Drinking water quality in Val d'Erdre-Auxence
PFAS in drinking water
The total of 20 PFAS ("forever chemicals") was last measured at 0.0053 µg/L. The EU limit is 0.1 µg/L, so this water is at 5 % of the limit. (19 February 2026)
This source does not list each PFAS substance separately, so we cannot compare this water with the health limit.
Water report for Val d'Erdre-Auxence
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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.“
Show all 19 official measurements
| Parameter | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 13 mg/L | ≤ 50 mg/L | within limit |
| Nitrite | <0,010 mg/L | ≤ 0.5 mg/L | within limit |
| Lead | <0,1 µg/L | ≤ 10 µg/L | within limit |
| Copper | 0.0128 mg(Cu)/L | ≤ 2 mg(Cu)/L | within limit |
| Nickel | 0.9 µg/L | ≤ 20 µg/L | within limit |
| Chromium | 0.3 µg/L | ≤ 50 µg/L | within limit |
| Uranium | 1.2 µg/L | ≤ 30 µg/L | within limit |
| Fluoride | 0.064 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 | 8 unité pH | 6.5–9 unité pH | within limit |
| Water hardness | 19.8 °f | no limit | informational |
| Electrical conductivity | 495 µS/cm | 200–1,100 µS/cm | within limit |
| Chloride | 26.9 mg/L | ≤ 250 mg/L | within limit |
| Sulphate | 69.5 mg/L | ≤ 250 mg/L | within limit |
| Sodium | 18.7 mg/L | ≤ 200 mg/L | within limit |
| Iron | 2 µg/L | ≤ 200 µg/L | within limit |
| Turbidity | <0,30 NFU | ≤ 2 NFU | within limit |
Frequently asked questions
Is tap water in Val d'Erdre-Auxence safe to drink?
Yes. The latest official test (22 June 2026) checked the tap water in Val d'Erdre-Auxence and it passed every requirement.
How high are PFAS levels in Val d'Erdre-Auxence's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at 0.0053 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 Val d'Erdre-Auxence?
The water hardness in Val d'Erdre-Auxence is 19.8 °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=49183
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 28 August 2026
- Supply networks
- LA CORNUAILLE, VILLEMOISAN, LE LOUROUX BECONNAIS
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.