COVID-19 Guidance for Legionella and Building Water System Closures
The focus of this guidance is to reduce Legionella growth and other pathogen and corrosion concerns that occur when there is a large drop in building water use. The guidance focuses on potable water systems inside larger buildings with complex plumbing and the information is general in nature. Each building is different and will require different actions based on its plumbing systems, use patterns, and source of water supply.
View the document here.