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There will be a minefield of things to consider when re-opening your business.  It’s best to start planning ahead now, to avoid any last minute hitches. We've put together some helpful tips to help you rienstate your water systems, so you can concentrate on getting your business up and running.

It is very important that before you re-open, your water systems are not put back straight to use, but flushed and monitored beforehand. We cannot stress this enough. If you are planning on opening up your business, you will need to plan at least 2 weeks in advance.

If you would like assistance with any of the tips below, you can fill in the form at the bottom of the page.


Be extra careful when turning on taps, showers and any other sources of water which have been left dormant and unused.  These could contain legionella and other bacteria which can cause respiratory diseases and even death in the vulnerable.

Water Systems

Water outlets on hot and cold water systems ordinarily should be used weekly to minimise stagnation and bacteria such as legionella.  If your water system has been left unused for longer, a flushing regime should be carried out.



Flushing, cleaning and disinfection should be considered for tanks, showers, calorifiers and complex pipework particularly in larger buildings and should be done in line with BS8858. Flush all of your toilets several times before they are used.


Run all taps individually, until the water is cold and looks clear, starting with the closest to where the water enters the building and work towards the furthest away.

Stored Water

Where water is stored, cisterns should be completely emptied and re-filled with fresh water from the incoming supply. 

Site Safety

You should continue to follow Government guidlines around social distancing, PPE and cleaning.