Mesures :
Stations :
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
CANAL DE HAUTE PERCHE à PORNIC [04149950] | | | | | | | | | | | |
ETIER DU MOULIN A NOIRMOUTIER-EN-L'ILE [04999002] | | | | | | | | | | | |
FALLERON à BOIS-DE-CENE [04150515] | | | | | | | | | | | |
FALLERON à MACHECOUL [04150500] | | | | | | | | | | | |
FALLERON A MOUTIERS-EN-RETZ [04701003] | | | | | | | | | | | |
GRAND ETIER DE SALLERTAINE à SAINT-URBAIN [04150640] | | | | | | | | | | | |
PORNIC ETANG DU GROS CAILLOU [BS000449] | | | | | | | | | | | |
RAU DE PRIGNY A MOUTIERS-EN-RETZ [04701002] | | | | | | | | | | | |
RAU DES GODINIERES à CHALLANS [04150690] | | | | | | | | | | | |
RAU DU LOUP PENDU À FRESNAY-EN-RETZ [04701000] | | | | | | | | | | | |
RAU DU PONT HABERT A CHALLANS [04702003] | | | | | | | | | | | |
RAU DU TAIZAN A SAINT-URBAIN [04702001] | | | | | | | | | | | |
RUISSEAU DU BIGNON A BOIS DE CENE [04701015] | | | | | | | | | | | |
RUISSEAU DU TAIZAN A LA GARNACHE [04702009] | | | | | | | | | | | |