*This information is intended to serve as a general informational resource. All building owners and operators should develop and implement a water management program tailored to the specifics for each individual onsite water system.
With buildings shut down or infrequently used during the COVID-19 pandemic, water is not circulating through plumbing systems and has become stagnant. As a result, disinfectants in the water dissipate, potentially allowing microorganisms, bacteria and pathogens to grow within plumbing systems. Prolonged building water stagnation can temporarily influence lead, copper and Legionella issues, which can potentially reduce the quality of water in the building’s plumbing system.
As building re-openings occur, business owners, operators and facility managers will need to take necessary steps to ensure the safety of their onsite water systems. This information provides guidance and best practices for flushing plumbing systems in buildings that have been closed or infrequently used as a result of the COVID-19 pandemic. It includes information and recommendations from the federal Centers for Disease Control and Prevention and the American Water Works Association
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