Blazevic et al., 2020 Water Dataset description We provide here the dataset used by Blazevic et al. (2020) published in Water (DOI). The data was acquired at the Ploemeur fractured rock observatory, which is part of the French network of hydrogeological observatories H+ (http://hplus.ore.fr/en/).The data may be downloaded from the links below by creating a login and a password on the H+ database at http://hplus.ore.fr/en/database/acces-database.The full dataset of the Ploemeur fractured rock observatory is available from https://hplus.ore.fr/en/ploemeur/. Download links ERTFiles related to Electrical Resistivity Tomography can be downloaded here Water contentWater content data can be downloaded here SeismicFiles related to seismic can be downloaded here