PFAS in Charmentray's tap water: 3 ng/L, 6x our 0.5 ng/L benchmark

Last PFAS check: · Source: Hub'eau

PFAS in drinking water

6× above our health benchmark

Amount found in the water 3 ng/L 0.003 µg/L · the 4 most harmful PFAS (PFAS-4)
Our health benchmark 0.5 ng/L

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

20 PFAS (see each substance)
PFAS substance Value
Perfluorohexane sulfonate (PFHXS) 0.002 µg/L
Acide perfluoropentanoïque (PFPEA) 0.001 µg/L
Acide sulfonique de perfluorooctane (PFOS) 0.001 µg/L
Acide sulfonique de perfluorobutane (PFBS) 0.001 µg/L
Acide perfluoropentane sulfonique (PFPS) <0,001 µg/L
Acide perfluoro tridecane sulfonique (PFTrDS) <0,005 µg/L
Acide perfluoroheptanoïque (PFHPA) <0,001 µg/L
Acide perfluoroheptane sulfonique (PFHpS) <0,002 µg/L
Acide perfluoro undecanoïque (PFUnA) <0,001 µg/L
Acide perfluoro tridecanoique (PFTrDA) <0,001 µg/L
Acide perfluorohexanoïque (PFHXA) <0,002 µg/L
Acide perfluorononane sulfonique (PFNS) <0,002 µg/L
Acide perfluoro-octanoïque (PFOA) <0,001 µg/L
Acide perfluorodecane sulfonique (PFDS) <0,001 µg/L
Acide perfluoro undecane sulfonique (PFUnDS) <0,002 µg/L
Acide perfluorododécane sulfonique (PFDoDS) <0,001 µg/L
Acide perfluorododécanoique (PFDoDA) <0,001 µg/L
Acide perfluorobutanoïque (PFBA) <0,002 µg/L
Acide perfluoro-nonanoïque (PFNA) <0,001 µg/L
Acide perfluoro-decanoïque (PFDA) <0,001 µg/L

Above our health benchmark. Here are some filter options.

EU legal limit
5 ng/L sum of 20 PFAS, below the 100 ng/L limit
Last PFAS test
29 August 2025
Water supplier
SAUR CENTRE ILE DE FRANCE

In Charmentray, the 4 most closely watched PFAS (PFAS-4) add up to 3 ng/L (0.003 µg/L) at the latest PFAS check on 29 August 2025. That's 6 times our 0.5 ng/L health benchmark, but below Sweden's legal limit of 4 ng/L. Sum of 20 PFAS: 5 ng/L (0.005 µg/L), below the EU legal limit (100 ng/L). Source: Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM).

Details and sources
Water supplier: SAUR CENTRE ILE DE FRANCE Latest water check: 30 July 2026 Data updated on

PFAS over time in Charmentray

A single PFAS check has been published for Charmentray so far (29 August 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.

Microbiology: within the limit Chemistry: within the limit

Values to watch

These results are close to their legal limit, or over it.

Outside a reference value: Electrical conductivity 1,145 µS/cm on 9 July 2026 (reference 200–1,100 µS/cm). These are indicator parameters with reference values, not legal limits.

What was tested Value Limit Status
Nitrate 41.5 mg/L ≤ 50 mg/L within the limit
Electrical conductivity 1,145 µS/cm 200–1,100 µS/cm above the reference value
See all 17 test results
What was tested Value Limit Status
Nitrate 41.5 mg/L ≤ 50 mg/L within the limit
Nitrite <0,01 mg/L ≤ 0.5 mg/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 0.53 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 7.3 unité pH 6.5–9 unité pH within the limit
Water hardness 56.93 °f no limit for reference
Electrical conductivity 1,145 µS/cm 200–1,100 µS/cm above the reference value
Chloride 57 mg/L ≤ 250 mg/L within the limit
Sulphate 164 mg/L ≤ 250 mg/L within the limit
Sodium 23.3 mg/L ≤ 200 mg/L within the limit
Iron <10 µg/L ≤ 200 µg/L within the limit
Turbidity 0.17 NFU ≤ 2 NFU within the limit

Frequently asked questions

Is tap water in Charmentray safe to drink?

Yes. At the check on 30 July 2026, the tap water in Charmentray was within every limit tested. Outside a reference value: Electrical conductivity 1,145 µS/cm on 9 July 2026 (reference 200–1,100 µS/cm). These are indicator parameters with reference values, not legal limits. “Eau d'alimentation ne satisfaisant pas aux références de qualité pour les paramètres germes aérobies revivifiables à 22°C et 36°C. Un nouveau recontrôle effectué le 06/08/2026 a montré un retour à la normale quant à la qualité de l'eau distribuée.”

How high are PFAS levels in Charmentray's drinking water?

The total of 20 PFAS ("forever chemicals") was last measured at 5 ng/L. The EU limit is 100 ng/L, so this water is at 5 % of the limit. (below the EU limit)

Does the water in Charmentray 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 3 ng/L stays below.

How hard is the water in Charmentray?

The water hardness in Charmentray is 56.9 °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 21 September 2026.

Same water network

Same distribution network as Charmentray, so in principle the same water.

Nearby communes

The closest to Charmentray 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=77094
License
Licence Ouverte / Open Licence (Etalab)
Retrieved
21 September 2026
Supply networks
PRECY SUR MARNE - SMAEP TMM

This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.