2025-06-30 00:00:00 Find out if your home is at risk from heavy rain or flooding. You'll receive information on the risk situation for homes in North Rhine-Westphalia. Simply enter your address. The H₂OCH WATER APP for your home offers: - A free, address-specific risk assessment in seconds - Various heavy rain and flood scenarios, as well as an innovative, rotatable 3D view for risk visualization