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Water is perishable just like any food or drink. During the health crisis shutdown, many businesses closed or limited operations. That resulted in water becoming stagnant in pipes and plumbing systems.
When water sits in pipes, water heaters, and storage tanks, the chlorine gradually dissipates. Without that chlorine residual in the building’s water systems, microorganisms can grow, causing water quality problems. Some pathogenic microorganisms, notably Legionella, can proliferate inside of a building’s water system and cause serious disease. In addition, the protective film on the inside of the pipes can erode, leading to dissolution of metal pipes.
Fortunately, water quality can be improved with proper cleaning and flushing of the entire plumbing system when a building or facility is returned to service after any prolonged closure.
Click here for recommendations on restarting water usage after a shutdown.