Un ou plusieurs paramètres dépassent les seuils réglementaires. Consultez les recommandations de votre mairie.
Analyse du 29/01/2026 · MAIRIE DE VARENNES CHANGY · Réseau 045000631
L'eau du robinet à Varennes-Changy en bref
La dernière analyse de l'eau du robinet à Varennes-Changy, réalisée le 29/01/2026 (distributeur : MAIRIE DE VARENNES CHANGY), fait état d'une non-conformité sur au moins un paramètre. Dépassement constaté pour : Atrazine déséthyl (pire individuel) (106 % de la limite). Sur les 12 derniers mois analysés (depuis décembre 2024), on compte 1 conformes, 6 avec un point de vigilance et 5 non conformes. La teneur en nitrates est modérée (37 mg/L pour une limite de 50 mg/L). Parmi les autres paramètres réglementés, le plus proche de sa limite est Nitrates + Nitrites (74 % de la limite). Dans le département Loiret (45), 89 % 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 | 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 | 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 | 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 | 2 | 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 | 0 | 0 | 0 | 0 |
| Inorganiques | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Nitrates (mg/L) | 37 | – | – | 36 | 36 | – | – | 34 | – | 37 | – | – | – | 38 | 34 | – | – | – | 34 | – | 31 | – | – | – | 27 | – | – | – | 30 | – | – | – | – | – | 28 | – | – | – | 29 | – | – | – | – | – | 32 | – | – | – | 30 | – | – | – |
| Nitrites (mg/L) | 0 | – | – | – | 0 | – | 0 | – | – | 0 | – | – | – | – | 0 | – | – | 0 | – | – | 0 | – | – | – | 0 | – | – | 0 | 0 | – | – | – | – | – | 0 | – | – | 0 | 0 | – | – | – | – | – | 0 | – | – | 0 | 0 | – | – | – |
| Nitrates + Nitrites (mg/L) | 0,74 | – | – | – | 0,72 | – | – | – | – | 0,74 | – | – | – | – | 0,68 | – | – | – | – | – | 0,62 | – | – | – | 0,54 | – | – | – | 0,6 | – | – | – | – | – | 0,56 | – | – | – | 0,58 | – | – | – | – | – | 0,64 | – | – | – | 0,6 | – | – | – |
| 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 | 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) | 7,4 | 7,58 | 7,55 | 7,46 | 7,5 | 7,48 | 7,67 | 7,42 | 7,57 | 7,66 | 7,53 | 7,59 | 7,48 | 7,57 | 7,5 | 7,65 | – | 7,6 | 7,6 | 7,54 | 7,69 | 7,55 | 7,53 | 7,57 | 7,59 | 7,57 | 7,56 | 7,55 | 7,64 | 7,58 | 7,52 | 7,55 | 7,32 | 7,57 | 7,54 | 7,57 | 7,62 | 7,51 | 7,4 | 7,55 | 7,58 | 7,63 | 7,6 | 7,56 | 7,59 | 7,71 | 7,54 | 7,51 | 7,6 | 7,49 | 7,52 | 7,55 |
| Turbidité (NFU) | 0,22 | 0,13 | 0,16 | 0,17 | 0,2 | 0 | 0,34 | 0 | 0 | 0,21 | 0,17 | 0 | 0,18 | 0,14 | 0,19 | 0,13 | – | 0,15 | 0 | 0 | 0,21 | 0 | 0,17 | 0,1 | 1,1 | 0,28 | 0 | 0,2 | 0 | 0,18 | 0,47 | 0,23 | 0 | 0 | 0,49 | 0,15 | 0 | 0,52 | 0 | 0 | 0,72 | 0,12 | 0 | 0,15 | 0,18 | 0 | 0,13 | 0,42 | 0,15 | 0,23 | 0,19 | 0,2 |
| Conductivité (µS/cm) | 497 | 505 | 469 | 460 | 498 | 493 | 509 | 552 | 480 | 497 | 497 | 470 | 500 | 489 | 492 | 496 | – | 501 | 527 | 498 | 476 | 497 | 484 | 487 | 490 | 484 | 479 | 484 | 474 | 459 | 512 | 473 | 475 | 469 | 475 | 467 | 495 | 496 | 479 | 482 | 498 | 500 | 483 | 483 | 486 | 468 | 520 | 490 | 493 | 529 | 496 | 488 |
| Température (°C) | 9,3 | 11,1 | 14,3 | 16,3 | 14,3 | 19,5 | 23,4 | 14,4 | 11,1 | 10,8 | 8,6 | 10,9 | 12,3 | 15,6 | 14,1 | 23,4 | – | 16,5 | 14,3 | 11 | 12,3 | 8 | 11,1 | 13,1 | 13,3 | 19,3 | 20 | 19,6 | 13 | 11,4 | 8,6 | 11,8 | 10,1 | 12,2 | 13,7 | 21 | 22,1 | 15,9 | 11,9 | 11,5 | 8,9 | 7,5 | 11,5 | 12 | 12,8 | 17,5 | 20,2 | 19,1 | 12,6 | 10,9 | 10,1 | 9,9 |
| Carbone organique (mg(C)/L) | 0 | – | – | – | 0,32 | – | – | – | – | 0,26 | – | – | – | – | 0 | – | – | – | – | – | 0,49 | – | – | – | 0,33 | – | – | – | 0,32 | – | – | – | – | – | 0,26 | – | – | – | 0,34 | – | – | – | – | – | 0,22 | – | – | – | 0,43 | – | – | – |
| Désinfection | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Chlore résiduel (mg(Cl2)/L) | 0,23 | 0,04 | 0,1 | 0,07 | 0,11 | 0,06 | 0,14 | 0,14 | 0,16 | 0,16 | 0,09 | 0,18 | 0,17 | 0,2 | 0,11 | 0,09 | – | 0,18 | 0,23 | 0,24 | 0,17 | 0,03 | 0,06 | 0,13 | 0,17 | 0,2 | 0,13 | 0,18 | 0,23 | 0,17 | 0,11 | 0,2 | 0,13 | 0,07 | 0 | 0,2 | 0,1 | 0 | 0 | 0 | 0,57 | 0,41 | 0,25 | 0,17 | 0,11 | 0,12 | 0,12 | 0,04 | 0,1 | 0,09 | 0,05 | 0,11 |
| Chlore total (mg(Cl2)/L) | 0,26 | 0,04 | 0,1 | 0,09 | 0,14 | 0,06 | 0,14 | 0,16 | 0,18 | 0,2 | 0,1 | 0,2 | 0,17 | 0,22 | 0,13 | 0,13 | – | 0,2 | 0,28 | 0,27 | 0,24 | 0,06 | 0,1 | 0,16 | 0,18 | 0,22 | 0,13 | 0,2 | 0,23 | 0,2 | 0,12 | 0,2 | 0,16 | 0,07 | 0,03 | 0,2 | 0,1 | 0,03 | 0 | 0 | 0,63 | 0,46 | 0,27 | 0,24 | 0,12 | 0,16 | 0,15 | 0,06 | 0,1 | 0,09 | 0,06 | 0,12 |
| Trihalométhanes (µg/L) | – | – | – | – | – | – | – | – | – | 2,22 | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | 2,42 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 1,85 | – | – | – |
| Métaux | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Plomb (µg/L) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 13 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Nickel (µg/L) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 17 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Cuivre (mg(Cu)/L) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0,31 | – | – | – | – | – | – | – | – | – | 0,49 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Cadmium (µg/L) | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – |
| Chrome (µg/L) | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – |
| Antimoine (µg/L) | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – |
| Fer (µg/L) | 0 | – | – | – | – | – | 0 | – | – | 0 | – | – | – | – | – | – | – | 0 | – | – | 0 | – | – | – | – | – | – | 0 | 0 | – | – | – | – | – | – | – | – | 0 | 0 | – | – | – | – | – | – | – | – | 0 | 0 | – | – | – |
| Pesticides | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pesticides (total) (µg/L) | 0,19 | 0,196 | 0,228 | 0,182 | 0,195 | 0,169 | 0,196 | 0,15 | 0,213 | 0,236 | 0,169 | 0,175 | 0,165 | 0,222 | 0,211 | 0,119 | 0,21 | 0,123 | 0,164 | 0,13 | 0,48 | 0,15 | 0,12 | 0,144 | 0,111 | 0,149 | 0,094 | 0,218 | 0,18 | 0,15 | 0,157 | 0,154 | 0,222 | 0,223 | 0,201 | 0,18 | 0,164 | 0,211 | 0,214 | 0,21 | 0,309 | 0,216 | 0,188 | 0,241 | 0,259 | 0,224 | 0,247 | 0,217 | 0,159 | 0,165 | 0,235 | 0,154 |
| Glyphosate (µg/L) | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – |
| Glufosinate (µg/L) | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – |
| Fosetyl (µg/L) | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Atrazine déséthyl (pire individuel) (µg/L) | 0,106 | 0,119 | 0,134 | 0,095 | 0,099 | 0,088 | 0,096 | 0,078 | 0,12 | 0,108 | 0,083 | 0,098 | 0,085 | 0,116 | 0,11 | 0,068 | 0,119 | 0,073 | 0,098 | 0,081 | 0,291 | 0,092 | 0,088 | 0,083 | 0,069 | 0,081 | 0,066 | 0,148 | 0,095 | 0,087 | 0,093 | 0,08 | 0,137 | 0,124 | 0,108 | 0,094 | 0,078 | 0,109 | 0,117 | 0,123 | 0,189 | 0,107 | 0,097 | 0,133 | 0,127 | 0,114 | 0,123 | 0,113 | 0,094 | 0,093 | 0,119 | 0,077 |
| HAP | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Benzo(a)pyrène (µg/L) | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – |
| HAP (4 subst.) (µg/L) | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | 0 | – | – | – | – |