By Staff Reports
(Kauai)– The Department of Water (DOW) reminds resort properties and large commercial facilities to conduct
a flushing of their plumbing fixtures on property at least once a week and prior to reopening for business. The
flushing protocol is also recommended to schools and businesses that have significantly reduced the water
demand within their systems during COVID-19 related closures or extended property vacancies.
A significant decrease in water demand; which includes the discontinued use and maintenance of water fixtures
within a building can cause stagnation; furthermore, existing sediment in pipes can be stirred up in the water
upon returning to normal water use. The flushing process will help to prevent stagnation, clear out existing
sediment and help to ensure chlorine residuals (which checks microbial growth) are maintained within their
facilities.
Current maintenance of water fixtures should also include the proper care of cooling and air conditioning
systems and frequently maintaining and flushing the property’s hot water systems to avoid unwanted microbial
growth; such as Legionella, during extended periods of non-use. Customers are also advised to check the
backflow preventer on their property to confirm that it is functioning properly.
DOW closely monitors chlorine residuals levels on its water systems and conducts routine flushing protocols to
ensure water quality continues to be safe and remains in compliance with state and federal regulations for
drinking water.
For additional guidance on the development of a long-term Water Management Program, customers may visit
the Centers for Disease and Prevention (CDC) website at www.cdc.gov or by