Mesures :
Stations :
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
RAU DE GREE à MESANGER [04135850] | | | | | | | | | | | |
LE CANAL DU MARAIS (GREE) A ANCENIS [04135900] | | | | | | | | | | | |
DONNEAU à PANNECE [04136330] | | | | | | | | | | | |
HAVRE à OUDON [04136400] | | | | | | | | | | | |
LA LOIRE À ANCENIS [04661000] | | | | | | | | | | | |
L'AUBINIERE A ANCENIS [04661001] | | | | | | | | | | | |
LE SAUGERES A ROCHE-BLANCHE [04661003] | | | | | | | | | | | |
L'AUBINIERE A ANCENIS [04661013] | | | | | | | | | | | |
RUISSEAU DE SAUGERE A LA ROUXIERE [04661015] | | | | | | | | | | | |
RUISSEAU DE LA MORLEYERE A BELLIGNE [04661016] | | | | | | | | | | | |
LE DONNEAU A MOUZEIL [04662000] | | | | | | | | | | | |
LE BEUSSE A COUFFE [04662004] | | | | | | | | | | | |
BEUSSE A MESANGER [04662009] | | | | | | | | | | | |
LOGE AU MOINE A COUFFE [04662010] | | | | | | | | | | | |
ANCENIS ILE DELAGE [BS000001] | | | | | | | | | | | |
SAINT GÉRÉON LAC BLEU (SEC) [BS001943] | | | | | | | | | | | |