|
Mesures :
Stations :
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
| AUBANCE A BRISSAC-LOIRE-AUBANCE [04650001] | | | | | | | | | | | |
| AUBANCE A BRISSAC-LOIRE-AUBANCE [04650002] | | | | | | | | | | | |
| AUBANCE A CHEMILLE [04652005] | | | | | | | | | | | |
| AUBANCE À LOUERRE [04133600] | | | | | | | | | | | |
| AUBANCE à MOZE-SUR-LOUET [04133100] | | | | | | | | | | | |
| AUBANCE A MURS-ERIGNE [04650003] | | | | | | | | | | | |
| AUBANCE à MURS-ERIGNE [04133075] | | | | | | | | | | | |
| AUBANCE A SAINT-MELAINE-SUR-AUBANCE [04650004] | | | | | | | | | | | |
| AUBANCE à SAINT-SATURNIN-SUR-LOIRE [04133800] | | | | | | | | | | | |
| AUBANCE à SOULAINES-SUR-AUBANCE [04133050] | | | | | | | | | | | |
| DOUET A DOUE EN ANJOU [04651000] | | | | | | | | | | | |
| DOUET A DOUE-EN-ANJOU [04651006] | | | | | | | | | | | |
| HYROME A CHANZEAUX [04652010] | | | | | | | | | | | |
| HYROME à CHEMILLE [04133955] | | | | | | | | | | | |
| HYROME A CHEMILLE EN ANJOU [04615013] | | | | | | | | | | | |
| HYROME à SAINT-LAMBERT-DU-LATTAY [04133960] | | | | | | | | | | | |
| JAVOINEAU À THOUARCE [04652002] | | | | | | | | | | | |
| JEU à CHAUDEFONDS-SUR-LAYON [04134200] | | | | | | | | | | | |
| LA MALAISERIE A VALANJOU [04652016] | | | | | | | | | | | |
| LAYON A AUBIGNE [04651007] | | | | | | | | | | | |
| LAYON A BEAULIEU SUR LAYON [04652006] | | | | | | | | | | | |
| LAYON A BEAULIEU-SUR-LAYON [04652011] | | | | | | | | | | | |
| LAYON A BELLEVIGNE-EN-LAYON [04652008] | | | | | | | | | | | |
| LAYON A CHALONNES SUR LOIRE [04652009] | | | | | | | | | | | |
| LAYON à CHAUDEFONDS-SUR-LAYON [04134010] | | | | | | | | | | | |
| LAYON À CLERE-SUR-LAYON [04133200] | | | | | | | | | | | |
| LAYON A DOUE-EN-ANJOU [04651008] | | | | | | | | | | | |
| LAYON A DOUE-EN-ANJOU [04651002] | | | | | | | | | | | |
| LAYON A MACHELLES [04652012] | | | | | | | | | | | |
| LAYON à MARTIGNE-BRIAND [04133550] | | | | | | | | | | | |
| LAYON à RABLAY-SUR-LAYON [04133850] | | | | | | | | | | | |
| LAYON à SAINT-GEORGES-SUR-LAYON [04133500] | | | | | | | | | | | |
| LAYON à SAINT-LAMBERT-DU-LATTAY [04134000] | | | | | | | | | | | |
| LAYON à SAINT-LAMBERT-DU-LATTAY [04133950] | | | | | | | | | | | |
| LAYON A TERRANJOU [04615014] | | | | | | | | | | | |
| LAYON A TERRANJOU [04652007] | | | | | | | | | | | |
| LAYON à THOUARCE [04133700] | | | | | | | | | | | |
| LAYON DOUE-EN-ANJOU [04651004] | | | | | | | | | | | |
| LE JEU AMONT A SAINTE-CHRISTINE (CHEMILLE-EN-ANJOU) [04652013] | | | | | | | | | | | |
| LE JURET A SAINTE-CHRISTINE (CHEMILLE-EN-ANJOU) [04652014] | | | | | | | | | | | |
| LE LIVIER A LYS-HAUT-LAYON [04651003] | | | | | | | | | | | |
| L'HYROME A SAINT-GEORGES-DES-GARDES (CHEMILLE-EN-ANJOU) [04652015] | | | | | | | | | | | |
| LOUET À ROCHEFORT-SUR-LOIRE [04650000] | | | | | | | | | | | |
| LYS à AUBIGNE-SUR-LAYON [04133650] | | | | | | | | | | | |
| LYS A VIHIERS [04651009] | | | | | | | | | | | |
| RAU D'ARMANGE À CHALONNES-SUR-LOIRE [04652001] | | | | | | | | | | | |
| RAU DE DREUILLE À CHAMP-SUR-LAYON [04652000] | | | | | | | | | | | |
| RAU DE L'ARCISON À FAVERAYE-MACHELLES [04652003] | | | | | | | | | | | |
| RAU DE LA VILAINE À MARTIGNE-BRIAND [04652004] | | | | | | | | | | | |
Respect (moyenne annuelle inférieure à l'objectif)
Non respect 
Données non disponibles