Water Main Flushing

Juan de Fuca Water Main Flushing Program

The Capital Regional District's (CRD) Infrastructure & Water Services Water Main Flushing Program services the Westshore communities of Colwood, Langford, Metchosin, View Royal, Sooke, parts of Highlands and electoral area East Sooke.

Electoral Area Flushing Program

In addition to providing flushing services for Westshore communities, the CRD also provides flushing services for select electoral area communities. 

Why We Flush 

Water main flushing is a technique used to clean water distribution pipes and reservoirs of sediments that builds up over time. This is accomplished by strategic manipulation of fire hydrants and valves to force water at high velocities through the system from previously flushed sections of pipe.

The flushing program provides the following system benefits:

• Improved water quality
• Improved system hydraulic capacity
• Improved system operation by identifying weak or problem areas
• Improved/restored chlorine residual
• Increased life of system components such as pressure reducing valves, line valves, pumps, etc.

What to Expect During Flushing 

During the flushing process, low pressure and discoloured water are common.  Any discolouration is temporary and is not a health hazard. CRD staff collect and test water samples throughout the entire distribution system to ensure that the water is safe for consumption. 

IMPORTANT NOTE: If you notice any discolouration in your water after flushing, run your cold water taps until water runs clear, this should only be done after crews have finished flushing in your area. Please take caution and ensure that water is clear before drinking, showering, doing laundry or dishes.  

Resources for People With Weakened Immune Systems

Individuals with a weakened immune system should reference the following HealthLinkBC information:

• Weakened Immune Systems [PDF/236KB]
• Weakened Digestive System [PDF/181KB]

How We Notify the Public About Flushing

Our primary way of notifying the public about flushing is through our website and social media. Flushing alerts  and in community signage or notification may also be used. 

How to Connect with Other Municipalities Regarding Flushing

Water main flushing is also conducted annually by six other drinking water distributors in Greater Victoria. For more information about Non-CRD flushing programs, see contact information below.