Drinking water quality in Troyes
PFAS in drinking water
The total of 20 PFAS ("forever chemicals") was last measured at <0,005 µg/L. The EU limit is 0.1 µg/L, so this water is at 0 % of the limit. (5 February 2026)
This source does not list each PFAS substance separately, so we cannot compare this water with the health limit.
1 PFAS (see each substance)
| Acide perfluoro undecane sulfonique (PFUnDS) | <0,002 µg/L |
Water report for Troyes
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Official assessment
The latest official test passed all quality requirements.
„Compte tenu des paramètres contrôlés, cette eau est conforme aux limites et références de qualité des eaux destinées à la consommation humaine, définies par l'arrêté du 11 janvier 2007, pour l'ensemble des paramètres mesurés.“
Show all 17 official measurements
| Parameter | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 16 mg/L | ≤ 50 mg/L | within limit |
| Nitrite | <0,01 mg/L | ≤ 0.5 mg/L | within limit |
| Lead | 0.2 µg/L | ≤ 10 µg/L | within limit |
| Copper | 0.0066 mg(Cu)/L | ≤ 2 mg(Cu)/L | within limit |
| Nickel | 0.3 µg/L | ≤ 20 µg/L | within limit |
| Chromium | 0.06 µg/L | ≤ 50 µg/L | within limit |
| Uranium | 0.38 µg/L | ≤ 30 µg/L | within limit |
| Fluoride | 0.06 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 | 7.4 unité pH | 6.5–9 unité pH | within limit |
| Water hardness | 23.9 °f | no limit | informational |
| Electrical conductivity | 470 µS/cm | 200–1,100 µS/cm | within limit |
| Chloride | 9.2 mg/L | ≤ 250 mg/L | within limit |
| Sulphate | 13 mg/L | ≤ 250 mg/L | within limit |
| Turbidity | 0.1 NFU | ≤ 2 NFU | within limit |
Frequently asked questions
Is tap water in Troyes safe to drink?
Yes. The latest official test (24 June 2026) checked the tap water in Troyes and it passed every requirement.
How high are PFAS levels in Troyes's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at <0,005 µg/L. The EU limit is 0.1 µg/L, so this water is at 0 % of the limit. (below the EU limit)
How hard is the water in Troyes?
The water hardness in Troyes is 23.9 °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=10387
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 28 August 2026
- Supply networks
- TROYES RESEAU
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.