Mesures :
Stations :
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
CANAL DE HAUTE PERCHE à PORNIC [04149950] | | | | | | | | | | | |
CANAL DE HAUTE PERCHE à PORNIC [04150050] | | | | | | | | | | | |
CANAL DU PERRIER OU ETIER GDE TAILLEE À SAINT-JEAN-DE-MONTS [04150700] | | | | | | | | | | | |
COLLET à BOURGNEUF-EN-RETZ [04150520] | | | | | | | | | | | |
ETIER DE LA LOUIPPE AU PORT DE LA LOUIPPE [04701014] | | | | | | | | | | | |
ETIER DE L'ARCEAU A L'EPINE [04999001] | | | | | | | | | | | |
ETIER DE LA TAILLEE A BARRE-DE-MONTS [04702002] | | | | | | | | | | | |
ETIER DE SALLERTAINE A BEAUVOIR-SUR-MER [04702000] | | | | | | | | | | | |
ETIER DES BROCHETS A BOUIN [04701004] | | | | | | | | | | | |
ETIER DES CHAMPS A BOUIN [04701005] | | | | | | | | | | | |
ETIER DES COEFS A L'EPINE [04999000] | | | | | | | | | | | |
ETIER DU DAIN À SAINT-GERVAIS [04150560] | | | | | | | | | | | |
ETIER DU MOULIN A NOIRMOUTIER-EN-L'ILE [04999002] | | | | | | | | | | | |
ETIER DU RIBANDON A NOIRMOUTIER-EN-L'ILE [04999003] | | | | | | | | | | | |
FALLERON à BOIS-DE-CENE [04150515] | | | | | | | | | | | |
FALLERON à MACHECOUL [04150500] | | | | | | | | | | | |
FALLERON A MOUTIERS-EN-RETZ [04701003] | | | | | | | | | | | |
FALLERON à TOUVOIS [04150200] | | | | | | | | | | | |
GRAND ETIER DE SALLERTAINE à SAINT-URBAIN [04150640] | | | | | | | | | | | |
GRAND ETIER DE SALLERTAINE à SALLERTAINE [04150600] | | | | | | | | | | | |
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] | | | | | | | | | | | |