites de qualité et non conforme aux références de qualité en raison d'une conductivité inférieure à la valeur de référence minimale de 200µS/cm et un pH inférieur à la référence minimale de 6,5. Eau agressive. Une optimisation du traitement de neutralisation-minéralisation à l'unité de production est nécessaire.”
How high are PFAS levels in Saint-Thurien's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at 2.4 ng/L. The EU limit is 100 ng/L, so this water is at 2 % of the limit. (below the EU limit)
Does the water in Saint-Thurien also meet the strictest limits in Europe?
Yes. Even against Europe's strictest legal limit, Sweden's 4 ng/L in force since 2026, the measured value of 2.4 ng/L stays below.
Are PFAS levels rising in Saint-Thurien's tap water?
Too few quantified checks to say (1 since 22 May 2025). pfasnearme adds each new publication weekly; a trend needs at least three quantified values.
How hard is the water in Saint-Thurien?
The water hardness in Saint-Thurien is 4.9 °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 12 September 2026.
Nearby communes
The closest to Saint-Thurien on this site.
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=29269
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 12 September 2026
- Supply networks
- SAINT-THURIEN (STANG CROSHUEL)
Water report for Saint-Thurien
Get new PFAS results for Saint-Thurien, with a short explanation. At most one update a week, only when there's something new.
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.