PFAS in La Grande-Motte's tap water: 2 ng/L, 4x our 0.5 ng/L benchmark
Last PFAS check: · Source: Hub'eau
PFAS in drinking water
4× 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 Mauguio, on the same distribution network as La Grande-Motte (POA-LA GRANDE MOTTE). 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 85% of the cities we track
checked on 1 July 2026
20 PFAS (see each substance)
| PFAS substance | Value |
|---|---|
| Acide perfluoropentanoïque (PFPEA) | 0.009 µg/L |
| Acide perfluorohexanoïque (PFHXA) | 0.008 µg/L |
| Acide perfluorobutanoïque (PFBA) | 0.007 µg/L |
| Acide perfluoroheptanoïque (PFHPA) | 0.002 µg/L |
| Acide sulfonique de perfluorobutane (PFBS) | 0.002 µg/L |
| Perfluorohexane sulfonate (PFHXS) | 0.001 µg/L |
| Acide perfluoro-octanoïque (PFOA) | 0.001 µg/L |
| Acide perfluoro undecane sulfonique (PFUnDS) | <0,002 µg/L |
| Acide perfluoro undecanoïque (PFUnA) | <0,001 µg/L |
| Acide perfluoro-nonanoïque (PFNA) | <0,001 µg/L |
| Acide perfluoro tridecane sulfonique (PFTrDS) | <0,005 µg/L |
| Acide perfluorododécane sulfonique (PFDoDS) | <0,001 µg/L |
| Acide perfluorononane sulfonique (PFNS) | <0,002 µg/L |
| Acide sulfonique de perfluorooctane (PFOS) | <0,001 µg/L |
| Acide perfluoro tridecanoique (PFTrDA) | <0,001 µg/L |
| Acide perfluorodecane sulfonique (PFDS) | <0,001 µg/L |
| Acide perfluoro-decanoïque (PFDA) | <0,001 µg/L |
| Acide perfluorododécanoique (PFDoDA) | <0,001 µg/L |
| Acide perfluoropentane sulfonique (PFPS) | <0,001 µg/L |
| Acide perfluoroheptane sulfonique (PFHpS) | <0,002 µg/L |
Above our health benchmark. Here are some filter options.
- EU legal limit
- 30 ng/L sum of 20 PFAS, below the 100 ng/L limit
- Last PFAS test
- 1 July 2026
- Water supplier
- S.A.U.R. SECTEUR HERAULT-EST
In La Grande-Motte, the 4 most closely watched PFAS (PFAS-4) add up to 2 ng/L (0.002 µg/L) at the latest PFAS check on 1 July 2026. That's 4 times our 0.5 ng/L health benchmark, but below Sweden's legal limit of 4 ng/L. Sum of 20 PFAS: 30 ng/L (0.03 µg/L), below the EU legal limit (100 ng/L). Sampled in Mauguio, on the same network. 2 checks since 8 June 2026: PFAS-4 from 2 ng/L to 3 ng/L. Source: Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM).
Details and sources
PFAS over time in La Grande-Motte
2 PFAS checks since 8 June 2026, values as published. Samples from 2 communes on the same network: it's the same water, so each one applies to La Grande-Motte.
| Date | PFAS-4 | Sum of 20 PFAS | Sampled at |
|---|---|---|---|
| 2 ng/L | 30 ng/L | Mauguio | |
| 3 ng/L | 15 ng/L | La Grande-Motte |
“<” 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.
See all 21 test results
| What was tested | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 7.4 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 |
| Uranium | <10 µg/L | ≤ 30 µg/L | within the limit |
| Fluoride | 0.11 mg/L | ≤ 1.5 mg/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 | 7.73 unité pH | 6.5–9 unité pH | within the limit |
| Water hardness | 22.34 °f | no limit | for reference |
| Electrical conductivity | 431 µS/cm | 200–1,100 µS/cm | within the limit |
| Chloride | 21.6 mg/L | ≤ 250 mg/L | within the limit |
| Sulphate | 69 mg/L | ≤ 250 mg/L | within the limit |
| Sodium | 11.8 mg/L | ≤ 200 mg/L | within the limit |
| Iron | <10 µg/L | ≤ 200 µg/L | within the limit |
| Turbidity | 0.14 NFU | ≤ 2 NFU | within the limit |
Frequently asked questions
Is tap water in La Grande-Motte safe to drink?
Yes. At the check on 28 July 2026, the tap water in La Grande-Motte was within every limit tested. “Eau d'alimentation conforme aux exigences de qualité en vigueur pour l'ensemble des paramètres mesurés.”
How high are PFAS levels in La Grande-Motte's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at 30 ng/L. The EU limit is 100 ng/L, so this water is at 30 % of the limit. (below the EU limit)
Does the water in La Grande-Motte 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 ng/L stays below.
Are PFAS levels rising in La Grande-Motte's tap water?
Too few quantified checks to say (2 since 8 June 2026). pfasnearme adds each new publication weekly; a trend needs at least three quantified values.
How hard is the water in La Grande-Motte?
The water hardness in La Grande-Motte is 22.3 °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 Grande-Motte 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=34344
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 21 September 2026
- Supply networks
- POA-LA GRANDE MOTTE
Water report for La Grande-Motte
Get new PFAS results for La Grande-Motte, 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.