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

Last PFAS check: · Source: Hub'eau

Fails the current legal limits

PFAS in drinking water

No 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, none found
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 Morancez, on the same distribution network as Barjouville (BARJOUVILLE-MORANCEZ). 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 perfluorododécanoique (PFDoDA) <0,001 µg/L
Acide perfluoro-octanoïque (PFOA) <0,001 µg/L
Acide perfluoro tridecane sulfonique (PFTrDS) <0,005 µg/L
Acide perfluoro undecane sulfonique (PFUnDS) <0,002 µg/L
Acide perfluoro-nonanoïque (PFNA) <0,001 µg/L
Acide perfluorobutanoïque (PFBA) <0,001 µg/L
Acide perfluorodecane sulfonique (PFDS) <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
Perfluorohexane sulfonate (PFHXS) <0,001 µg/L
Acide perfluoroheptanoïque (PFHPA) <0,001 µg/L
Acide sulfonique de perfluorobutane (PFBS) <0,001 µg/L
Acide perfluoro-decanoïque (PFDA) <0,001 µg/L
Acide perfluorododécane sulfonique (PFDoDS) <0,001 µg/L
Acide perfluorohexanoïque (PFHXA) <0,002 µg/L
Acide perfluoropentanoïque (PFPEA) <0,001 µg/L
Acide perfluoropentane sulfonique (PFPS) <0,001 µg/L
Acide perfluorononane sulfonique (PFNS) <0,002 µg/L
Acide sulfonique de perfluorooctane (PFOS) <0,001 µg/L

Fails a current legal limit. The details are below.

EU legal limit
none detected sum of 20 PFAS below the detection limit, limit 100 ng/L
Last PFAS test
22 April 2026
Water supplier
C'CHARTRES EAU

In Barjouville, none of the 4 most closely watched PFAS (PFAS-4) was detected at the latest PFAS check on 22 April 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: <0,001 µg/L, below the EU legal limit (100 ng/L). Sampled in Morancez, on the same network. 2 checks since 3 July 2025: sum of 20 PFAS up to 1 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: C'CHARTRES EAU Latest water check: 2 July 2026 Data updated on

PFAS over time in Barjouville

2 PFAS checks since 3 July 2025, from the published measurements. Samples from 2 communes on the same network: it's the same water, so each one applies to Barjouville.

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

1 ng/L03 July 202522 April 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 at
< 4 ng/L · calculated< 1 ng/LMorancez
< 4 ng/L · calculated1 ng/LBarjouville

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 over at least one limit.

Microbiology: within the limit Chemistry: over the limit

Values to watch

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

What was tested Value Limit Status
Nitrate 49.2 mg/L ≤ 50 mg/L within the limit
See all 20 test results
What was tested Value Limit Status
Nitrate 49.2 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 0.044 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
Fluoride 0.13 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 7.4 unité pH 6.5–9 unité pH within the limit
Water hardness 30.32 °f no limit for reference
Electrical conductivity 654 µS/cm 200–1,100 µS/cm within the limit
Chloride 39.8 mg/L ≤ 250 mg/L within the limit
Sulphate 24.6 mg/L ≤ 250 mg/L within the limit
Sodium 14 mg/L ≤ 200 mg/L within the limit
Iron 58 µg/L ≤ 200 µg/L within the limit
Turbidity 0.43 NFU ≤ 2 NFU within the limit

Frequently asked questions

Is tap water in Barjouville safe to drink?

At the latest check, the water was over at least one limit. “Eau de qualité chimique non conforme en raison du dépassement de la limite de qualité en vigueur pour le paramètre chlorothalonil SA (R417888) et de la valeur indicative de 0,9 µg/L pour le chlorothalonil R471811. Ces non-conformités n’entrainent pas de restriction de consommation de l’eau d’après l’expertise de l’Agence Nationale de Sécurité Sanitaire de l'Alimentation, de l'Environnement et du Travail (ANSES). Un suivi renforcé est mis en place pour le Chlorothalonil SA. Cette situation nécessite de mettre en œuvre un plan d'actions afin de rétablir la qualité de l'eau.”

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

At the latest check the total of 20 PFAS ("forever chemicals") was below the laboratory's reporting limit of 1 ng/L. The EU limit is 100 ng/L, so this water is under 1 % of the limit. (below the EU limit)

Does the water in Barjouville 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 Barjouville'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 Barjouville?

The water hardness in Barjouville is 30.3 °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 Barjouville, so in principle the same water.

Nearby communes

The closest to Barjouville 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=28024
License
Licence Ouverte / Open Licence (Etalab)
Retrieved
21 September 2026
Supply networks
BARJOUVILLE-MORANCEZ

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