Drinking water quality in Châteaubourg
PFAS in drinking water
The total of 20 PFAS ("forever chemicals") was last measured at 0.0055 µg/L. The EU limit is 0.1 µg/L, so this water is at 5 % of the limit. (17 December 2025)
This source does not list each PFAS substance separately, so we cannot compare this water with the health limit.
Water report for Châteaubourg
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Official assessment
The authorities have not published an overall verdict for this water.
„Eau d'alimentation conforme aux limites réglementaires en vigueur, mais ne respectant pas la référence de qualité fixée pour le paramètre température en ce point d'échantillonage. Les analyses réalisées sur l'eau traitée ne mettent pas en évidence de traces de toxines algales.“
Show all 17 official measurements
| Parameter | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 13.2 mg/L | ≤ 50 mg/L | within limit |
| Nitrite | <0,02 mg/L | ≤ 0.5 mg/L | within limit |
| Lead | <1,0 µg/L | ≤ 10 µg/L | within limit |
| Copper | 0.0028 mg(Cu)/L | ≤ 2 mg(Cu)/L | within limit |
| Nickel | 3.7 µg/L | ≤ 20 µg/L | within limit |
| Chromium | <1,0 µg/L | ≤ 50 µg/L | within limit |
| Fluoride | 0.108 mg/L | ≤ 1.5 mg/L | within limit |
| Escherichia coli | 0 n/(100mL) | ≤ 0 mL) | within limit |
| Enterococci | 0 n/(100mL) | ≤ 0 mL) | within limit |
| Coliform bacteria | 0 n/(100mL) | ≤ 0 mL) | within limit |
| pH | 8 unité pH | 6.5–9 unité pH | within limit |
| Water hardness | 15.5 °f | no limit | informational |
| Electrical conductivity | 452 µS/cm | 200–1,100 µS/cm | within limit |
| Chloride | 67.7 mg/L | ≤ 250 mg/L | within limit |
| Sulphate | 34 mg/L | ≤ 250 mg/L | within limit |
| Iron | <20 µg/L | ≤ 200 µg/L | within limit |
| Turbidity | <0,20 NFU | ≤ 2 NFU | within limit |
Frequently asked questions
Is tap water in Châteaubourg safe to drink?
All the values shown here (25 June 2026) are within the legal limits, but the authorities have not published an overall verdict for this water.
How high are PFAS levels in Châteaubourg's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at 0.0055 µg/L. The EU limit is 0.1 µg/L, so this water is at 5 % of the limit. (below the EU limit)
How hard is the water in Châteaubourg?
The water hardness in Châteaubourg is 15.5 °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=35068
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 28 August 2026
- Supply networks
- EAU PORTES BRETAGNE_BILLERIE/GRANGE/PLESSIS BEUCHER_CHATEAUBOURG, EAU PORTES BRETAGNE_PLESSIS BEUCHER_CHATEAUGIRON
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.