Mesures :
Stations :
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
AFFLUENT RAU DU PIN À CHAUVE [04700004] | | | | | | | | | | | |
* A PORNIC [04700021] | | | | | | | | | | | |
* A PORNIC [04700020] | | | | | | | | | | | |
CANAL DE HAUTE PERCHE A CHAUMES EN RETZ [04700026] | | | | | | | | | | | |
CANAL DE HAUTE PERCHE à PORNIC [04149980] | | | | | | | | | | | |
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 LA PETITE TAILLEE à NOTRE-DAME-DE-MONTS [04150730] | | | | | | | | | | | |
ETIER DE L'ARCEAU A L'EPINE [04999001] | | | | | | | | | | | |
ETIER DE LA TAILLEE A BARRE-DE-MONTS [04702002] | | | | | | | | | | | |
ETIER DE L'ECLUSE A PORNIC [04700022] | | | | | | | | | | | |
ETIER DE MILLAC A BOURGNEUF-EN-RETZ [04701001] | | | | | | | | | | | |
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 PONT DE ANGELIER à SAINT-JEAN-DE-MONTS [04150750] | | | | | | | | | | | |
ETIER DU RIBANDON A NOIRMOUTIER-EN-L'ILE [04999003] | | | | | | | | | | | |
FALLERON à BOIS-DE-CENE [04150515] | | | | | | | | | | | |
FALLERON à MACHECOUL [04150512] | | | | | | | | | | | |
FALLERON à MACHECOUL [04150500] | | | | | | | | | | | |
FALLERON À MACHECOUL [04150510] | | | | | | | | | | | |
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] | | | | | | | | | | | |
PAS MOREAU A CHAUMES-EN-RETZ [04700012] | | | | | | | | | | | |
PLAN D'EAU à PORNIC [04150000] | | | | | | | | | | | |
PORNIC ETANG DU GROS CAILLOU [BS000449] | | | | | | | | | | | |
RAU DE HAUTE PERCHE A ARTHON-EN-RETZ [04700006] | | | | | | | | | | | |
RAU DE LA BABINIERE A LA GARNACHE [04702006] | | | | | | | | | | | |
RAU DE LA BACONNIERE A PORNIC [04700001] | | | | | | | | | | | |
RAU DE LA BIROCHERE A FALLERON [04701012] | | | | | | | | | | | |
RAU DE LA BLANCHARDIERE A GARNACHE [04701007] | | | | | | | | | | | |
RAU DE LA CREPELIERE A FALLERON [04701013] | | | | | | | | | | | |
RAU DE LA GARNACHE A LA GARNACHE [04702005] | | | | | | | | | | | |
RAU DE LA GAUTRELIERE A FALLERON/GRAND'LANDES [04701010] | | | | | | | | | | | |
RAU DE LA RINAIS A PORNIC [04700000] | | | | | | | | | | | |
RAU DE PRIGNY A MOUTIERS-EN-RETZ [04701002] | | | | | | | | | | | |
RAU DES GODINIERES à CHALLANS [04150690] | | | | | | | | | | | |
RAU DU BOIS RONDEAU A TOUVOIS [04701009] | | | | | | | | | | | |
RAU DU DOUAVIT A TOUVOIS [04701011] | | | | | | | | | | | |
RAU DU GRAND TAIZAN à SAINT-URBAIN [04150630] | | | | | | | | | | | |
RAU DU LOUP PENDU À FRESNAY-EN-RETZ [04701000] | | | | | | | | | | | |
RAU DU MARCHAIS A FROIDFOND [04701008] | | | | | | | | | | | |
RAU DU PIN À CHAUVÉ [04700003] | | | | | | | | | | | |
RAU DU PONT HABERT A CHALLANS [04702003] | | | | | | | | | | | |
RAU DU PONT HABERT A L'ETANG DE LA COUDRIE A CHALLANS [04702004] | | | | | | | | | | | |
RAU DU PORT A PORNIC [04700007] | | | | | | | | | | | |
RAU DU TAIZAN A SAINT-URBAIN [04702001] | | | | | | | | | | | |
RAU DU VAL SAINT MARTIN A PORNIC [04700008] | | | | | | | | | | | |
RAU LE TAIZAN A SAINT-URBAIN [04702007] | | | | | | | | | | | |
RAU LE TAIZAN OU DE LA FORET A GARNACHE [04702008] | | | | | | | | | | | |
RUISSEAU DE LA BABINIERE A LA GARNACHE [04702012] | | | | | | | | | | | |
RUISSEAU DE LA BRENIERE A CHAUVE [04700025] | | | | | | | | | | | |
RUISSEAU DE LA GARNACHE A LA GARNACHE [04702011] | | | | | | | | | | | |
RUISSEAU DE LA GRANDE AURIERE A CHAUVE [04700023] | | | | | | | | | | | |
RUISSEAU DE LA TROCHARDERIE A PORNIC [04700010] | | | | | | | | | | | |
RUISSEAU DES GRANDES MAISONS A PORNIC [04700011] | | | | | | | | | | | |
RUISSEAU DES RALLIERE A LA RIVE A CHALLANS [04702013] | | | | | | | | | | | |
RUISSEAU DES VIEUX MOULINS A CHAUVE [04700027] | | | | | | | | | | | |
RUISSEAU DES VIEUX MOULINS À CHAUVÉ [04700002] | | | | | | | | | | | |
RUISSEAU DU BIGNON A BOIS DE CENE [04701015] | | | | | | | | | | | |
RUISSEAU DU PIN A CHAUVE [04700024] | | | | | | | | | | | |
RUISSEAU DU PIN A CHAUVE [04700009] | | | | | | | | | | | |
RUISSEAU DU TAIZAN A LA GARNACHE [04702009] | | | | | | | | | | | |