The WaterSupply.at app offers fast access to drinking water (portable water) sources close to your current location. It provides detailed information about water quality, a photo of the source, opening hours, etc. The app also offers means to improve water sources by adding new, and editing and rating existing entries. Under www.watersupply.at water sources can be later edited using the web interface.
Examples for drinking water sources are for instance: well, brook, alpine brook, water tap, spring.