"I work in the Basque Water Agency (URA Agencia Vasca del Agua, Vitoria-Gasteiz Spain) as a flood prevention technician. My work includes several fields, mainly report filing regarding authorizations in flood-risk areas, coordinating risk management plans and carrying out new studies on floodplains. Before GeoHECRAS, some of the calculations we performed with HEC‑RAS models were relatively laborious, as we often must calculate the hydraulic effect of occupying a floodable terrain. Sometimes this involves modifying the geometry of a cross section. Some other times, we face the need of make changes in the mapping. With GeoHECRAS, these changes in the geometry are very fast and we feel more secure when checking out the results. It is difficult to calculate the time we save with GeoHECRAS, which also depends a lot on the type of task. However, I would say that the average working time has been reduced by 30%. The GeoHECRAS functions that we use most are the editing and creation of geometry and the generation of flooded surfaces (Flood Map). I’d recommend using GeoHECRAS to anyone. Also, must say that CivilGEO’s technical support has always been effective when we have faced a problem. It would be very useful if the tool “Flood Map” could allow to directly elaborate draft rasters and speed of the current."