Drinking water quality in Combs-la-Ville

Region: Île-de-France Population: 23,350 Water supplier: CDA GRAND PARIS SUD Latest sample: 4 June 2026
Passes the EU legal limit and below the health limit

PFAS in drinking water

EU legal limit
0.001 µg/L Limit: 0.1 µg/L within limit

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)

Health limit (used in Sweden)
0.001 µg/L the 4 most harmful PFAS (PFAS-4) · Limit: 0.004 µg/L below health limit

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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Water report for Combs-la-Ville

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.“

Microbiology: within limit Chemistry: within limit
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

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See every official test result for Combs-la-Ville, including each PFAS substance. Free, just leave your email.

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.