This compendium comments on the thematically related standard requirements of DIN EN 1717 and DIN 1988-100 for the protection of drinking water and provides important supplementary information to understand and correctly interpret the complex European and national regulations. Images and diagrams illustrate the standard text, while numerous examples enable practical implementation. The book serves as a useful guide for the SHK trade, planners, manufacturers, and technical and master schools, significantly facilitating work with both standards. To optimally ensure the quality of drinking water in accordance with the Drinking Water Ordinance up to the withdrawal points or safety devices, the guidelines and notes in this practical commentary are indispensable.