Votre eau est potable et respecte toutes les normes sanitaires en vigueur.
Analyse du 12/02/2026 · SUEZ EAU FRANCE GIEN · Réseau 045000430,045000431,045000933
L'eau du robinet à Gien en bref
La dernière analyse de l'eau du robinet à Gien, réalisée le 12/02/2026 (distributeur : SUEZ EAU FRANCE GIEN), montre une eau conforme aux limites et références de qualité suivies. Sur les 12 derniers mois analysés (depuis mars 2025), on compte 10 conformes et 2 avec un point de vigilance. La teneur en nitrates est modérée (27 mg/L pour une limite de 50 mg/L). Parmi les autres paramètres réglementés, le plus proche de sa limite est Nitrates + Nitrites (54 % de la limite). Dans le département Loiret (45), 89 % des communes ont une eau conforme aux limites réglementaires lors du dernier contrôle.
| Paramètre | Fév 2026 | Jan 2026 | Déc 2025 | Nov 2025 | Oct 2025 | Sep 2025 | Aoû 2025 | Jul 2025 | Jun 2025 | Mai 2025 | Avr 2025 | Mar 2025 | Fév 2025 | Jan 2025 | Déc 2024 | Nov 2024 | Oct 2024 | Sep 2024 | Aoû 2024 | Jul 2024 | Jun 2024 | Mai 2024 | Avr 2024 | Mar 2024 | Fév 2024 | Jan 2024 | Déc 2023 | Nov 2023 | Oct 2023 | Sep 2023 | Aoû 2023 | Jul 2023 | Jun 2023 | Mai 2023 | Avr 2023 | Mar 2023 | Fév 2023 | Jan 2023 | Déc 2022 | Nov 2022 | Oct 2022 | Sep 2022 | Aoû 2022 | Jul 2022 | Jun 2022 | Mai 2022 | Avr 2022 | Mar 2022 | Fév 2022 | Jan 2022 | Déc 2021 | Nov 2021 | Oct 2021 | Sep 2021 | Aoû 2021 | Jul 2021 | Jun 2021 | Mai 2021 | Avr 2021 | Mar 2021 | Fév 2021 | Jan 2021 |
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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 | Présence | 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 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 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) | 27 | 27 | 26 | 28 | 28 | 38 | 24 | 35 | 49 | 36 | 49 | 26 | 38 | 45 | 30 | 43 | 25 | 34 | 33 | 33 | 45 | 27 | 37 | 26 | 36 | 31 | 25 | 27 | 27 | 51 | 32 | 26 | 45 | 28 | 35 | 32 | 34 | 27 | 25 | 35 | 25 | 39 | 38 | 26 | 49 | 38 | 47 | 37 | 34 | 27 | 27 | 38 | 31 | 31 | 36 | 30 | 33 | 28 | 44 | 33 | 29 | 26 |
| Nitrites (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 |
| Nitrates + Nitrites (mg/L) | 0,54 | 0,54 | 0,46 | 0,52 | – | 0,76 | – | 0,26 | 0,98 | 0,3 | 0,98 | – | 0,52 | 0,9 | – | 0,86 | – | 0,68 | – | 0,28 | 0,9 | 0,28 | 0,7 | – | 0,72 | 0,62 | – | 0,54 | 0,54 | 1,02 | 0,34 | – | 0,9 | – | 0,7 | – | 0,68 | 0,54 | – | 0,7 | 0,5 | 0,78 | 0,4 | – | 0,98 | – | 0,94 | – | 0,68 | 0,52 | – | 0,76 | 0,62 | 0,62 | 0,48 | 0,6 | – | – | 0,88 | – | 0,5 | 0,52 |
| 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| pH (unité pH) | 7,5 | 7,4 | 7,73 | 7,62 | 7,71 | 7,5 | 7,51 | 7,65 | 7,38 | 7,64 | 7,57 | 7,61 | 7,64 | 7,37 | 7,79 | 7,64 | 7,76 | 7,79 | 7,71 | 7,6 | 7,48 | 7,76 | 7,3 | 7,67 | 7,5 | 7,5 | 7,64 | 7,68 | 7,67 | 7,7 | 7,83 | 7,61 | 7,37 | 7,68 | 7,6 | 7,62 | 7,51 | 7,66 | 7,71 | 7,5 | 7,75 | 7,73 | 7,64 | 7,64 | 7,8 | 7,67 | 7,36 | 7,71 | 7,8 | 7,69 | 7,9 | 7,66 | 7,58 | 7,63 | 7,68 | 7,6 | 7,42 | 7,59 | 7,5 | 7,72 | 7,43 | 7,71 |
| Turbidité (NFU) | 0,44 | 0,15 | 0,42 | 0,31 | 0,15 | 0,35 | 0,12 | 0,22 | 0,19 | 0,24 | 0,95 | 0,11 | 0,18 | 0,42 | 0 | 0,22 | 0,19 | 0,11 | 0,2 | 0,2 | 0,1 | 0,25 | 0,21 | 0,27 | 0,29 | 0,38 | 0 | 0,17 | 0 | 0,15 | 0 | 0,26 | 0,29 | 0 | 0,15 | 0,2 | 0,13 | 0,11 | 0,21 | 0,33 | 0 | 0 | 0,15 | 0,1 | 0,13 | 0,37 | 0,47 | 0 | 0,2 | 0,21 | 0 | 0,14 | 0 | 0,13 | 0 | 0,35 | 0,32 | 1,6 | 0,28 | 0,26 | 0,88 | 0,85 |
| Conductivité (µS/cm) | 459 | 420 | 425 | 379 | 491 | 424 | 396 | 313 | 467 | 408 | 400 | 413 | 410 | 553 | 389 | 344 | 365 | 415 | 403 | 332 | 430 | 407 | 493 | 421 | 391 | 438 | 338 | 399 | 398 | 407 | 358 | 393 | 401 | 394 | 409 | 389 | 432 | 398 | 400 | 394 | 394 | 380 | 396 | 394 | 398 | 397 | 504 | 395 | 321 | 401 | 398 | 401 | 491 | 404 | 401 | 392 | 473 | 408 | 395 | 407 | 437 | 390 |
| Température (°C) | 11,6 | 10,6 | 15,7 | 16,8 | 18,1 | 20,6 | 22,5 | 20,8 | 24,8 | 19,8 | 15,5 | 14 | 12,1 | 9,7 | 13,9 | 15,2 | 18,8 | 18,4 | 21,4 | 19,4 | 19,5 | 15,5 | 13,9 | 13,6 | 12,5 | 10,8 | 13,7 | 14,8 | 19,1 | 22,8 | 23,1 | 19,6 | 20,1 | 16 | 13,8 | 14 | 13,7 | 13,5 | 12,6 | 18,8 | 20,2 | 19,5 | 26,2 | 18,9 | 22,3 | 21,1 | 15,2 | 13,8 | 13,2 | 11,3 | 14 | 13,3 | 19,3 | 19,1 | 20,1 | 20,8 | 18,3 | 18,2 | 13,8 | 13 | 12,5 | 13,2 |
| Carbone organique (mg(C)/L) | 0,75 | 0,34 | 1,8 | 1,7 | – | 1,2 | – | 0 | 0,42 | 0 | 0,28 | – | 0 | 0,55 | – | 0,54 | – | 1 | – | 0 | 0,53 | 0,23 | 1,2 | – | 1 | 1,3 | – | 0 | – | 0,38 | – | – | 0,54 | – | 0,72 | – | 0,64 | – | – | 0,89 | – | 0,61 | – | – | 0,65 | – | 0,64 | – | 0,95 | – | – | 0,61 | – | 1,1 | – | 0,92 | – | – | 0,51 | – | 1,8 | – |
| Désinfection | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Chlore résiduel (mg(Cl2)/L) | 0,32 | 0,37 | 0,37 | 0,4 | 0,37 | 0,45 | 0,41 | 0,44 | 0,53 | 0,44 | 0,53 | 0,36 | 0,42 | 0,51 | 0,36 | 0,72 | 0,37 | 0,44 | 0,37 | 0,55 | 0,75 | 0,44 | 0,88 | 0,35 | 0,71 | 0,73 | 0,36 | 0,47 | 0,34 | 0,51 | 0,31 | 0,43 | 0,61 | 0,47 | 0,47 | 0,5 | 0,68 | 0,43 | 0,56 | 0,59 | 0,54 | 0,48 | 0,33 | 0,36 | 0,47 | 0,49 | 0,35 | 0,5 | 0,4 | 0,37 | 0,33 | 0,45 | 0,41 | 0,7 | 0,36 | 0,59 | 0,2 | 0,46 | 0,57 | 0,42 | 0,56 | 0,35 |
| Chlore total (mg(Cl2)/L) | 0,35 | 0,41 | 0,4 | 0,44 | 0,25 | 0,45 | 0,4 | 0,38 | 0,35 | 0,43 | 0,43 | 0,36 | 0,42 | 0,57 | 0,4 | 0,33 | 0,42 | 0,36 | 0,34 | 0,55 | 0,44 | 0,44 | 0,58 | 0,29 | 0,42 | 0,81 | 0,4 | 0,36 | 0,3 | 0 | 0,23 | 0,39 | 0,44 | 0,39 | 0,5 | 0,41 | 0,26 | 0,48 | 0,57 | 0,59 | 0,45 | 0,35 | 0,27 | 0,35 | 0,31 | 0,24 | 0,26 | 0,26 | 0,4 | 0,35 | 0,3 | 0,25 | 0,35 | 0,42 | 0,3 | 0,44 | 0,13 | 0,53 | 0,42 | 0,35 | 0,58 | 0,11 |
| Trihalométhanes (µg/L) | – | – | – | 1,5 | – | 34,16 | – | – | – | 0 | – | – | – | 16,4 | – | 12,5 | – | 1,87 | – | – | 50,3 | 0 | – | – | – | 11,08 | – | 1,21 | – | – | – | – | 12 | – | – | – | – | – | – | 19,6 | – | – | – | – | 11,8 | – | – | – | – | – | – | 7,9 | – | – | – | 15,98 | – | – | – | – | – | – |
| Métaux | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Plomb (µg/L) | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | 3 | 0 | – | 10 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | – | 0 | – | 0 | – | – | – | – | – | – | 0 | – | – | 0 | – | 0 | – | – | – | – | – | – | – |
| Nickel (µg/L) | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 |
| Cuivre (mg(Cu)/L) | – | – | – | – | – | – | – | – | – | – | – | – | – | 0,023 | – | 0,29 | 0,014 | – | 0,148 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0,016 | – | – | – | – | – | – | – | – | – | – | – | – | – | 0,031 | – | – | – | – | – | – | – | – | – | 0,063 |
| Cadmium (µg/L) | – | – | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | – | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 |
| Chrome (µg/L) | – | – | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | – | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 |
| Antimoine (µg/L) | – | – | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | – | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 |
| Fer (µg/L) | 16 | 0 | – | 0 | 0 | 0 | 0 | – | – | 0 | – | – | – | 0 | – | 0 | 0 | 0 | 0 | – | 0 | 0 | – | – | – | 24 | – | 0 | 0 | – | 0 | – | 0 | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | 0 | 0 | – | – | – | 0 | – | 0 | 0 | – | 35 | 0 | – | – | – | – | – | 0 |
| Pesticides | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pesticides (total) (µg/L) | – | – | – | 0,115 | 0 | 0,095 | 0 | – | – | 0,005 | – | – | – | 0,105 | – | 0,078 | 0 | 0,082 | 0 | – | 0,092 | 0 | – | – | – | 0,405 | 0 | 0,194 | 0 | – | 0 | – | 0,068 | – | – | – | – | 0 | – | 0,093 | 0 | – | 0 | – | 0,087 | – | – | – | – | 0 | – | 0,087 | 0 | – | 0 | 0,067 | – | – | – | – | – | 0 |
| Glyphosate (µg/L) | – | – | – | 0 | – | 0 | – | – | – | 0 | – | – | – | 0 | – | 0 | – | 0 | – | – | 0 | 0 | – | – | – | 0 | – | 0 | – | – | – | – | 0 | – | – | – | – | – | – | 0 | – | – | – | – | 0 | – | – | – | – | – | – | 0 | – | – | – | 0 | – | – | – | – | – | – |
| AMPA (µg/L) | – | – | – | 0 | – | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Glufosinate (µg/L) | – | – | – | 0 | – | 0 | – | – | – | 0 | – | – | – | 0 | – | 0 | – | 0 | – | – | 0 | 0 | – | – | – | 0 | – | 0 | – | – | – | – | 0 | – | – | – | – | – | – | 0 | – | – | – | – | 0 | – | – | – | – | – | – | 0 | – | – | – | 0 | – | – | – | – | – | – |
| Fosetyl (µg/L) | – | – | – | 0 | – | 0 | – | – | – | 0 | – | – | – | 0 | – | 0 | – | 0 | – | – | 0 | 0 | – | – | – | 0 | – | 0 | – | – | – | – | 0 | – | – | – | – | – | – | 0 | – | – | – | – | 0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Atrazine déséthyl (pire individuel) (µg/L) | – | – | – | 0,06 | – | 0,052 | – | – | – | 0,005 | – | – | – | 0,038 | – | 0,043 | – | 0,04 | – | – | 0,045 | – | – | – | – | 0,366 | – | 0,151 | – | – | – | – | 0,036 | – | – | – | – | – | – | 0,04 | – | – | – | – | 0,038 | – | – | – | – | – | – | 0,038 | – | – | – | 0,047 | – | – | – | – | – | – |
| HAP | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Benzo(a)pyrène (µg/L) | – | – | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | – | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 |
| HAP (4 subst.) (µg/L) | – | – | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | – | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0 | 0 | – | 0 | – | – | – | – | – | – | 0 | – | 0,0007 | 0 | – | 0 | – | – | – | – | – | – | 0 |