PFAS in Chastel-Nouvel'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.
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 1.5 ng/L upward. None reached that limit, so their total is below 6 ng/L rather than zero.
checked on 13 January 2026
20 PFAS (see each substance)
| PFAS substance | Value |
|---|---|
| Acide perfluoroheptane sulfonique (PFHpS) | <0,0015 µg/L |
| Acide perfluoropentane sulfonique (PFPS) | <0,005 µg/L |
| Acide perfluorododécanoique (PFDoDA) | <0,0015 µg/L |
| Acide perfluoro-decanoïque (PFDA) | <0,0015 µg/L |
| Acide perfluoro-nonanoïque (PFNA) | <0,0015 µg/L |
| Acide perfluorododécane sulfonique (PFDoDS) | <0,0015 µg/L |
| Perfluorohexane sulfonate (PFHXS) | <0,0015 µg/L |
| Acide perfluorodecane sulfonique (PFDS) | <0,0015 µg/L |
| Acide sulfonique de perfluorooctane (PFOS) | <0,0015 µg/L |
| Acide perfluorohexanoïque (PFHXA) | <0,0015 µg/L |
| Acide perfluoro-octanoïque (PFOA) | <0,0015 µg/L |
| Acide perfluoro undecanoïque (PFUnA) | <0,0015 µg/L |
| Acide sulfonique de perfluorobutane (PFBS) | <0,005 µg/L |
| Acide perfluoro undecane sulfonique (PFUnDS) | <0,0015 µg/L |
| Acide perfluoro tridecanoique (PFTrDA) | <0,005 µg/L |
| Acide perfluoro tridecane sulfonique (PFTrDS) | <0,0015 µg/L |
| Acide perfluorobutanoïque (PFBA) | <0,005 µg/L |
| Acide perfluoropentanoïque (PFPEA) | <0,0015 µg/L |
| Acide perfluoroheptanoïque (PFHPA) | <0,0015 µg/L |
| Acide perfluorononane sulfonique (PFNS) | <0,0015 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 Chastel-Nouvel
Get new PFAS results for Chastel-Nouvel, 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
- 13 January 2026
- Water supplier
- BRL MENDE
In Chastel-Nouvel, none of the 4 most closely watched PFAS (PFAS-4) was detected at the latest PFAS check on 13 January 2026. 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: <0,044 µg/L, below the EU legal limit (100 ng/L). 3 checks since 6 October 2025, sum of 20 PFAS always below the detection limit (44 ng/L). Source: Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM).
Details and sources
PFAS over time in Chastel-Nouvel
3 PFAS checks since 6 October 2025, from the published measurements. Samples come from 2 distribution networks. The trend refers to the network “LE CHASTEL NOUVEL”.
“Calculated”: PFAS-4 worked out from the four substances in the same sample. The chart, averages and trends use lab-published sums only.
| Date | PFAS-4 | Sum of 20 PFAS | Network |
|---|---|---|---|
| < 6 ng/L | < 44 ng/L | LE CHASTEL NOUVEL | |
| < 6 ng/L · calculated | < 44 ng/L | LE CHASTEL NOUVEL | |
| < 6 ng/L · calculated | < 44 ng/L | 048000271 |
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
The authorities have not published an overall verdict for this water.
Values to watch
These results are close to their legal limit, or over it.
Outside a reference value: Electrical conductivity 55 µS/cm on 4 May 2026 (reference 200–1,100 µS/cm). These are indicator parameters with reference values, not legal limits.
| What was tested | Value | Limit | Status |
|---|---|---|---|
| Arsenic | 9.6 µg/L | ≤ 10 µg/L | within the limit |
| Electrical conductivity | 55 µS/cm | 200–1,100 µS/cm | below the reference value |
See all 21 test results
| What was tested | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 3.6 mg/L | ≤ 50 mg/L | within the limit |
| Nitrite | <0,01 mg/L | ≤ 0.5 mg/L | within the limit |
| Lead | 0.7 µg/L | ≤ 10 µg/L | within the limit |
| Copper | 0.0364 mg(Cu)/L | ≤ 2 mg(Cu)/L | within the limit |
| Nickel | <1 µg/L | ≤ 20 µg/L | within the limit |
| Arsenic | 9.6 µg/L | ≤ 10 µg/L | within the limit |
| Cadmium | 0.1 µg/L | ≤ 5 µg/L | within the limit |
| Chromium | <1 µg/L | ≤ 50 µg/L | within the limit |
| Uranium | 1 µg/L | ≤ 30 µg/L | within the limit |
| Fluoride | 0.043 mg/L | ≤ 1.5 mg/L | within the limit |
| Escherichia coli | 0 n/(100mL) | ≤ 0 mL) | within the limit |
| Enterococci | 0 n/(100mL) | ≤ 0 mL) | within the limit |
| Coliform bacteria | 0 n/(100mL) | ≤ 0 mL) | within the limit |
| pH | 7.9 unité pH | 6.5–9 unité pH | within the limit |
| Water hardness | 1.4 °f | no limit | for reference |
| Electrical conductivity | 55 µS/cm | 200–1,100 µS/cm | below the reference value |
| Chloride | 1.8 mg/L | ≤ 250 mg/L | within the limit |
| Sulphate | 3.4 mg/L | ≤ 250 mg/L | within the limit |
| Sodium | 3.6 mg/L | ≤ 200 mg/L | within the limit |
| Iron | 57 µg/L | ≤ 200 µg/L | within the limit |
| Turbidity | 0.29 NFU | ≤ 2 NFU | within the limit |
Frequently asked questions
Is tap water in Chastel-Nouvel safe to drink?
The authorities have not published an overall verdict for this water. Outside a reference value: Electrical conductivity 55 µS/cm on 4 May 2026 (reference 200–1,100 µS/cm). These are indicator parameters with reference values, not legal limits. “Eau d'alimentation conforme aux exigences de qualité en vigueur pour l'ensemble des paramètres mesurés.”
How high are PFAS levels in Chastel-Nouvel's drinking water?
At the latest check the total of 20 PFAS ("forever chemicals") was below the laboratory's reporting limit of 44 ng/L. The EU limit is 100 ng/L, so this water is under 44 % of the limit. (below the EU limit)
Does the water in Chastel-Nouvel 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.
Are PFAS levels rising in Chastel-Nouvel'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 Chastel-Nouvel?
The water hardness in Chastel-Nouvel is 1.4 °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.
Nearby communes
The closest to Chastel-Nouvel 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=48042
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 21 September 2026
- Supply networks
- LE CHASTEL NOUVEL, ASPRES, LA FAGETTE
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.