Water Tank Maintenance

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You may notice that starting tomorrow at approximately 8:00am, some water will be discharged from the various water tanks around town.  This work is necessary to ensure that our customers continue to have the best quality water delivered to their home or business.

The Public Works staff is constantly working to balance the highest quality of our drinking water with the storage requirements for our peak customer demands, while still making sure there is also enough supply on-hand for emergency situations.  In addition, the impacts from the lower overall use from our customers during the current drought and the warmer weather have placed additional demands on our system.  These additional demands require us to manually circulate and flush our storage tanks, both of which would typically occur on their own under normal operating conditions and customer demands.

The Public Works Department will continue to monitor and maintain the City's water distribution system and update its customers as necessary.  If you have any questions about the work being performed, please contact the Public Works Department at (415) 508-2130.  Thank you for your patience and understanding as this necessary work is being performed.


What happens to the flushed

What happens to the flushed water?

Thank you for your comment.

Thank you for your comment. The flushed water is directed into the storm drain where it is treated before it flows to the Bay. Once in a while, conditions of our stored water necessitate us to manually force the drinking water system to circulate. Our water distribution system is designed to adequately circulate with normal customer demands however, as mentioned in the post above, the rationing has created a condition of abnormal demands and a lack of adequate circulation. We exercise all our available options of circulating our system before we resort to flushing some water completely out of our system and into the storm drain system. The City has considered how it can “capture” this flushed water, but the remote locations of these tanks and limited resources make it difficult to capture the water in a cost effective manner.