Drinking water quality in Combs-la-Ville
PFAS in drinking water
The total of 20 PFAS ("forever chemicals") was last measured at 0.001 µg/L. The EU limit is 0.1 µg/L, so this water is at 1 % of the limit. (12 March 2026)
The four most harmful PFAS add up to 0.001 µg/L, below the health limit of 0.004 µg/L used in Sweden since 2026.
One of these four, PFOA, is classified as causing cancer in humans by the WHO's cancer research agency (IARC).
Substances too small to measure count as 0, so the real total may be higher.
3 PFAS (see each substance)
| Perfluorohexane sulfonate (PFHXS) | 0.001 µg/L |
| Acide perfluoro-decanoïque (PFDA) | <0,001 µg/L |
| Acide perfluoro undecane sulfonique (PFUnDS) | <0,002 µg/L |
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Official assessment
The latest official test passed all quality requirements.
„Eau d'alimentation conforme aux exigences de qualité en vigueur pour l'ensemble des paramètres mesurés. Toutefois, les valeurs en chlore mesurées sont trop faibles. Il est recommandé d'avoir des valeurs minimales de 0,10 mg/l sur l’ensemble du réseau de distribution.“
Show all 19 official measurements
| Parameter | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 24.1 mg/L | ≤ 50 mg/L | within limit |
| Nitrite | <0,01 mg/L | ≤ 0.5 mg/L | within limit |
| Lead | <2 µg/L | ≤ 10 µg/L | within limit |
| Copper | 0.255 mg/L | ≤ 2 mg/L | within limit |
| Nickel | <5 µg/L | ≤ 20 µg/L | within limit |
| Arsenic | <2 µg/L | ≤ 10 µg/L | within limit |
| Chromium | <5 µg/L | ≤ 50 µg/L | within limit |
| Uranium | <10 µg/L | ≤ 30 µg/L | within limit |
| Fluoride | 0.11 mg/L | ≤ 1.5 mg/L | within limit |
| Escherichia coli | <1 n/(100mL) | ≤ 0 mL) | within limit |
| Enterococci | <1 n/(100mL) | ≤ 0 mL) | within limit |
| Coliform bacteria | <1 n/(100mL) | ≤ 0 mL) | within limit |
| pH | 7.46 unité pH | 6.5–9 unité pH | within limit |
| Water hardness | 26.59 °f | no limit | informational |
| Electrical conductivity | 570 µS/cm | 200–1,100 µS/cm | within limit |
| Chloride | 27 mg/L | ≤ 250 mg/L | within limit |
| Sulphate | 39.4 mg/L | ≤ 250 mg/L | within limit |
| Iron | <10 µg/L | ≤ 200 µg/L | within limit |
| Turbidity | 0.12 NFU | ≤ 2 NFU | within limit |
Frequently asked questions
Is tap water in Combs-la-Ville safe to drink?
Yes. The latest official test (4 June 2026) checked the tap water in Combs-la-Ville and it passed every requirement.
How high are PFAS levels in Combs-la-Ville's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at 0.001 µg/L. The EU limit is 0.1 µg/L, so this water is at 1 % of the limit. (below the EU limit)
Does the water in Combs-la-Ville also meet the strictest limits in Europe?
Yes. Even against Europe's strictest limit, the health limit of 0.004 µg/L used in Sweden since 2026, the measured value of 0.001 µg/L stays below.
How hard is the water in Combs-la-Ville?
The water hardness in Combs-la-Ville is 26.59 °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 28 August 2026.
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=77122
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 28 August 2026
- Supply networks
- COMBS-LA-VILLE - CDA GPS
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.