Hydro EDA is a web-based full integrated set of tools for data analysis and processing. It follows a direct approach of allowing the data to reveal its underlying structure and model. Hydro EDA is graphical in nature with quantitative techniques. Hydro EDA, awhole set of processing tools and data mangement contained in a very intuitive Web-based user interface, makes Hydro EDA unique for hydrology, soil and water quality analysts and experts. Amongs its deliverables, HBEDA offers signal processing of analytical time-domain data, noise and spike removal; trend, cyclical and seasonal understanding; statistical analysis; graphical forecast and a huge amount of graphical data representation and table outputs. All integrated in a solid system with demonstrated capability of huge database management, easy of administering and friendly for users with just one objective: Revealing Facts From Data. HBEDA categorizesmeasurements, research projects and users in a flexible structure oriented to what the analyst needs.