PFAS in La Chapelle-Glain's tap water: 1.4 ng/L, 2.8x our 0.5 ng/L benchmark
Last PFAS check: · Source: Hub'eau
PFAS in drinking water
2.8× 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.
Sample taken in Vallons-de-l'Erdre, on the same distribution network as La Chapelle-Glain (SECTEUR-ST SULPICE DES LANDES). The health authority samples one tap per network; a network carries the same treated water everywhere.
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 84% of the cities we track
checked on 2 June 2026
20 PFAS (see each substance)
| PFAS substance | Value |
|---|---|
| Perfluorohexane sulfonate (PFHXS) | 0.0014 µg/L |
| Acide perfluorohexanoïque (PFHXA) | <0,001 µg/L |
| Acide perfluorododécane sulfonique (PFDoDS) | <0,0015 µg/L |
| Acide sulfonique de perfluorooctane (PFOS) | <0,0015 µg/L |
| Acide perfluoro undecane sulfonique (PFUnDS) | <0,0015 µg/L |
| Acide perfluorononane sulfonique (PFNS) | <0,001 µg/L |
| Acide perfluoropentane sulfonique (PFPS) | <0,001 µg/L |
| Acide perfluoropentanoïque (PFPEA) | <0,0005 µg/L |
| Acide perfluoro-octanoïque (PFOA) | <0,0005 µg/L |
| Acide perfluoroheptane sulfonique (PFHpS) | <0,001 µg/L |
| Acide perfluorobutanoïque (PFBA) | <0,0015 µg/L |
| Acide perfluorododécanoique (PFDoDA) | <0,0015 µg/L |
| Acide perfluorodecane sulfonique (PFDS) | <0,001 µg/L |
| Acide perfluoro tridecanoique (PFTrDA) | <0,001 µg/L |
| Acide perfluoroheptanoïque (PFHPA) | <0,001 µg/L |
| Acide perfluoro tridecane sulfonique (PFTrDS) | <0,0015 µg/L |
| Acide sulfonique de perfluorobutane (PFBS) | <0,001 µg/L |
| Acide perfluoro-nonanoïque (PFNA) | <0,0005 µg/L |
| Acide perfluoro-decanoïque (PFDA) | <0,0015 µg/L |
| Acide perfluoro undecanoïque (PFUnA) | <0,0015 µg/L |
Above our health benchmark. Here are some filter options.
- EU legal limit
- 1.4 ng/L sum of 20 PFAS, below the 100 ng/L limit
- Last PFAS test
- 2 June 2026
- Water supplier
- VEOLIA
In La Chapelle-Glain, the 4 most closely watched PFAS (PFAS-4) add up to 1.4 ng/L (0.0014 µg/L) at the latest PFAS check on 2 June 2026. That's 2.8 times our 0.5 ng/L health benchmark, but below Sweden's legal limit of 4 ng/L. Sum of 20 PFAS: 1.4 ng/L (0.0014 µg/L), below the EU legal limit (100 ng/L). Sampled in Vallons-de-l'Erdre, on the same network. 2 checks since 4 December 2025: sum of 20 PFAS from 1.4 ng/L to 3.5 ng/L. Source: Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM).
Details and sources
PFAS over time in La Chapelle-Glain
2 PFAS checks since 4 December 2025, from the published measurements.
“Calculated”: PFAS-4 worked out from the four substances in the same sample. The chart, averages and trends use lab-published sums only.
| Date | PFAS-4 | Sum of 20 PFAS | Sampled at |
|---|---|---|---|
| 1.4 ng/L – < 3.9 ng/L · calculated | 1.4 ng/L | Vallons-de-l'Erdre | |
| 2.1 ng/L – < 5.6 ng/L · calculated | 3.5 ng/L | Vallons-de-l'Erdre |
Calculated values: “<” is an upper bound from published thresholds, “≥” a lower bound, “–” means no published sum or complete measurement. How to read a PFAS result
What the latest check found
The authorities have not published an overall verdict for this water.
See all 15 test results
| What was tested | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 20 mg/L | ≤ 50 mg/L | within the limit |
| Nitrite | <0,010 mg/L | ≤ 0.5 mg/L | within the limit |
| Lead | 2.7 µg/L | ≤ 10 µg/L | within the limit |
| Copper | 0.0804 mg(Cu)/L | ≤ 2 mg(Cu)/L | within the limit |
| Nickel | 3.2 µg/L | ≤ 20 µg/L | within the limit |
| Escherichia coli | <1 n/(100mL) | ≤ 0 mL) | within the limit |
| Enterococci | <1 n/(100mL) | ≤ 0 mL) | within the limit |
| Coliform bacteria | <1 n/(100mL) | ≤ 0 mL) | within the limit |
| pH | 7.7 unité pH | 6.5–9 unité pH | within the limit |
| Water hardness | 33.4 °f | no limit | for reference |
| Electrical conductivity | 731 µS/cm | 200–1,100 µS/cm | within the limit |
| Chloride | 32.1 mg/L | ≤ 250 mg/L | within the limit |
| Sulphate | 54.5 mg/L | ≤ 250 mg/L | within the limit |
| Iron | 4 µg/L | ≤ 200 µg/L | within the limit |
| Turbidity | 0.59 NFU | ≤ 2 NFU | within the limit |
Frequently asked questions
Is tap water in La Chapelle-Glain safe to drink?
All the values shown here (2 June 2026) are within the legal limits, but the authorities have not published an overall verdict for this water. “Eau d'alimentation conforme aux exigences de qualité en vigueur pour l'ensemble des paramètres mesurés.”
How high are PFAS levels in La Chapelle-Glain's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at 1.4 ng/L. The EU limit is 100 ng/L, so this water is at 1 % of the limit. (below the EU limit)
Does the water in La Chapelle-Glain 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 1.4 ng/L stays below.
Are PFAS levels rising in La Chapelle-Glain's tap water?
Calculated PFAS-4 values are listed in the table. The chart uses laboratory-published sum-of-20 results; there are too few laboratory-published PFAS-4 sums for the existing trend calculation.
How hard is the water in La Chapelle-Glain?
The water hardness in La Chapelle-Glain is 33.4 °f (hard). 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 September 2026.
Same water network
Same distribution network as La Chapelle-Glain, so in principle the same water.
Nearby communes
The closest to La Chapelle-Glain 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=44031
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 28 September 2026
- Supply networks
- SECTEUR-ST SULPICE DES LANDES
Water report for La Chapelle-Glain
Get new PFAS results for La Chapelle-Glain, 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.