PFAS in Pîtres's tap water: 8.1 ng/L, 16.2x our 0.5 ng/L benchmark

Last PFAS check: · Source: Hub'eau

PFAS in drinking water

16.2× above our health benchmark

Amount found in the water 8.1 ng/L 0.0081 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.

Sample taken in Le Vaudreuil, on the same distribution network as Pîtres (VAL DE REUIL). 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 95% of the cities we track

20 PFAS (see each substance)
PFAS substance Value
Acide perfluoropentanoïque (PFPEA) 0.0044 µg/L
Acide perfluorobutanoïque (PFBA) 0.0042 µg/L
Perfluorohexane sulfonate (PFHXS) 0.0041 µg/L
Acide perfluorohexanoïque (PFHXA) 0.0026 µg/L
Acide sulfonique de perfluorooctane (PFOS) 0.0022 µg/L
Acide perfluoro-octanoïque (PFOA) 0.0018 µg/L
Acide sulfonique de perfluorobutane (PFBS) 0.0016 µg/L
Acide perfluoro-decanoïque (PFDA) <0,001 µg/L
Acide perfluoro undecane sulfonique (PFUnDS) <0,001 µg/L
Acide perfluoroheptane sulfonique (PFHpS) <0,0010 µg/L
Acide perfluoro-nonanoïque (PFNA) <0,0010 µg/L
Acide perfluorododécane sulfonique (PFDoDS) <0,0020 µg/L
Acide perfluoropentane sulfonique (PFPS) <0,0010 µg/L
Acide perfluoroheptanoïque (PFHPA) <0,0010 µg/L
Acide perfluoro tridecanoique (PFTrDA) <0,002 µg/L
Acide perfluorododécanoique (PFDoDA) <0,0010 µg/L
Acide perfluoro undecanoïque (PFUnA) <0,0010 µg/L
Acide perfluorodecane sulfonique (PFDS) <0,0010 µg/L
Acide perfluoro tridecane sulfonique (PFTrDS) <0,005 µg/L
Acide perfluorononane sulfonique (PFNS) <0,0010 µg/L

Above our health benchmark. Here are some filter options.

EU legal limit
20.9 ng/L sum of 20 PFAS, below the 100 ng/L limit
Last PFAS test
8 June 2026
Water supplier
VEOLIA EAU CGE LOUVIERS

In Pîtres, the 4 most closely watched PFAS (PFAS-4) add up to 8.1 ng/L (0.0081 µg/L) at the latest PFAS check on 8 June 2026. That's 16.2 times our 0.5 ng/L health benchmark, and above Sweden's legal limit of 4 ng/L. Sum of 20 PFAS: 20.9 ng/L (0.0209 µg/L), below the EU legal limit (100 ng/L). Sampled in Le Vaudreuil, on the same network. 7 checks since 16 January 2025: sum of 20 PFAS up to 25.6 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: VEOLIA EAU CGE LOUVIERS Latest water check: 7 July 2026 Data updated on

PFAS over time in Pîtres

7 PFAS checks since 16 January 2025, from the published measurements. Samples from 4 communes on the same network: it's the same water, so each one applies to Pîtres. Samples come from 2 distribution networks. The trend refers to the network “VAL DE REUIL”.

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

25.6 ng/L016 January 20258 June 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
8.1 ng/L – < 9.1 ng/L · calculated20.9 ng/LLe VaudreuilVAL DE REUIL
1.6 ng/L – < 4.6 ng/L · calculated1.6 ng/LAlizayALIZAY
9.2 ng/L – < 10.2 ng/L · calculated25.6 ng/LVal-de-ReuilVAL DE REUIL
5.5 ng/L – < 6.5 ng/L · calculated12.6 ng/LVal-de-ReuilVAL DE REUIL
6.3 ng/L – < 9.3 ng/L · calculated9.6 ng/LVal-de-ReuilVAL DE REUIL
< 6 ng/L · calculated< detection limitPont-Saint-PierreALIZAY
5 ng/L – < 8 ng/L · calculated7 ng/LVal-de-ReuilVAL DE REUIL

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 17 test results
What was tested Value Limit Status
Nitrate 20.1 mg/L ≤ 50 mg/L within the limit
Nitrite <0,010 mg/L ≤ 0.5 mg/L within the limit
Lead <2,0 µg/L ≤ 10 µg/L within the limit
Copper 0.005 mg/L ≤ 2 mg/L within the limit
Nickel <1 µg/L ≤ 20 µg/L within the limit
Cadmium <0,10 µg/L ≤ 5 µg/L within the limit
Chromium 0.55 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 7.8 unité pH 6.5–9 unité pH within the limit
Water hardness 29.3 °f no limit for reference
Electrical conductivity 562 µS/cm 200–1,100 µS/cm within the limit
Chloride 14.4 mg/L ≤ 250 mg/L within the limit
Sulphate 7.6 mg/L ≤ 250 mg/L within the limit
Iron <5,0 µg/L ≤ 200 µg/L within the limit
Turbidity 1.82 NFU ≤ 2 NFU within the limit

Frequently asked questions

Is tap water in Pîtres safe to drink?

Yes. At the check on 7 July 2026, the tap water in Pîtres 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 Pîtres's drinking water?

The total of 20 PFAS ("forever chemicals") was last measured at 20.9 ng/L. The EU limit is 100 ng/L, so this water is at 21 % of the limit. (below the EU limit)

Does the water in Pîtres also meet the strictest limits in Europe?

No. The four most harmful PFAS add up to 8.1 ng/L. That is 2 times Sweden's legal limit of 4 ng/L, in force since 2026. Germany will set a similar one in 2028. The water still passes the current EU legal limit (100 ng/L for the total of 20 PFAS).

Are PFAS levels rising in Pîtres'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 Pîtres?

The water hardness in Pîtres is 29.3 °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.

Same water network

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

Nearby communes

The closest to Pîtres 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=27458
License
Licence Ouverte / Open Licence (Etalab)
Retrieved
21 September 2026
Supply networks
ALIZAY, VAL DE REUIL

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