PFAS in Toudon's tap water: under 4 ng/L, none of the four main PFAS detected

Last PFAS check: · Source: Hub'eau

PFAS in drinking water

None of the 4 most harmful PFAS detected

Amount found in the water < 4 ng/L the 4 most harmful PFAS (PFAS-4) · the lab's detection limit 20 PFAS looked for, 1 ng/L found in total
Our health benchmark 0.5 ng/L

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.

Sample taken in Coursegoules, on the same distribution network as Toudon (SIEVI RÉSEAU USINE DE BOUYON). 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 ng/L upward. None reached that limit, so their total is below 4 ng/L rather than zero.

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

None found. The lab sees nothing below 4 ng/L, so our 0.5 ng/L benchmark cannot be checked.

EU legal limit
1 ng/L sum of 20 PFAS, below the 100 ng/L limit
Last PFAS test
2 July 2026
Water supplier
REAAM

In Toudon, none of the 4 most closely watched PFAS (PFAS-4) was detected at the latest PFAS check on 2 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: 1 ng/L (0.001 µg/L), below the EU legal limit (100 ng/L). Sampled in Coursegoules, on the same network. 7 checks since 25 November 2024: sum of 20 PFAS up to 5 ng/L, sometimes below the detection limit. Source: Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM).

Details and sources
Water supplier: REAAM Latest water check: 22 July 2026 Data updated on

PFAS over time in Toudon

7 PFAS checks since 25 November 2024, from the published measurements. Samples from 2 communes on the same network: it's the same water, so each one applies to Toudon. Samples come from 6 distribution networks. The trend refers to the network “SIEVI RÉSEAU USINE DE BOUYON”.

“Calculated”: PFAS-4 worked out from the four substances in the same sample. The chart, averages and trends use lab-published sums only.

5 ng/L025 November 20242 July 2026
Laboratory-published sum of 20 PFAS per check in ng/L. Hollow dots: below the detection limit. Calculated PFAS-4 values are listed in the table.
DatePFAS-4Sum of 20 PFASSampled atNetwork
< 4 ng/L1 ng/LCoursegoulesSIEVI RÉSEAU USINE DE BOUYON, SIEVI RÉSEAU USINE DE BOUYON
< 4 ng/L · calculated< 100 ng/LToudonTOUDON VILLAGE
< 4 ng/L · calculated< 100 ng/LToudonRESEAU TOUDON SAMBUC
< 4 ng/L · calculated3 ng/LToudonTOUDON CHANTEMILAN
< 4 ng/L · calculated< 1 ng/LToudonTOUDON VESCOUS
< 4 ng/L · calculated1 ng/LToudonTOUDON GANDALET
< 4 ng/L · calculated5 ng/LToudonRESEAU TOUDON SAMBUC

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

At the latest check, the water was within every limit tested.

Microbiology: within the limit Chemistry: within the limit
See all 20 test results
What was tested Value Limit Status
Nitrate 2.3 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 0.055 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 N.M. µg/L ≤ 6 µg/L no verdict
Fluoride 0.15 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 8.06 unité pH 6.5–9 unité pH within the limit
Water hardness 36.29 °f no limit for reference
Electrical conductivity 409 µS/cm 200–1,100 µS/cm within the limit
Chloride 2.5 mg/L ≤ 250 mg/L within the limit
Sulphate 28.1 mg/L ≤ 250 mg/L within the limit
Sodium 5.2 mg/L ≤ 200 mg/L within the limit
Iron <10 µg/L ≤ 200 µg/L within the limit
Turbidity 0.83 NFU ≤ 2 NFU within the limit

Frequently asked questions

Is tap water in Toudon safe to drink?

Yes. At the check on 22 July 2026, the tap water in Toudon 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 Toudon's drinking water?

The total of 20 PFAS ("forever chemicals") was last measured at 1 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 Toudon 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 Toudon'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 Toudon?

The water hardness in Toudon is 36.3 °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 Toudon, so in principle the same water.

Nearby communes

The closest to Toudon 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=06141
License
Licence Ouverte / Open Licence (Etalab)
Retrieved
21 September 2026
Supply networks
TOUDON VILLAGE, TOUDON VESCOUS, SIEVI RÉSEAU USINE DE BOUYON, TOUDON CHANTEMILAN, RESEAU TOUDON SAMBUC, TOUDON GANDALET

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