PFAS in La Bâtie-des-Fonds's tap water: under 4 ng/L, none of the four main PFAS detected
Last PFAS check: · Source: Hub'eau
PFAS in drinking water
No PFAS detected
The lab sees nothing below 4 ng/L, 8 times our benchmark of 0.5 ng/L. Water above our benchmark would pass this check unnoticed.
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.
The lab detects each of the four substances from 1 ng/L upward. None reached that limit, so their total is below 4 ng/L rather than zero.
checked on 28 July 2026
20 PFAS (see each substance)
| PFAS substance | Value |
|---|---|
| Acide perfluoro undecane sulfonique (PFUnDS) | <0,002 µg/L |
| Acide perfluorodecane sulfonique (PFDS) | <0,001 µg/L |
| Acide perfluoro-octanoïque (PFOA) | <0,001 µg/L |
| Acide perfluoroheptanoïque (PFHPA) | <0,001 µg/L |
| Acide perfluoro tridecane sulfonique (PFTrDS) | <0,005 µg/L |
| Acide perfluoroheptane sulfonique (PFHpS) | <0,002 µg/L |
| Acide perfluorododécanoique (PFDoDA) | <0,001 µg/L |
| Acide perfluorohexanoïque (PFHXA) | <0,002 µg/L |
| Acide sulfonique de perfluorobutane (PFBS) | <0,001 µg/L |
| Acide perfluoro tridecanoique (PFTrDA) | <0,001 µg/L |
| Acide perfluoro-nonanoïque (PFNA) | <0,001 µg/L |
| Acide perfluoropentanoïque (PFPEA) | <0,001 µg/L |
| Acide perfluoro-decanoïque (PFDA) | <0,001 µg/L |
| Acide perfluoropentane sulfonique (PFPS) | <0,001 µg/L |
| Acide perfluoro undecanoïque (PFUnA) | <0,001 µg/L |
| Acide perfluorononane sulfonique (PFNS) | <0,002 µg/L |
| Acide sulfonique de perfluorooctane (PFOS) | <0,001 µg/L |
| Acide perfluorododécane sulfonique (PFDoDS) | <0,001 µg/L |
| Perfluorohexane sulfonate (PFHXS) | <0,001 µg/L |
| Acide perfluorobutanoïque (PFBA) | <0,002 µg/L |
Fails a current legal limit. The details are below.
Water report for La Bâtie-des-Fonds
Get new PFAS results for La Bâtie-des-Fonds, with a short explanation. At most one update a week, only when there's something new.
- EU legal limit
- none detected sum of 20 PFAS below the detection limit, limit 100 ng/L
- Last PFAS test
- 28 July 2026
- Water supplier
- MAIRIE DE LA BATIE DES FONDS
In La Bâtie-des-Fonds, none of the 4 most closely watched PFAS (PFAS-4) was detected at the latest PFAS check on 28 July 2026. The total is below 4 ng/L, the sum of the detection limits and 8 times our 0.5 ng/L benchmark. Sum of 20 PFAS: <0,029 µg/L, below the EU legal limit (100 ng/L). 2 checks since 28 July 2026, PFAS-4 always below the detection limit (4 ng/L). Source: Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM).
Details and sources
PFAS over time in La Bâtie-des-Fonds
2 PFAS checks since 28 July 2026, values as published. Samples come from 2 distribution networks. The trend refers to the network “LA BATIE DES FONDS - LA BATIE”.
| Date | PFAS-4 | Sum of 20 PFAS | Network |
|---|---|---|---|
| < 4 ng/L | < 29 ng/L | LA BATIE DES FONDS - LA BATIE | |
| < 4 ng/L | < 29 ng/L | LA BATIE DES FONDS - CHAMEL |
“<” 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 over at least one limit.
Values to watch
These results are close to their legal limit, or over it.
Outside a reference value: Coliform bacteria 5 n/(100mL) on 28 July 2026 (reference ≤ 0 mL)). These are indicator parameters with reference values, not legal limits.
| What was tested | Value | Limit | Status |
|---|---|---|---|
| Escherichia coli | 1 n/(100mL) | ≤ 0 mL) | over the limit |
| Coliform bacteria | 5 n/(100mL) | ≤ 0 mL) | above the reference value |
See all 20 test results
| What was tested | Value | Limit | Status |
|---|---|---|---|
| Nitrate | <0,50 mg/L | ≤ 50 mg/L | within the limit |
| Nitrite | <0,01 mg/L | ≤ 0.5 mg/L | within the limit |
| Lead | <2 µg/L | ≤ 10 µg/L | within the limit |
| Copper | <0,010 mg(Cu)/L | ≤ 2 mg(Cu)/L | within the limit |
| Nickel | <5 µg/L | ≤ 20 µg/L | within the limit |
| Arsenic | <2 µg/L | ≤ 10 µg/L | within the limit |
| Cadmium | <1 µg/L | ≤ 5 µg/L | within the limit |
| Chromium | <5 µg/L | ≤ 50 µg/L | within the limit |
| Fluoride | 0.15 mg/L | ≤ 1.5 mg/L | within the limit |
| Escherichia coli | 1 n/(100mL) | ≤ 0 mL) | over the limit |
| Enterococci | <1 n/(100mL) | ≤ 0 mL) | within the limit |
| Coliform bacteria | 5 n/(100mL) | ≤ 0 mL) | above the reference value |
| pH | 7.4 unité pH | 6.5–9 unité pH | within the limit |
| Water hardness | 27.17 °f | no limit | for reference |
| Electrical conductivity | 504 µS/cm | 200–1,100 µS/cm | within the limit |
| Chloride | 1 mg/L | ≤ 250 mg/L | within the limit |
| Sulphate | 4.2 mg/L | ≤ 250 mg/L | within the limit |
| Sodium | 4.7 mg/L | ≤ 200 mg/L | within the limit |
| Iron | <10 µg/L | ≤ 200 µg/L | within the limit |
| Turbidity | 0.24 NFU | ≤ 2 NFU | within the limit |
Frequently asked questions
Is tap water in La Bâtie-des-Fonds safe to drink?
At the latest check, the water was over at least one limit. “Eau NON CONFORME à la norme Distribution, en Bactériologie. Les mesures de correction nécessaires ont été préconisées au gestionnaire du réseau. Cf. bulletin d'alerte du 30/07. Un nouveau prélèvement sera réalisé après leur mise en œuvre.”
How high are PFAS levels in La Bâtie-des-Fonds's drinking water?
At the latest check the total of 20 PFAS ("forever chemicals") was below the laboratory's reporting limit of 29 ng/L. The EU limit is 100 ng/L, so this water is under 29 % of the limit. (below the EU limit)
Does the water in La Bâtie-des-Fonds also meet the strictest limits in Europe?
As far as this check can tell, yes. None of the four compounds was quantified, so their total is below 4 ng/L, the sum of the laboratory's detection limits, and under Sweden's legal limit of 4 ng/L in force since 2026.
Are PFAS levels rising in La Bâtie-des-Fonds's tap water?
Too few quantified checks to say (0 since 28 July 2026). pfasnearme adds each new publication weekly; a trend needs at least three quantified values.
How hard is the water in La Bâtie-des-Fonds?
The water hardness in La Bâtie-des-Fonds is 27.2 °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 21 September 2026.
Nearby communes
The closest to La Bâtie-des-Fonds 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=26030
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 21 September 2026
- Supply networks
- LA BATIE DES FONDS - LA BATIE, LA BATIE DES FONDS - CHAMEL
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.