A curated and enriched dataset for log-transormed octanol/water partition coefficient of small molecules, intended for in silico model development. The dataset originates from the US EPA EPI Suite, filtered according to Zang et al. (2017). https://doi.org/10.1021/acs.jcim.6b00625. The curated logP dataset comprises 14207 compounds enriched with 777 molecular descriptors extracted from their 2D structure using EnalosMold2 KNIME node. More curated datasets are available via chemPharos: https://db.chempharos.eu/datasets/Datasets.zul