PFAS in Geffosses's tap water: under 6 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 6 ng/L, 12 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.
Sample taken in Gouville-sur-Mer, on the same distribution network as Geffosses (LA VIOLETTE). 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.
The lab detects each of the four substances from 1 to 2 ng/L upward. None reached that limit, so their total is below 6 ng/L rather than zero.
checked on 19 February 2025
20 PFAS (see each substance)
| PFAS substance | Value |
|---|---|
| Acide perfluorododécanoique (PFDoDA) | <0,0020 µg/L |
| Acide perfluorobutanoïque (PFBA) | <0,0050 µg/L |
| Acide perfluorodecane sulfonique (PFDS) | <0,0010 µg/L |
| Acide perfluoropentane sulfonique (PFPS) | <0,0010 µg/L |
| Acide perfluoropentanoïque (PFPEA) | <0,0020 µg/L |
| Acide perfluoro undecane sulfonique (PFUnDS) | <0,0010 µg/L |
| Acide perfluorododécane sulfonique (PFDoDS) | <0,0010 µg/L |
| Acide sulfonique de perfluorooctane (PFOS) | <0,0010 µg/L |
| Acide perfluorononane sulfonique (PFNS) | <0,0010 µg/L |
| Acide perfluoroheptanoïque (PFHPA) | <0,0050 µg/L |
| Acide sulfonique de perfluorobutane (PFBS) | <0,0050 µg/L |
| Acide perfluoro-octanoïque (PFOA) | <0,0020 µg/L |
| Acide perfluorohexanoïque (PFHXA) | <0,0050 µg/L |
| Acide perfluoro-decanoïque (PFDA) | <0,0020 µg/L |
| Acide perfluoro tridecanoique (PFTrDA) | <0,0020 µg/L |
| Acide perfluoro undecanoïque (PFUnA) | <0,0020 µg/L |
| Acide perfluoroheptane sulfonique (PFHpS) | <0,0020 µg/L |
| Acide perfluoro-nonanoïque (PFNA) | <0,0010 µg/L |
| Perfluorohexane sulfonate (PFHXS) | <0,0020 µg/L |
| Acide perfluoro tridecane sulfonique (PFTrDS) | <0,0010 µg/L |
None found. The lab sees nothing below 6 ng/L, so our 0.5 ng/L benchmark cannot be checked.
Water report for Geffosses
Get new PFAS results for Geffosses, 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
- 19 February 2025
- Water supplier
- SAUR NORMANDIE
In Geffosses, none of the 4 most closely watched PFAS (PFAS-4) was detected at the latest PFAS check on 19 February 2025. The total is below 6 ng/L, the sum of the detection limits and 12 times our 0.5 ng/L benchmark. Sum of 20 PFAS: <SEUIL µg/L, below the EU legal limit (100 ng/L). Sampled in Gouville-sur-Mer, on the same network. Source: Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM).
Details and sources
PFAS over time in Geffosses
A single PFAS check has been published for Geffosses so far (19 February 2025). A history will build up with the next checks; this page is refreshed weekly.
What the latest check found
At the latest check, the water was within every limit tested.
See all 14 test results
| What was tested | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 17.2 mg/L | ≤ 50 mg/L | within the limit |
| Nitrite | <0,01 mg/L | ≤ 0.5 mg/L | within the limit |
| Cadmium | <0,025 µg/L | ≤ 5 µg/L | within the limit |
| Chromium | <1,0 µg/L | ≤ 50 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 | 7.6 unité pH | 6.5–9 unité pH | within the limit |
| Water hardness | 13.9 °f | no limit | for reference |
| Electrical conductivity | 393 µS/cm | 200–1,100 µS/cm | within the limit |
| Chloride | 31 mg/L | ≤ 250 mg/L | within the limit |
| Sulphate | 16 mg/L | ≤ 250 mg/L | within the limit |
| Iron | 7.1 µg/L | ≤ 200 µg/L | within the limit |
| Turbidity | <0,10 NFU | ≤ 2 NFU | within the limit |
Frequently asked questions
Is tap water in Geffosses safe to drink?
Yes. At the check on 15 July 2026, the tap water in Geffosses was within every limit tested. “Eau d'alimentation conforme aux limites et références de qualité pour l'ensemble des paramètres mesurés.”
How high are PFAS levels in Geffosses's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at –. The EU limit is 100 ng/L, so this water is at – of the limit. (below the EU limit)
Does the water in Geffosses also meet the strictest limits in Europe?
The check cannot say. None of the four compounds was quantified, but the laboratory's detection limits add up to 6 ng/L, above Sweden's legal limit of 4 ng/L in force since 2026, so a value between the two would go unnoticed.
How hard is the water in Geffosses?
The water hardness in Geffosses is 13.9 °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 21 September 2026.
Same water network
Same distribution network as Geffosses, so in principle the same water.
Nearby communes
The closest to Geffosses 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=50198
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 21 September 2026
- Supply networks
- LA VIOLETTE
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.