Drinking water quality in Lacroix-Saint-Ouen
PFAS in drinking water
The total of 20 PFAS ("forever chemicals") was last measured at 0.014 µg/L. The EU limit is 0.1 µg/L, so this water is at 14 % of the limit. (15 January 2026)
This source does not list each PFAS substance separately, so we cannot compare this water with the health limit.
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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 17 official measurements
| Parameter | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 15 mg/L | ≤ 50 mg/L | within limit |
| Nitrite | <0,010 mg/L | ≤ 0.5 mg/L | within limit |
| Lead | 1.1 µg/L | ≤ 10 µg/L | within limit |
| Copper | 0.07 mg(Cu)/L | ≤ 2 mg(Cu)/L | within limit |
| Nickel | 2.7 µg/L | ≤ 20 µg/L | within limit |
| Chromium | <0,5 µg/L | ≤ 50 µg/L | within limit |
| Uranium | <10 µg/L | ≤ 30 µg/L | within limit |
| Fluoride | 0.343 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 | 7.4 unité pH | 6.5–9 unité pH | within limit |
| Water hardness | 41 °f | no limit | informational |
| Electrical conductivity | 840 µS/cm | 200–1,100 µS/cm | within limit |
| Chloride | 37.8 mg/L | ≤ 250 mg/L | within limit |
| Sulphate | 83.9 mg/L | ≤ 250 mg/L | within limit |
| Turbidity | <0,30 NFU | ≤ 2 NFU | within limit |
Frequently asked questions
Is tap water in Lacroix-Saint-Ouen safe to drink?
Yes. The latest official test (1 June 2026) checked the tap water in Lacroix-Saint-Ouen and it passed every requirement.
How high are PFAS levels in Lacroix-Saint-Ouen's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at 0.014 µg/L. The EU limit is 0.1 µg/L, so this water is at 14 % of the limit. (below the EU limit)
How hard is the water in Lacroix-Saint-Ouen?
The water hardness in Lacroix-Saint-Ouen is 41 °f (hard). 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=60338
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 28 August 2026
- Supply networks
- LA CROIX SAINT OUEN 1, ¤ LA CROIX SAINT OUEN 2
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.