Drinking water quality in Dammarie-les-Lys
PFAS in drinking water
The total of 20 PFAS ("forever chemicals") was last measured at 0.003 µg/L. The EU limit is 0.1 µg/L, so this water is at 3 % of the limit. (15 September 2025)
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 15 official measurements
| Parameter | Value | Limit | Status |
|---|---|---|---|
| Nitrate | 12.5 mg/L | ≤ 50 mg/L | within limit |
| Nitrite | <0,01 mg/L | ≤ 0.5 mg/L | within limit |
| Cadmium | <1 µg/L | ≤ 5 µg/L | within limit |
| Chromium | <5 µg/L | ≤ 50 µg/L | within limit |
| Fluoride | 0.11 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 | 7.2 unité pH | 6.5–9 unité pH | within limit |
| Water hardness | 22.75 °f | no limit | informational |
| Electrical conductivity | 655 µS/cm | 200–1,100 µS/cm | within limit |
| Chloride | 53 mg/L | ≤ 250 mg/L | within limit |
| Sulphate | 19.4 mg/L | ≤ 250 mg/L | within limit |
| Iron | 20 µg/L | ≤ 200 µg/L | within limit |
| Turbidity | 0.11 NFU | ≤ 2 NFU | within limit |
Frequently asked questions
Is tap water in Dammarie-les-Lys safe to drink?
Yes. The latest official test (5 June 2026) checked the tap water in Dammarie-les-Lys and it passed every requirement.
How high are PFAS levels in Dammarie-les-Lys's drinking water?
The total of 20 PFAS ("forever chemicals") was last measured at 0.003 µg/L. The EU limit is 0.1 µg/L, so this water is at 3 % of the limit. (below the EU limit)
How hard is the water in Dammarie-les-Lys?
The water hardness in Dammarie-les-Lys is 22.75 °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=77152
- License
- Licence Ouverte / Open Licence (Etalab)
- Retrieved
- 28 August 2026
- Supply networks
- DAMMARIE LES LYS B - CDA MVS, DAMMARIE LES LYS A - CDA MVS
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.