Votre eau est potable, mais un ou plusieurs paramètres méritent une attention particulière.
Valeur proche de la limite réglementaire : Nitrates (98 % de la limite), Nitrates + Nitrites (99 % de la limite).
Analyse du 23/03/2026 · SIAEP CORLEE SAINT-VALLIER · Réseau 052001231
L'eau du robinet à Saint-Vallier-sur-Marne en bref
La dernière analyse de l'eau du robinet à Saint-Vallier-sur-Marne, réalisée le 23/03/2026 (distributeur : SIAEP CORLEE SAINT-VALLIER), montre une eau potable, avec toutefois un point de vigilance. Sur les 12 derniers mois analysés (depuis mars 2024), on compte 7 conformes, 4 avec un point de vigilance et 1 non conformes. La teneur en nitrates est élevée, proche de la limite (49 mg/L pour une limite de 50 mg/L). Parmi les autres paramètres réglementés, le plus proche de sa limite est Nitrates + Nitrites (99 % de la limite). Dans le département Haute-Marne (52), 86 % des communes ont une eau conforme aux limites réglementaires lors du dernier contrôle.
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| Bactériologie | |||||||||||||||||||||||||||||||||||||
| Escherichia coli (n/(100mL)) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | – | – | 0 | 0 | 0 | – | – | 0 | 0 | – | – | 0 | – | – | – | 0 | – |
| Entérocoques (n/(100mL)) | 0 | 0 | 0 | 0 | 0 | Présence | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | – | – | 0 | 0 | 0 | – | – | 0 | 0 | – | – | 0 | – | – | – | 0 | – |
| Coliformes (n/(100mL)) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | – | – | 0 | 0 | 0 | – | – | 0 | 6 | – | – | 4 | – | – | – | 0 | – |
| Inorganiques | |||||||||||||||||||||||||||||||||||||
| Nitrates (mg/L) | 49 | 48 | – | 33 | – | – | 38 | – | – | 46 | – | 40 | – | – | 37 | – | – | 43 | 34 | – | – | – | 38 | – | – | – | – | 41 | – | – | – | 40 | – | – | – | – | – |
| Nitrites (mg/L) | 0 | 0 | – | 0 | – | – | 0 | – | – | 0 | – | 0 | – | – | 0 | – | – | 0 | 0 | – | – | – | 0 | – | – | – | – | 0 | – | – | – | 0 | – | – | – | – | – |
| Nitrates + Nitrites (mg/L) | 0,99 | 0,96 | – | 0,67 | – | – | 0,77 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ammonium (mg/L) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | – | – | 0 | 0 | 0 | – | – | 0 | 0 | – | – | 0 | – | – | – | 0 | – |
| pH (unité pH) | 7,5 | 7,5 | 7,6 | 7,6 | 7,6 | 7,7 | 7,6 | 7,6 | 7,7 | 7,31 | 7,73 | 7,58 | 7,7 | 7,6 | 7,3 | 7,69 | 7,3 | 7,59 | 7,4 | 7,45 | – | – | 7,74 | 7,78 | 7,3 | – | – | 7,67 | 7,3 | – | – | 7,7 | – | – | – | 7,75 | – |
| Turbidité (NFU) | 0 | 0,2 | 0 | 0,4 | 0 | 0 | 0,2 | 0 | 0 | 0,44 | 0 | 0,21 | 0 | 0,14 | 0 | 0 | 0 | 0,1 | 0,2 | 0,11 | – | – | – | 0 | 0 | – | – | 0,25 | 0,75 | – | – | 0,18 | – | – | – | 0,14 | – |
| Conductivité (µS/cm) | 560 | 620 | 610 | 700 | 570 | 590 | 640 | 620 | 616 | 624 | 612 | 613 | 583 | 644 | 700 | 614 | 580 | 647 | 627 | 606 | – | – | 650 | 631 | 614 | – | – | 695 | 659 | – | – | 658 | – | – | – | 570 | – |
| Température (°C) | 11,5 | 8,2 | 9,6 | 12,8 | 15,7 | 16,9 | 10,9 | 9,8 | 14,2 | 12,3 | 13,1 | 10,1 | 16,8 | 17,2 | 23,6 | 18,9 | 8,8 | 10,2 | 9,3 | 20 | – | – | 11,2 | 15 | 12 | – | – | 10,3 | 15,1 | – | – | 15,4 | – | – | – | 7,6 | – |
| Carbone organique (mg(C)/L) | 1,3 | 1 | – | 0,7 | – | – | 0,6 | – | – | 0 | – | 0,59 | – | – | 0,72 | – | – | 18 | 50 | – | – | – | 0,7 | – | – | – | – | 5,9 | – | – | – | 4,3 | – | – | – | – | – |
| Désinfection | |||||||||||||||||||||||||||||||||||||
| Chlore résiduel (mg(Cl2)/L) | 0,06 | 0,19 | 0 | 0,17 | 0,07 | 0 | 0,24 | 0,13 | 0,07 | 0,06 | 0,06 | 0,04 | 0 | 0 | 0,03 | 0,05 | 0,25 | 0 | 0,14 | 0 | – | – | 0,25 | 0,17 | 0 | – | – | 0,03 | 0 | – | – | 0 | – | – | – | 0,05 | – |
| Chlore total (mg(Cl2)/L) | 0,11 | 0,28 | 0,06 | 0,19 | 0,14 | 0,09 | 0,34 | 0,17 | 0,1 | 0,1 | 0,09 | 0,09 | 0,03 | 0 | 0,1 | 0,09 | 0,35 | 0 | 0,23 | 0 | – | – | 0,31 | 0,21 | 0 | – | – | 0,15 | 0 | – | – | 0 | – | – | – | 0,1 | – |
| Trihalométhanes (µg/L) | 6,86 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 3,67 | – | – | – | – | – | – | – | – | 1,96 | – | – | – | – | – |
| Acides haloacétiques (µg/L) | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Métaux | |||||||||||||||||||||||||||||||||||||
| Plomb (µg/L) | 3,3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 7 | – | – | – | – | – |
| Nickel (µg/L) | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – |
| Cuivre (mg(Cu)/L) | 0,0114 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0,043 | – | – | – | – | – |
| Cadmium (µg/L) | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – |
| Chrome (µg/L) | 0,12 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – |
| Antimoine (µg/L) | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – |
| Fer (µg/L) | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – |
| Pesticides | |||||||||||||||||||||||||||||||||||||
| Pesticides (total) (µg/L) | 0,038 | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0,033 | 0,031 | 0,178 | 0,025 | – | 0,023 | 0,035 | 0,108 | 0,168 | 0,128 | 0,127 | 0,216 | 0,134 | 0,186 | 0,185 | 0,133 | 0,306 |
| Glyphosate (µg/L) | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | 0 | – | 0 | 0 | – | – | – | – | – | 0 | 0 |
| AMPA (µg/L) | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Glufosinate (µg/L) | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | 0 | – | 0 | 0 | – | – | – | – | – | 0 | 0 |
| Fosetyl (µg/L) | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Isoproturon (pire individuel) (µg/L) | 0,018 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0,095 | – | – | – | 0,028 | – | 0,124 | 0,083 | – | – | – | – | – | 0,099 | 0,234 |
| HAP | |||||||||||||||||||||||||||||||||||||
| Benzo(a)pyrène (µg/L) | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – |
| HAP (4 subst.) (µg/L) | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – |