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As We Return to Normal;
When things begin to get back to normal, water systems should follow proper startup and flushing procedures at locations that have been closed temporarily, or have a significant reduction in water use due to COVID-19.
Startup and Flushing Procedures for Municipal and Large Water Systems Facilities such as restaurants, schools, and businesses served by a municipal/large water system may be temporarily closed or have substantially reduced their water consumption due to the social distancing requirements. All public water systems have continued to monitor water quality in accordance with their water sampling plans including bacteria and all regulated water parameters. However, water may remain stagnant in the piping of closed facilities which can cause conditions that can increase the risk for growth of bacteria including Legionella, and create unsafe levels of lead or copper. To ensure that water is safe to drink when the facility is returned to normal service, it is recommended that all hot and cold taps be flushed through all points (faucets, showers, ice-machines, dishwashers) to reintroduce fresh water throughout the building. Hot water taps should be flushed until it reaches its maximum temperature, and cold water taps should be flushed until water runs cold, indicating fresh water from the main.
-Recommendation brought to you by NHDES (The State of New Hampshire Department of Environmental Services)