Law on the Prevention and Combating of Infectious Human Diseases (Infektionsschutzgesetz - IfSG)

Workplace Ordinance (Arbeitsstättenverordnung - ArbStättV)

Regulation on the Quality of Water for Human Consumption (German Drinking Water Regulation -- TrinkW 2001)

Technical Criteria for Installations inside Buildings Conveying Water for Human Consumption – German version of EN 806-1…4

Protection of Drinking Water Against Contamination in Drinking Water Installations and General Requirements on Safety Precautions Against Backflowrelated Contaminations of Drinking Water - Technical Criteria of the DVGW; German version of EN 1717:2000

Technical Criteria for Drinking Water Supply Systems (TRWI) – Technical Criteria of the DVGW (Deutsche Vereinigung des Gas- und Wasserfaches -- German Technical Association for Gas and Water)

Hygiene in drinking water supply systems – requirements on planning, execution, operation and maintenance

Drinking water heating systems and drinking water pipe systems, technical measures to reduce legionella growth; planning, installation, operation and renewal of drinking water supply systems

Dimensions of circulation systems in central drinking water heating systems

Ordinance on Hospital Hygiene and Infection Prevention Recommendations on Hand Hygiene

German Sanitation, Heating and Air Conditioning Federation: procedure sheets and technical details for hydraulic pressure testing, start-up and hygiene