Drinking water quality in Noyal-Châtillon-sur-Seiche
PFAS in drinking water
No PFAS results have been published for Noyal-Châtillon-sur-Seiche yet. Testing has been required across the EU since January 2026. We will show the values here as soon as they come out.
"Not published" does not mean "not present". Without test results, no one can say how much PFAS is in this water.
Water report for Noyal-Châtillon-sur-Seiche
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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. A noter cependant en ce point d'éch antillonnage, la présence d'une flore revivifiable anormalement élevée en l'absence de chlore libre résiduel (objectif souhaitable : 0,1 mg/ l en tout point du réseau). L'exploitant a été informé de cette situat ion dès connaissance de celle-ci par mon service, pour vérifications e t actions correctives d'usage.“
Values to watch
These values are at least halfway to their legal limit, or over it.
| Parameter | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 35.3 mg/L | ≤ 50 mg/L | within limit |
Show all 17 official measurements
| Parameter | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 35.3 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 | 0.0156 mg(Cu)/L | ≤ 2 mg(Cu)/L | within limit |
| Nickel | <1,0 µg/L | ≤ 20 µg/L | within limit |
| Cadmium | <0,025 µg/L | ≤ 5 µg/L | within limit |
| Chromium | <1,0 µg/L | ≤ 50 µg/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 | 8.3 unité pH | 6.5–9 unité pH | within limit |
| Water hardness | 15.7 °f | no limit | informational |
| Electrical conductivity | 437 µS/cm | 200–1,100 µS/cm | within limit |
| Chloride | 47.3 mg/L | ≤ 250 mg/L | within limit |
| Sulphate | 20 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 Noyal-Châtillon-sur-Seiche safe to drink?
Yes. The latest official test (4 June 2026) checked the tap water in Noyal-Châtillon-sur-Seiche and it passed every requirement.
How high are PFAS levels in Noyal-Châtillon-sur-Seiche's drinking water?
No PFAS results have been published for Noyal-Châtillon-sur-Seiche yet. Testing has been required across the EU since January 2026. We will show the values here as soon as they come out.
How hard is the water in Noyal-Châtillon-sur-Seiche?
The water hardness in Noyal-Châtillon-sur-Seiche is 15.7 °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=35206
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 28 August 2026
- Supply networks
- CEBR_CHAMP FLEURY_BRUZ, CEBR_VILLEJEAN/ROPHEMEL/MEZIERES/AVA_RENNES
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.